Olena-patches October 2012

olena-patches@lrde.epita.fr

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olena-2.0-96-gdbc709f Improve value::intsub class.

by Guillaume Lazzara

* mln/value/intsub.hh: Improve class. * tests/value/intsub.cc: Add more tests. --- milena/ChangeLog | 8 + milena/mln/value/intsub.hh | 399 +++++++++++++++++------------------------- milena/tests/value/intsub.cc | 31 ++++ 3 files changed, 204 insertions(+), 234 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 1a5f831..3d191ab 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,13 @@ 2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + Improve value::intsub class. + + * mln/value/intsub.hh: Improve class. + + * tests/value/intsub.cc: Add more tests. + +2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + * mln/value/builtin/ops.hh: Handle all the comparison operators. 2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> diff --git a/milena/mln/value/intsub.hh b/milena/mln/value/intsub.hh index fc269a8..897215c 100644 --- a/milena/mln/value/intsub.hh +++ b/milena/mln/value/intsub.hh @@ -33,10 +33,12 @@ # include <cstdlib> # include <iostream> # include <sstream> +# include <algorithm> +# include <mln/core/routine/ops.hh> +# include <mln/value/ops.hh> +# include <mln/value/builtin/ops.hh> # include <mln/value/internal/value_like.hh> -# include <mln/value/internal/encoding.hh> -# include <mln/value/internal/limits.hh> -# include <mln/value/concept/integer.hh> +# include <mln/value/concept/floating.hh> # include <mln/value/iota.hh> # include <mln/value/prev.hh> # include <mln/value/succ.hh> @@ -65,13 +67,13 @@ namespace mln { private: typedef mln::value::intsub<n> self_; - typedef typename mln::value::internal::encoding_signed_<32>::ret enc_; + typedef int enc_; public: enum constants_ { dim = 1, nbits = 32, - card = mln_value_card_from_(32/n) // FIXME: Really? + card = mln_value_card_from_(32) / n }; typedef trait::value::nature::integer nature; @@ -103,12 +105,12 @@ namespace mln { template <unsigned n> - class intsub - : public Integer< intsub<n> >, - public internal::value_like_< int, // Equivalent. - typename internal::encoding_signed_<32>::ret, // Enc. - int, // Interoperation. - intsub<n> > // Exact. + class intsub : + public value::Floating< intsub<n> >, + public value::internal::value_like_< float, // Equivalent. + int, // Enc. + float, // Interoperation. + intsub<n> > // Exact. { public: intsub(); @@ -116,9 +118,13 @@ namespace mln /// Construct an intsub with value : \p int_part + 1 / \p denominator. intsub(int int_part, unsigned denominator); intsub(int i); + intsub(float i); + intsub(double i); intsub<n>& operator=(const intsub<n>& rhs); intsub<n>& operator=(int i); + intsub<n>& operator=(float i); + intsub<n>& operator=(double i); /// Is an integer value. bool is_integer() const; @@ -143,92 +149,61 @@ namespace mln /*!\internal Construct a intsub using an encoding value. */ static intsub<n> make_from_enc_(int enc); + /// Conversion to a float. + operator float() const; + /// Unary operator minus. intsub<n> operator-() const; + /// Explicit conversion towards equivalent type. + float to_equiv() const; + + /// Explicit conversion towards interoperation type. + float to_interop() const; }; // Safety template <> struct intsub<0>; -// rounding + // rounding + /// Re-implementation of the floor function. \sa math::floor template <unsigned n> - intsub<n> floor(const intsub<n>& i); + intsub<n> floor_(const intsub<n>& i); + /// Re-implementation of the ceil function. \sa math::ceil template <unsigned n> - intsub<n> ceil(const intsub<n>& i); - + intsub<n> ceil_(const intsub<n>& i); -// comparison + // Other ops (overloads of generic ones) + /// Re-implementation of the min function. \sa math::min template <unsigned n> - bool operator==(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename V> - bool operator==(const intsub<n>& l, const V& r); - template <unsigned n> - bool operator<=(const intsub<n>& l, const intsub<n>& r); - template <unsigned n> - bool operator!=(const intsub<n>& l, const intsub<n>& r); + intsub<n> min_(const intsub<n>& u1, const intsub<n>& u2); + /// Re-implementation of the max function. \sa math::max template <unsigned n> - bool operator>=(const intsub<n>& l, const intsub<n>& r); - template <unsigned n> - bool operator>(const intsub<n>& l, const intsub<n>& r); - template <unsigned n> - bool operator<(const intsub<n>& l, const intsub<n>& r); - -// arithmetics + intsub<n> max_(const intsub<n>& u1, const intsub<n>& u2); + /// Specific implementation of the mean function. template <unsigned n> - intsub<n> operator+(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - intsub<n> operator+(const intsub<n>& l, const O& r); - template <typename O, unsigned n> - intsub<n> operator+(const O& r, const intsub<n>& l); - template <unsigned n> - void operator+=(intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - void operator+=(intsub<n>& l, const O& r); + intsub<2*n> mean(const intsub<n>& v1, const intsub<n>& v2); + /// Specific implementation of the mean function. template <unsigned n> - intsub<n> operator-(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - intsub<n> operator-(const intsub<n>& l, const O& r); - template <typename O, unsigned n> - intsub<n> operator-(const O& r, const intsub<n>& l); - template <unsigned n> - void operator-=(intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - void operator-=(intsub<n>& l, const O& r); + intsub<4*n> mean(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4); + /// Specific implementation of the median function. template <unsigned n> - intsub<n> operator*(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - intsub<n> operator*(const intsub<n>& l, const O& r); - template <typename O, unsigned n> - intsub<n> operator*(const O& r, const intsub<n>& l); - template <unsigned n> - void operator*=(intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - void operator*=(intsub<n>& l, const O& r); - -// other ops + intsub<2*n> median(const intsub<n>& v1, const intsub<n>& v2); + /// Specific implementation of the median function. template <unsigned n> - intsub<n> min(const intsub<n>& u1, const intsub<n>& u2); - template <unsigned n> - intsub<n> max(const intsub<n>& u1, const intsub<n>& u2); - template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2); - template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2, - const intsub<n>& v3, const intsub<n>& v4); + intsub<4*n> median(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4); -// << - template <unsigned n> - std::ostream& - operator<<(std::ostream& ostr, const intsub<n>& i); + // Iota template <unsigned n> struct iota<intsub<n> > @@ -236,6 +211,11 @@ namespace mln static intsub<n> value(); }; + typedef intsub<1> intsub1; + typedef intsub<2> intsub2; + typedef intsub<4> intsub4; + + } // end of namespace mln::value extern const value::intsub<2> half; @@ -243,7 +223,6 @@ namespace mln # ifndef MLN_INCLUDE_ONLY - // half # ifndef MLN_WO_GLOBAL_VARS @@ -258,6 +237,27 @@ namespace mln namespace value { + namespace internal + { + + /// \internal Test if (f * v) is an integer; an error less than + /// epsilon is ok + bool + mult_is_integer(float f, int v) + { + float a = f * v; + float b = float(unsigned(a)); + const float epsilon = 0.00001f; + + if (a > b) + return a - b < epsilon; + else + return b - a < epsilon; + } + + } // end of namespace mln::value::internal + + template <unsigned n> intsub<n>::intsub() { @@ -276,12 +276,24 @@ namespace mln } template <unsigned n> - intsub<n>::intsub(int int_part, unsigned denominator) + intsub<n>::intsub(float i) { - // FIXME: better error handling ? - if (denominator > n) - std::abort(); + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + } + template <unsigned n> + intsub<n>::intsub(double i) + { + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + } + + + template <unsigned n> + intsub<n>::intsub(int int_part, unsigned denominator) + { + mln_precondition(denominator <= n); this->v_ = int_part * n + denominator / n; } @@ -303,6 +315,25 @@ namespace mln } template <unsigned n> + intsub<n>& + intsub<n>::operator=(float i) + { + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + return *this; + } + + template <unsigned n> + intsub<n>& + intsub<n>::operator=(double i) + { + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + return *this; + } + + + template <unsigned n> intsub<n> intsub<n>::make_from_enc_(int enc) { intsub<n> i; @@ -321,10 +352,8 @@ namespace mln template <unsigned m> intsub<n>::operator intsub<m>() { - // FIXME: better error handling ? - if (n > m) - std::abort(); - return intsub<m>::make_from_enc_(this->v_ * (m / n)); + mln_precondition(n <= m); + return intsub<m>::make_from_enc_(this->v_ * m / n); } template <unsigned n> @@ -349,215 +378,117 @@ namespace mln } template <unsigned n> - intsub<n> - intsub<n>::operator-() const + intsub<n>::operator float() const { - return intsub<n>::make_from_enc_(this->v_ * -1); + return to_equiv(); } - // Iota template <unsigned n> intsub<n> - iota<intsub<n> >::value() - { - return intsub<n>(0,n); - } - - -// rounding - - - template <unsigned n> - intsub<n> floor(const intsub<n>& i) - { - return i.is_integer() ? i : value::prev(i); - } - - template <unsigned n> - intsub<n> ceil(const intsub<n>& i) - { - return i.is_integer() ? i : value::succ(i); - } - - - -// comparison - - template <unsigned n> - bool operator==(const intsub<n>& l, const intsub<n>& r) - { - return l.to_enc() == r.to_enc(); - } - - template <unsigned n> - bool operator==(const intsub<n>& l, const int& r) - { - return l == intsub<n>(r); - } - - template <unsigned n> - bool operator<=(const intsub<n>& l, const intsub<n>& r) - { - return l.to_enc() <= r.to_enc(); - } - - template <unsigned n> - bool operator!=(const intsub<n>& l, const intsub<n>& r) - { - return ! (l == r); - } - - template <unsigned n> - bool operator>=(const intsub<n>& l, const intsub<n>& r) - { - return r <= l; - } - - template <unsigned n> - bool operator>(const intsub<n>& l, const intsub<n>& r) - { - return ! (l <= r); - } - - template <unsigned n> - bool operator<(const intsub<n>& l, const intsub<n>& r) - { - return r > l; - } - - -// arithmetics - - template <unsigned n> - intsub<n> operator+(const intsub<n>& l, const intsub<n>& r) - { - return intsub<n>::make_from_enc_(l.to_enc() + r.to_enc()); - } - - template <unsigned n> - intsub<n> operator+(const intsub<n>& l, int r) - { - return l + intsub<n>(r); - } - - template <unsigned n> - intsub<n> operator+(int l, const intsub<n>& r) - { - return r + l; - } - - template <unsigned n> - void operator+=(intsub<n>& l, const intsub<n>& r) + intsub<n>::operator-() const { - l = l + r; + return intsub<n>::make_from_enc_(this->v_ * -1); } template <unsigned n> - void operator+=(intsub<n>& l, int r) + float + intsub<n>::to_equiv() const { - l = l + intsub<n>(r); + return float(this->v_) / float(n); } template <unsigned n> - intsub<n> operator-(const intsub<n>& l, const intsub<n>& r) + float + intsub<n>::to_interop() const { - return intsub<n>::make_from_enc_(l.to_enc() - r.to_enc()); + return float(this->v_) / float(n); } - template <unsigned n> - intsub<n> operator-(const intsub<n>& l, int r) - { - return l - intsub<n>(r); - } + // Iota template <unsigned n> - intsub<n> operator-(int l, const intsub<n>& r) + intsub<n> + iota<intsub<n> >::value() { - return - r + l; + return intsub<n>(0,n); } - template <unsigned n> - void operator-=(intsub<n>& l, const intsub<n>& r) - { - l = l - r; - } - template <unsigned n> - void operator-=(intsub<n>& l, int r) - { - l = l - intsub<n>(r); - } + // rounding template <unsigned n> - intsub<n> operator*(const intsub<n>& l, const intsub<n>& r) + intsub<n> floor_(const intsub<n>& i) { - return intsub<n>::make_from_enc_(l.to_enc() * r.to_enc() / n); + return i.is_integer() ? i : value::prev(i); } template <unsigned n> - intsub<n> operator*(const intsub<n>& l, int r) + intsub<n> ceil_(const intsub<n>& i) { - return l * intsub<n>(r); + return i.is_integer() ? i : value::succ(i); } - template <unsigned n> - intsub<n> operator*(int l, const intsub<n>& r) - { - return r * l; - } - template <unsigned n> - void operator*=(intsub<n>& l, const intsub<n>& r) - { - l = l * r; - } + // Other operators (overloads of generic ones) template <unsigned n> - void operator*=(intsub<n>& l, int r) + intsub<n> min_(const intsub<n>& v1, const intsub<n>& v2) { - l = l * intsub<n>(r); + return intsub<n>::make_from_enc_(v1.to_enc() < v2.to_enc() ? v1.to_enc() : v2.to_enc()); } - -// other ops - template <unsigned n> - intsub<n> min(const intsub<n>& v1, const intsub<n>& v2) + intsub<n> max_(const intsub<n>& v1, const intsub<n>& v2) { - return intsub<n>::make_from_enc_(v1.to_enc() < v2.to_enc() ? v1.to_enc() : v2.to_enc()); + return intsub<n>::make_from_enc_(v1.to_enc() > v2.to_enc() ? v1.to_enc() : v2.to_enc()); } + // FIXME: Make use of mean_() overloads with math::mean. Require + // to fix an issue with the return type which differs according to + // the overload : with 2 (intsub<2*n>) or 4 (intsub<4*n>) + // arguments. template <unsigned n> - intsub<n> max(const intsub<n>& v1, const intsub<n>& v2) + intsub<2*n> mean(const intsub<n>& v1, const intsub<n>& v2) { - return intsub<n>::make_from_enc_(v1.to_enc() > v2.to_enc() ? v1.to_enc() : v2.to_enc()); + return intsub<2*n>::make_from_enc_((v1.to_enc() + v2.to_enc())); } + // FIXME: Make use of mean_() overloads with math::mean. Require + // to fix an issue with the return type which differs according to + // the overload : with 2 (intsub<2*n>) or 4 (intsub<4*n>) + // arguments. template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2) + intsub<4*n> mean(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4) { - return intsub<n>::make_from_enc_((v1.to_enc() + v2.to_enc()) / 2); + return mean_(mean_(v1, v2), mean_(v3, v4)); } + // FIXME: Make use of median_() overloads with + // math::median. Require to fix an issue with the return type + // which differs according to the overload : with 2 (intsub<2*n>) + // or 4 (intsub<4*n>) arguments. template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2, - const intsub<n>& v3, const intsub<n>& v4) + intsub<2*n> median(const intsub<n>& v1, const intsub<n>& v2) { - return intsub<n>::make_from_enc_((v1.to_enc() + v2.to_enc() - + v3.to_enc() + v4.to_enc()) / 4); + return mean(v1, v2); } - -// << - + // FIXME: Make use of median_() overloads with + // math::median. Require to fix an issue with the return type + // which differs according to the overload : with 2 (intsub<2*n>) + // or 4 (intsub<4*n>) arguments. template <unsigned n> - std::ostream& - operator<<(std::ostream& ostr, const intsub<n>& i) + intsub<4*n> median(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4) { - if (i.is_integer()) - return ostr << i.to_int(); - else - return ostr << floor(i).to_int() << ".5"; + std::vector<intsub<n> > vec(4); + vec.push_back(v1); + vec.push_back(v2); + vec.push_back(v3); + vec.push_back(v4); + std::sort(vec.begin(), vec.end()); + return mean(vec[1], vec[2]); } # endif // ! MLN_INCLUDE_ONLY diff --git a/milena/tests/value/intsub.cc b/milena/tests/value/intsub.cc index e324fe3..82a87fb 100644 --- a/milena/tests/value/intsub.cc +++ b/milena/tests/value/intsub.cc @@ -26,12 +26,16 @@ /// \file #include <cassert> +#include <mln/math/mean.hh> #include <mln/value/intsub.hh> #include <mln/value/inc.hh> #include <mln/value/dec.hh> #include <mln/value/succ.hh> #include <mln/value/prev.hh> #include <mln/math/mean.hh> +#include <mln/math/min.hh> +#include <mln/math/ceil.hh> +#include <mln/math/floor.hh> int main() { @@ -48,6 +52,10 @@ int main() // (2.5 + 0.5) / 2 == 1.5 mln_assertion(mean(i, half) == 1 + half); + // (2.5 + 2) / 2 = 2.25 + intsub<4> res = mean(i, intsub<2>(2)); + mln_assertion(res == 2.25); + // i == 3 inc(i); mln_assertion(i == intsub<2>(3)); @@ -75,4 +83,27 @@ int main() inc(j); mln_assertion(j == 6 + quarter); + // k = 10.25 + intsub<8> k(10.25); + mln_assertion(k == 10 + quarter); + + // sum(j,k,2) == 18.5 + mln_assertion(j + k + 2 == 18.5); + + // min(i,l) == 2.5 + intsub<2> l(2.5); + mln_assertion(mln::math::min(i, l) == 2.5); + + // mean(6,2,2.5,3) = 3.375 + mln_assertion(mean(i, intsub<2>(2), l, intsub<2>(3)) == 3.375); + + // ceil(2.5) + mln_assertion(math::ceil(l) == 3); + mln_assertion(math::floor(l) == 2); + + // median(6,2,2.5,3) = 2.75 + mln_assertion(median(i, intsub<2>(2), l, intsub<2>(3)) == 2.75); + + // median(6,2) = 4 + mln_assertion(median(i, intsub<2>(2)) == 4); } -- 1.7.2.5

11 years, 7 months

olena-2.0-37-gc709c07 Improve value::intsub class.

by Guillaume Lazzara

* mln/value/intsub.hh: Improve class. * tests/value/intsub.cc: Add more tests. --- milena/ChangeLog | 8 + milena/mln/value/intsub.hh | 399 +++++++++++++++++------------------------- milena/tests/value/intsub.cc | 31 ++++ 3 files changed, 204 insertions(+), 234 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index b7e9506..c9a02a4 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,13 @@ 2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + Improve value::intsub class. + + * mln/value/intsub.hh: Improve class. + + * tests/value/intsub.cc: Add more tests. + +2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + * mln/value/builtin/ops.hh: Handle all the comparison operators. 2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> diff --git a/milena/mln/value/intsub.hh b/milena/mln/value/intsub.hh index fc269a8..897215c 100644 --- a/milena/mln/value/intsub.hh +++ b/milena/mln/value/intsub.hh @@ -33,10 +33,12 @@ # include <cstdlib> # include <iostream> # include <sstream> +# include <algorithm> +# include <mln/core/routine/ops.hh> +# include <mln/value/ops.hh> +# include <mln/value/builtin/ops.hh> # include <mln/value/internal/value_like.hh> -# include <mln/value/internal/encoding.hh> -# include <mln/value/internal/limits.hh> -# include <mln/value/concept/integer.hh> +# include <mln/value/concept/floating.hh> # include <mln/value/iota.hh> # include <mln/value/prev.hh> # include <mln/value/succ.hh> @@ -65,13 +67,13 @@ namespace mln { private: typedef mln::value::intsub<n> self_; - typedef typename mln::value::internal::encoding_signed_<32>::ret enc_; + typedef int enc_; public: enum constants_ { dim = 1, nbits = 32, - card = mln_value_card_from_(32/n) // FIXME: Really? + card = mln_value_card_from_(32) / n }; typedef trait::value::nature::integer nature; @@ -103,12 +105,12 @@ namespace mln { template <unsigned n> - class intsub - : public Integer< intsub<n> >, - public internal::value_like_< int, // Equivalent. - typename internal::encoding_signed_<32>::ret, // Enc. - int, // Interoperation. - intsub<n> > // Exact. + class intsub : + public value::Floating< intsub<n> >, + public value::internal::value_like_< float, // Equivalent. + int, // Enc. + float, // Interoperation. + intsub<n> > // Exact. { public: intsub(); @@ -116,9 +118,13 @@ namespace mln /// Construct an intsub with value : \p int_part + 1 / \p denominator. intsub(int int_part, unsigned denominator); intsub(int i); + intsub(float i); + intsub(double i); intsub<n>& operator=(const intsub<n>& rhs); intsub<n>& operator=(int i); + intsub<n>& operator=(float i); + intsub<n>& operator=(double i); /// Is an integer value. bool is_integer() const; @@ -143,92 +149,61 @@ namespace mln /*!\internal Construct a intsub using an encoding value. */ static intsub<n> make_from_enc_(int enc); + /// Conversion to a float. + operator float() const; + /// Unary operator minus. intsub<n> operator-() const; + /// Explicit conversion towards equivalent type. + float to_equiv() const; + + /// Explicit conversion towards interoperation type. + float to_interop() const; }; // Safety template <> struct intsub<0>; -// rounding + // rounding + /// Re-implementation of the floor function. \sa math::floor template <unsigned n> - intsub<n> floor(const intsub<n>& i); + intsub<n> floor_(const intsub<n>& i); + /// Re-implementation of the ceil function. \sa math::ceil template <unsigned n> - intsub<n> ceil(const intsub<n>& i); - + intsub<n> ceil_(const intsub<n>& i); -// comparison + // Other ops (overloads of generic ones) + /// Re-implementation of the min function. \sa math::min template <unsigned n> - bool operator==(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename V> - bool operator==(const intsub<n>& l, const V& r); - template <unsigned n> - bool operator<=(const intsub<n>& l, const intsub<n>& r); - template <unsigned n> - bool operator!=(const intsub<n>& l, const intsub<n>& r); + intsub<n> min_(const intsub<n>& u1, const intsub<n>& u2); + /// Re-implementation of the max function. \sa math::max template <unsigned n> - bool operator>=(const intsub<n>& l, const intsub<n>& r); - template <unsigned n> - bool operator>(const intsub<n>& l, const intsub<n>& r); - template <unsigned n> - bool operator<(const intsub<n>& l, const intsub<n>& r); - -// arithmetics + intsub<n> max_(const intsub<n>& u1, const intsub<n>& u2); + /// Specific implementation of the mean function. template <unsigned n> - intsub<n> operator+(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - intsub<n> operator+(const intsub<n>& l, const O& r); - template <typename O, unsigned n> - intsub<n> operator+(const O& r, const intsub<n>& l); - template <unsigned n> - void operator+=(intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - void operator+=(intsub<n>& l, const O& r); + intsub<2*n> mean(const intsub<n>& v1, const intsub<n>& v2); + /// Specific implementation of the mean function. template <unsigned n> - intsub<n> operator-(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - intsub<n> operator-(const intsub<n>& l, const O& r); - template <typename O, unsigned n> - intsub<n> operator-(const O& r, const intsub<n>& l); - template <unsigned n> - void operator-=(intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - void operator-=(intsub<n>& l, const O& r); + intsub<4*n> mean(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4); + /// Specific implementation of the median function. template <unsigned n> - intsub<n> operator*(const intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - intsub<n> operator*(const intsub<n>& l, const O& r); - template <typename O, unsigned n> - intsub<n> operator*(const O& r, const intsub<n>& l); - template <unsigned n> - void operator*=(intsub<n>& l, const intsub<n>& r); - template <unsigned n, typename O> - void operator*=(intsub<n>& l, const O& r); - -// other ops + intsub<2*n> median(const intsub<n>& v1, const intsub<n>& v2); + /// Specific implementation of the median function. template <unsigned n> - intsub<n> min(const intsub<n>& u1, const intsub<n>& u2); - template <unsigned n> - intsub<n> max(const intsub<n>& u1, const intsub<n>& u2); - template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2); - template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2, - const intsub<n>& v3, const intsub<n>& v4); + intsub<4*n> median(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4); -// << - template <unsigned n> - std::ostream& - operator<<(std::ostream& ostr, const intsub<n>& i); + // Iota template <unsigned n> struct iota<intsub<n> > @@ -236,6 +211,11 @@ namespace mln static intsub<n> value(); }; + typedef intsub<1> intsub1; + typedef intsub<2> intsub2; + typedef intsub<4> intsub4; + + } // end of namespace mln::value extern const value::intsub<2> half; @@ -243,7 +223,6 @@ namespace mln # ifndef MLN_INCLUDE_ONLY - // half # ifndef MLN_WO_GLOBAL_VARS @@ -258,6 +237,27 @@ namespace mln namespace value { + namespace internal + { + + /// \internal Test if (f * v) is an integer; an error less than + /// epsilon is ok + bool + mult_is_integer(float f, int v) + { + float a = f * v; + float b = float(unsigned(a)); + const float epsilon = 0.00001f; + + if (a > b) + return a - b < epsilon; + else + return b - a < epsilon; + } + + } // end of namespace mln::value::internal + + template <unsigned n> intsub<n>::intsub() { @@ -276,12 +276,24 @@ namespace mln } template <unsigned n> - intsub<n>::intsub(int int_part, unsigned denominator) + intsub<n>::intsub(float i) { - // FIXME: better error handling ? - if (denominator > n) - std::abort(); + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + } + template <unsigned n> + intsub<n>::intsub(double i) + { + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + } + + + template <unsigned n> + intsub<n>::intsub(int int_part, unsigned denominator) + { + mln_precondition(denominator <= n); this->v_ = int_part * n + denominator / n; } @@ -303,6 +315,25 @@ namespace mln } template <unsigned n> + intsub<n>& + intsub<n>::operator=(float i) + { + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + return *this; + } + + template <unsigned n> + intsub<n>& + intsub<n>::operator=(double i) + { + mln_precondition(internal::mult_is_integer(i, n)); + this->v_ = n * i; + return *this; + } + + + template <unsigned n> intsub<n> intsub<n>::make_from_enc_(int enc) { intsub<n> i; @@ -321,10 +352,8 @@ namespace mln template <unsigned m> intsub<n>::operator intsub<m>() { - // FIXME: better error handling ? - if (n > m) - std::abort(); - return intsub<m>::make_from_enc_(this->v_ * (m / n)); + mln_precondition(n <= m); + return intsub<m>::make_from_enc_(this->v_ * m / n); } template <unsigned n> @@ -349,215 +378,117 @@ namespace mln } template <unsigned n> - intsub<n> - intsub<n>::operator-() const + intsub<n>::operator float() const { - return intsub<n>::make_from_enc_(this->v_ * -1); + return to_equiv(); } - // Iota template <unsigned n> intsub<n> - iota<intsub<n> >::value() - { - return intsub<n>(0,n); - } - - -// rounding - - - template <unsigned n> - intsub<n> floor(const intsub<n>& i) - { - return i.is_integer() ? i : value::prev(i); - } - - template <unsigned n> - intsub<n> ceil(const intsub<n>& i) - { - return i.is_integer() ? i : value::succ(i); - } - - - -// comparison - - template <unsigned n> - bool operator==(const intsub<n>& l, const intsub<n>& r) - { - return l.to_enc() == r.to_enc(); - } - - template <unsigned n> - bool operator==(const intsub<n>& l, const int& r) - { - return l == intsub<n>(r); - } - - template <unsigned n> - bool operator<=(const intsub<n>& l, const intsub<n>& r) - { - return l.to_enc() <= r.to_enc(); - } - - template <unsigned n> - bool operator!=(const intsub<n>& l, const intsub<n>& r) - { - return ! (l == r); - } - - template <unsigned n> - bool operator>=(const intsub<n>& l, const intsub<n>& r) - { - return r <= l; - } - - template <unsigned n> - bool operator>(const intsub<n>& l, const intsub<n>& r) - { - return ! (l <= r); - } - - template <unsigned n> - bool operator<(const intsub<n>& l, const intsub<n>& r) - { - return r > l; - } - - -// arithmetics - - template <unsigned n> - intsub<n> operator+(const intsub<n>& l, const intsub<n>& r) - { - return intsub<n>::make_from_enc_(l.to_enc() + r.to_enc()); - } - - template <unsigned n> - intsub<n> operator+(const intsub<n>& l, int r) - { - return l + intsub<n>(r); - } - - template <unsigned n> - intsub<n> operator+(int l, const intsub<n>& r) - { - return r + l; - } - - template <unsigned n> - void operator+=(intsub<n>& l, const intsub<n>& r) + intsub<n>::operator-() const { - l = l + r; + return intsub<n>::make_from_enc_(this->v_ * -1); } template <unsigned n> - void operator+=(intsub<n>& l, int r) + float + intsub<n>::to_equiv() const { - l = l + intsub<n>(r); + return float(this->v_) / float(n); } template <unsigned n> - intsub<n> operator-(const intsub<n>& l, const intsub<n>& r) + float + intsub<n>::to_interop() const { - return intsub<n>::make_from_enc_(l.to_enc() - r.to_enc()); + return float(this->v_) / float(n); } - template <unsigned n> - intsub<n> operator-(const intsub<n>& l, int r) - { - return l - intsub<n>(r); - } + // Iota template <unsigned n> - intsub<n> operator-(int l, const intsub<n>& r) + intsub<n> + iota<intsub<n> >::value() { - return - r + l; + return intsub<n>(0,n); } - template <unsigned n> - void operator-=(intsub<n>& l, const intsub<n>& r) - { - l = l - r; - } - template <unsigned n> - void operator-=(intsub<n>& l, int r) - { - l = l - intsub<n>(r); - } + // rounding template <unsigned n> - intsub<n> operator*(const intsub<n>& l, const intsub<n>& r) + intsub<n> floor_(const intsub<n>& i) { - return intsub<n>::make_from_enc_(l.to_enc() * r.to_enc() / n); + return i.is_integer() ? i : value::prev(i); } template <unsigned n> - intsub<n> operator*(const intsub<n>& l, int r) + intsub<n> ceil_(const intsub<n>& i) { - return l * intsub<n>(r); + return i.is_integer() ? i : value::succ(i); } - template <unsigned n> - intsub<n> operator*(int l, const intsub<n>& r) - { - return r * l; - } - template <unsigned n> - void operator*=(intsub<n>& l, const intsub<n>& r) - { - l = l * r; - } + // Other operators (overloads of generic ones) template <unsigned n> - void operator*=(intsub<n>& l, int r) + intsub<n> min_(const intsub<n>& v1, const intsub<n>& v2) { - l = l * intsub<n>(r); + return intsub<n>::make_from_enc_(v1.to_enc() < v2.to_enc() ? v1.to_enc() : v2.to_enc()); } - -// other ops - template <unsigned n> - intsub<n> min(const intsub<n>& v1, const intsub<n>& v2) + intsub<n> max_(const intsub<n>& v1, const intsub<n>& v2) { - return intsub<n>::make_from_enc_(v1.to_enc() < v2.to_enc() ? v1.to_enc() : v2.to_enc()); + return intsub<n>::make_from_enc_(v1.to_enc() > v2.to_enc() ? v1.to_enc() : v2.to_enc()); } + // FIXME: Make use of mean_() overloads with math::mean. Require + // to fix an issue with the return type which differs according to + // the overload : with 2 (intsub<2*n>) or 4 (intsub<4*n>) + // arguments. template <unsigned n> - intsub<n> max(const intsub<n>& v1, const intsub<n>& v2) + intsub<2*n> mean(const intsub<n>& v1, const intsub<n>& v2) { - return intsub<n>::make_from_enc_(v1.to_enc() > v2.to_enc() ? v1.to_enc() : v2.to_enc()); + return intsub<2*n>::make_from_enc_((v1.to_enc() + v2.to_enc())); } + // FIXME: Make use of mean_() overloads with math::mean. Require + // to fix an issue with the return type which differs according to + // the overload : with 2 (intsub<2*n>) or 4 (intsub<4*n>) + // arguments. template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2) + intsub<4*n> mean(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4) { - return intsub<n>::make_from_enc_((v1.to_enc() + v2.to_enc()) / 2); + return mean_(mean_(v1, v2), mean_(v3, v4)); } + // FIXME: Make use of median_() overloads with + // math::median. Require to fix an issue with the return type + // which differs according to the overload : with 2 (intsub<2*n>) + // or 4 (intsub<4*n>) arguments. template <unsigned n> - intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2, - const intsub<n>& v3, const intsub<n>& v4) + intsub<2*n> median(const intsub<n>& v1, const intsub<n>& v2) { - return intsub<n>::make_from_enc_((v1.to_enc() + v2.to_enc() - + v3.to_enc() + v4.to_enc()) / 4); + return mean(v1, v2); } - -// << - + // FIXME: Make use of median_() overloads with + // math::median. Require to fix an issue with the return type + // which differs according to the overload : with 2 (intsub<2*n>) + // or 4 (intsub<4*n>) arguments. template <unsigned n> - std::ostream& - operator<<(std::ostream& ostr, const intsub<n>& i) + intsub<4*n> median(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4) { - if (i.is_integer()) - return ostr << i.to_int(); - else - return ostr << floor(i).to_int() << ".5"; + std::vector<intsub<n> > vec(4); + vec.push_back(v1); + vec.push_back(v2); + vec.push_back(v3); + vec.push_back(v4); + std::sort(vec.begin(), vec.end()); + return mean(vec[1], vec[2]); } # endif // ! MLN_INCLUDE_ONLY diff --git a/milena/tests/value/intsub.cc b/milena/tests/value/intsub.cc index e324fe3..82a87fb 100644 --- a/milena/tests/value/intsub.cc +++ b/milena/tests/value/intsub.cc @@ -26,12 +26,16 @@ /// \file #include <cassert> +#include <mln/math/mean.hh> #include <mln/value/intsub.hh> #include <mln/value/inc.hh> #include <mln/value/dec.hh> #include <mln/value/succ.hh> #include <mln/value/prev.hh> #include <mln/math/mean.hh> +#include <mln/math/min.hh> +#include <mln/math/ceil.hh> +#include <mln/math/floor.hh> int main() { @@ -48,6 +52,10 @@ int main() // (2.5 + 0.5) / 2 == 1.5 mln_assertion(mean(i, half) == 1 + half); + // (2.5 + 2) / 2 = 2.25 + intsub<4> res = mean(i, intsub<2>(2)); + mln_assertion(res == 2.25); + // i == 3 inc(i); mln_assertion(i == intsub<2>(3)); @@ -75,4 +83,27 @@ int main() inc(j); mln_assertion(j == 6 + quarter); + // k = 10.25 + intsub<8> k(10.25); + mln_assertion(k == 10 + quarter); + + // sum(j,k,2) == 18.5 + mln_assertion(j + k + 2 == 18.5); + + // min(i,l) == 2.5 + intsub<2> l(2.5); + mln_assertion(mln::math::min(i, l) == 2.5); + + // mean(6,2,2.5,3) = 3.375 + mln_assertion(mean(i, intsub<2>(2), l, intsub<2>(3)) == 3.375); + + // ceil(2.5) + mln_assertion(math::ceil(l) == 3); + mln_assertion(math::floor(l) == 2); + + // median(6,2,2.5,3) = 2.75 + mln_assertion(median(i, intsub<2>(2), l, intsub<2>(3)) == 2.75); + + // median(6,2) = 4 + mln_assertion(median(i, intsub<2>(2)) == 4); } -- 1.7.2.5

11 years, 7 months

olena-2.0-95-g12b51e7 mln/value/builtin/ops.hh: Handle all the comparison operators.

by Guillaume Lazzara

--- milena/ChangeLog | 4 ++++ milena/mln/value/builtin/ops.hh | 14 ++++++++++---- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 2f69568..1a5f831 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,9 @@ 2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + * mln/value/builtin/ops.hh: Handle all the comparison operators. + +2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + Add mathematical tools. * mln/fun/vv2v/mean.hh, diff --git a/milena/mln/value/builtin/ops.hh b/milena/mln/value/builtin/ops.hh index 1a89052..42ee53a 100644 --- a/milena/mln/value/builtin/ops.hh +++ b/milena/mln/value/builtin/ops.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2008, 2009, 2012 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of Olena. // @@ -43,7 +44,7 @@ // into a value::scalar_ (which is a value::Scalar); as a consequence, // the definition of an object should only handle the single case // "Object (op) Scalar". -// +// // For instance: // an expression such as " int * Image<I> " // is transformed into " I * scalar_<int> " @@ -297,7 +298,7 @@ } \ \ struct m_a_c_r_o__e_n_d__w_i_t_h__s_e_m_i_c_o_l_u_m_n - + # define mln_internal_builtins_opeq_obj_(De, Symb) \ \ mln_internal_##De##_bi_opeq_obj_(Symb, signed char); \ @@ -603,7 +604,9 @@ namespace mln // Ops "bi < obj" and "obj < bi" mln_internal_builtins_op_less_(decl, <, less); - + mln_internal_builtins_op_less_(decl, <=, leq); + mln_internal_builtins_op_less_(decl, >, greater); + mln_internal_builtins_op_less_(decl, >=, geq); # ifndef MLN_INCLUDE_ONLY @@ -642,6 +645,9 @@ namespace mln // Ops "bi < obj" and "obj < bi" mln_internal_builtins_op_less_(def, <, less); + mln_internal_builtins_op_less_(def, <=, leq); + mln_internal_builtins_op_less_(def, >, greater); + mln_internal_builtins_op_less_(def, >=, geq); # endif // ! MLN_INCLUDE_ONLY -- 1.7.2.5

11 years, 7 months

olena-2.0-36-g0c9847e mln/value/builtin/ops.hh: Handle all the comparison operators.

by Guillaume Lazzara

--- milena/ChangeLog | 4 ++++ milena/mln/value/builtin/ops.hh | 14 ++++++++++---- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 46d712d..b7e9506 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,9 @@ 2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + * mln/value/builtin/ops.hh: Handle all the comparison operators. + +2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + Add mathematical tools. * mln/fun/vv2v/mean.hh, diff --git a/milena/mln/value/builtin/ops.hh b/milena/mln/value/builtin/ops.hh index 1a89052..42ee53a 100644 --- a/milena/mln/value/builtin/ops.hh +++ b/milena/mln/value/builtin/ops.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2008, 2009, 2012 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of Olena. // @@ -43,7 +44,7 @@ // into a value::scalar_ (which is a value::Scalar); as a consequence, // the definition of an object should only handle the single case // "Object (op) Scalar". -// +// // For instance: // an expression such as " int * Image<I> " // is transformed into " I * scalar_<int> " @@ -297,7 +298,7 @@ } \ \ struct m_a_c_r_o__e_n_d__w_i_t_h__s_e_m_i_c_o_l_u_m_n - + # define mln_internal_builtins_opeq_obj_(De, Symb) \ \ mln_internal_##De##_bi_opeq_obj_(Symb, signed char); \ @@ -603,7 +604,9 @@ namespace mln // Ops "bi < obj" and "obj < bi" mln_internal_builtins_op_less_(decl, <, less); - + mln_internal_builtins_op_less_(decl, <=, leq); + mln_internal_builtins_op_less_(decl, >, greater); + mln_internal_builtins_op_less_(decl, >=, geq); # ifndef MLN_INCLUDE_ONLY @@ -642,6 +645,9 @@ namespace mln // Ops "bi < obj" and "obj < bi" mln_internal_builtins_op_less_(def, <, less); + mln_internal_builtins_op_less_(def, <=, leq); + mln_internal_builtins_op_less_(def, >, greater); + mln_internal_builtins_op_less_(def, >=, geq); # endif // ! MLN_INCLUDE_ONLY -- 1.7.2.5

11 years, 7 months

olena-2.0-94-g7cbca2d Add mathematical tools.

by Guillaume Lazzara

* mln/fun/vv2v/mean.hh, * mln/fun/vvvv2v/mean.hh, * mln/math/ceil.hh, * mln/math/floor.hh, * mln/math/max.hh, * mln/math/mean.hh, * mln/math/min.hh: New. --- milena/ChangeLog | 12 ++ milena/mln/fun/vv2v/{min.hh => mean.hh} | 26 +++--- milena/mln/fun/{vv2v/min.hh => vvvv2v/mean.hh} | 35 +++---- milena/{sandbox/green => }/mln/math/ceil.hh | 32 ++++-- milena/{sandbox/green => }/mln/math/floor.hh | 30 ++++-- milena/mln/math/max.hh | 23 ++++- milena/mln/math/mean.hh | 128 ++++++++++++++++++++++++ milena/mln/math/min.hh | 23 ++++- 8 files changed, 247 insertions(+), 62 deletions(-) copy milena/mln/fun/vv2v/{min.hh => mean.hh} (75%) copy milena/mln/fun/{vv2v/min.hh => vvvv2v/mean.hh} (66%) copy milena/{sandbox/green => }/mln/math/ceil.hh (76%) copy milena/{sandbox/green => }/mln/math/floor.hh (77%) create mode 100644 milena/mln/math/mean.hh diff --git a/milena/ChangeLog b/milena/ChangeLog index 0b2e2cf..2f69568 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,15 @@ +2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + + Add mathematical tools. + + * mln/fun/vv2v/mean.hh, + * mln/fun/vvvv2v/mean.hh, + * mln/math/ceil.hh, + * mln/math/floor.hh, + * mln/math/max.hh, + * mln/math/mean.hh, + * mln/math/min.hh: New. + 2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> * tests/world/k1/Makefile.am: Fix target names. diff --git a/milena/mln/fun/vv2v/min.hh b/milena/mln/fun/vv2v/mean.hh similarity index 75% copy from milena/mln/fun/vv2v/min.hh copy to milena/mln/fun/vv2v/mean.hh index 0f885fc..510b9a6 100644 --- a/milena/mln/fun/vv2v/min.hh +++ b/milena/mln/fun/vv2v/mean.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -23,15 +23,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_FUN_VV2V_MIN_HH -# define MLN_FUN_VV2V_MIN_HH +#ifndef MLN_FUN_VV2V_MEAN_HH +# define MLN_FUN_VV2V_MEAN_HH /// \file /// -/// Functor that computes the minimum of two values. +/// Functor that computes the mean of two values. # include <mln/core/concept/function.hh> -# include <mln/math/min.hh> +# include <mln/math/mean.hh> namespace mln @@ -45,13 +45,13 @@ namespace mln // FIXME: Doc. - /// \brief A functor computing the minimum of two values. + /// \brief A functor computing the mean of two values. template <typename L, typename R = L> - struct min : public Function_vv2v< min<L,R> >, + struct mean : public Function_vv2v< mean<L,R> >, private mlc_converts_to(R,L)::check_t { - typedef L result; - L operator()(const L& v1, const R& v2) const; + typedef R result; + R operator()(const L& v1, const L& v2) const; }; @@ -59,10 +59,10 @@ namespace mln template <typename L, typename R> inline - L - min<L,R>::operator()(const L& v1, const R& v2) const + R + mean<L,R>::operator()(const L& v1, const L& v2) const { - return mln::math::min(v1, L(v2)); + return R(mln::math::mean(v1, v2); } # endif // ! MLN_INCLUDE_ONLY @@ -74,4 +74,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_FUN_VV2V_MIN_HH +#endif // ! MLN_FUN_VV2V_MEAN_HH diff --git a/milena/mln/fun/vv2v/min.hh b/milena/mln/fun/vvvv2v/mean.hh similarity index 66% copy from milena/mln/fun/vv2v/min.hh copy to milena/mln/fun/vvvv2v/mean.hh index 0f885fc..0dba050 100644 --- a/milena/mln/fun/vv2v/min.hh +++ b/milena/mln/fun/vvvv2v/mean.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -23,15 +23,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_FUN_VV2V_MIN_HH -# define MLN_FUN_VV2V_MIN_HH +#ifndef MLN_FUN_VVVV2V_MEAN_HH +# define MLN_FUN_VVVV2V_MEAN_HH /// \file /// -/// Functor that computes the minimum of two values. +/// Functor that computes the mean of two values. # include <mln/core/concept/function.hh> -# include <mln/math/min.hh> +# include <mln/math/mean.hh> namespace mln @@ -40,38 +40,37 @@ namespace mln namespace fun { - namespace vv2v + namespace vvvv2v { // FIXME: Doc. - /// \brief A functor computing the minimum of two values. - template <typename L, typename R = L> - struct min : public Function_vv2v< min<L,R> >, - private mlc_converts_to(R,L)::check_t + /// \brief A functor computing the mean of two values. + template <typename T, typename R=T> + struct mean : public Function_vvvv2v< mean<T> > { - typedef L result; - L operator()(const L& v1, const R& v2) const; + typedef R result; + R operator()(const T& v1, const T& v2, const T& v3, const T& v4) const; }; # ifndef MLN_INCLUDE_ONLY - template <typename L, typename R> + template <typename T> inline - L - min<L,R>::operator()(const L& v1, const R& v2) const + R + mean<T,R>::operator()(const T& v1, const T& v2, const T& v3, const T& v4) const { - return mln::math::min(v1, L(v2)); + return R(mln::math::mean(v1, v2, v3, v4)); } # endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::fun::vv2v + } // end of namespace mln::fun::vvvv2v } // end of namespace mln::fun } // end of namespace mln -#endif // ! MLN_FUN_VV2V_MIN_HH +#endif // ! MLN_FUN_VVVV2V_MEAN_HH diff --git a/milena/sandbox/green/mln/math/ceil.hh b/milena/mln/math/ceil.hh similarity index 76% copy from milena/sandbox/green/mln/math/ceil.hh copy to milena/mln/math/ceil.hh index 6fc08c8..997c8b5 100644 --- a/milena/sandbox/green/mln/math/ceil.hh +++ b/milena/mln/math/ceil.hh @@ -1,5 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010 -// EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -29,36 +28,47 @@ /*! \file * - * \brief Define the ceil (ceil) routine. + * \brief Define ceil routine. */ # include <cmath> - namespace mln { namespace math { + /// Return the nearest integer not less than \p v1. template <typename T> - T ceil(const T& v); + T ceil(const T& v1); + + } // end of namespace mln::math # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the ceil function. + template <typename T> + T ceil_(const T& v1) + { + return std::ceil(v1); + } + + namespace math + { + template <typename T> - inline - T ceil(const T& v) + T ceil(const T& v1) { - return std::ceil(v); + return ceil_(exact(v1)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln -#endif // ! MLN_MATH_FLOOR_HH +#endif // ! MLN_MATH_CEIL_HH diff --git a/milena/sandbox/green/mln/math/floor.hh b/milena/mln/math/floor.hh similarity index 77% copy from milena/sandbox/green/mln/math/floor.hh copy to milena/mln/math/floor.hh index 97e63bd..defb112 100644 --- a/milena/sandbox/green/mln/math/floor.hh +++ b/milena/mln/math/floor.hh @@ -1,5 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010 -// EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -29,35 +28,46 @@ /*! \file * - * \brief Define the floor (floor) routine. + * \brief Define floor routine. */ # include <cmath> - namespace mln { namespace math { + /// \brief Return the nearest integer not greater than \p v1. template <typename T> - T floor(const T& v); + T floor(const T& v1); + + } // end of namespace mln::math # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the floor function. + template <typename T> + T floor_(const T& v1) + { + return std::floor(v1); + } + + namespace math + { + template <typename T> - inline - T floor(const T& v) + T floor(const T& v1) { - return std::floor(v); + return floor_(exact(v1)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln diff --git a/milena/mln/math/max.hh b/milena/mln/math/max.hh index 24f124b..0fe8ea4 100644 --- a/milena/mln/math/max.hh +++ b/milena/mln/math/max.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2009. 2012 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of Olena. // @@ -38,23 +39,35 @@ namespace mln namespace math { + /// Return the maximum of two values. template <typename T> T max(const T& v1, const T& v2); + } // end of namespace mln::math + # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the maximum function. + template <typename T> + T max_(const T& v1, const T& v2) + { + return v1 > v2 ? v1 : v2; + } + + namespace math + { + template <typename T> - inline T max(const T& v1, const T& v2) { - return v1 > v2 ? v1 : v2; + return max_(exact(v1), exact(v2)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln diff --git a/milena/mln/math/mean.hh b/milena/mln/math/mean.hh new file mode 100644 index 0000000..d9c95fc --- /dev/null +++ b/milena/mln/math/mean.hh @@ -0,0 +1,128 @@ +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of Olena. +// +// Olena is free software: you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation, version 2 of the License. +// +// Olena is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with Olena. If not, see <http://www.gnu.org/licenses/>. +// +// As a special exception, you may use this file as part of a free +// software project without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to produce +// an executable, this file does not by itself cause the resulting +// executable to be covered by the GNU General Public License. This +// exception does not however invalidate any other reasons why the +// executable file might be covered by the GNU General Public License. + +#ifndef MLN_MATH_MEAN_HH +# define MLN_MATH_MEAN_HH + +# include <mln/trait/op/div.hh> +# include <mln/metal/converts_to.hh> + +/*! \file + * + * \brief Define mean routine. + */ + + +namespace mln +{ + + namespace math + { + + /// Return the mean of two values. + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2); + + /// \overload \pre Type U must be convertible towards type T. + template <typename T, typename U> + mln_trait_op_div(T,double) + mean(const T& v1, const U& v2); + + /// Return the mean of four values. + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2, const T& v3, const T& v4); + + /// \overload \pre Type T2, T3 and T4 must be convertible towards + /// type T. + template <typename T, typename T2, typename T3, typename T4> + mln_trait_op_div(T,double) + mean(const T& v1, const T2& v2, const T3& v3, const T4& v4); + + + } // end of namespace mln::math + +# ifndef MLN_INCLUDE_ONLY + + /// \internal Generic implementation of the mean of two values. + template <typename T> + mln_trait_op_div(T,double) + mean_(const T& v1, const T& v2) + { + return (v1 + v2) / 2.; + } + + /// \internal Generic implementation of the mean of four values. + template <typename T> + mln_trait_op_div(T,double) + mean_(const T& v1, const T& v2, const T& v3, const T& v4) + { + return (v1 + v2 + v3 + v4) / 4; + } + + namespace math + { + + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2) + { + return mean_(exact(v1), exact(v2)); + } + + template <typename T, typename U> + mln_trait_op_div(T,double) + mean(const T& v1, const U& v2) + { + mlc_converts_to(U,T)::check(); + return mean_(v1, T(v2)); + } + + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2, const T& v3, const T& v4) + { + return mean_(v1, T(v2), T(v3), T(v4)); + } + + template <typename T, typename T2, typename T3, typename T4> + mln_trait_op_div(T,double) + mean(const T& v1, const T2& v2, const T3& v3, const T4& v4) + { + mlc_converts_to(T2,T)::check(); + mlc_converts_to(T3,T)::check(); + mlc_converts_to(T4,T)::check(); + return mean_(v1, T(v2), T(v3), T(v4)); + } + + } // end of namespace mln::math + +# endif // ! MLN_INCLUDE_ONLY + +} // end of namespace mln + + +#endif // ! MLN_MATH_MEAN_HH diff --git a/milena/mln/math/min.hh b/milena/mln/math/min.hh index fd81d54..d2a5503 100644 --- a/milena/mln/math/min.hh +++ b/milena/mln/math/min.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2009, 2012 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of Olena. // @@ -38,23 +39,35 @@ namespace mln namespace math { + /// Return the minimum of two values. template <typename T> T min(const T& v1, const T& v2); + } // end of namespace mln::math + # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the minimum function. + template <typename T> + T min_(const T& v1, const T& v2) + { + return v1 < v2 ? v1 : v2; + } + + namespace math + { + template <typename T> - inline T min(const T& v1, const T& v2) { - return v1 < v2 ? v1 : v2; + return min_(exact(v1), exact(v2)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln -- 1.7.2.5

11 years, 7 months

olena-2.0-35-g841c962 Add mathematical tools.

by Guillaume Lazzara

* mln/fun/vv2v/mean.hh, * mln/fun/vvvv2v/mean.hh, * mln/math/ceil.hh, * mln/math/floor.hh, * mln/math/max.hh, * mln/math/mean.hh, * mln/math/min.hh: New. --- milena/ChangeLog | 12 ++ milena/mln/fun/vv2v/{min.hh => mean.hh} | 26 +++--- milena/mln/fun/{vv2v/min.hh => vvvv2v/mean.hh} | 35 +++---- milena/{sandbox/green => }/mln/math/ceil.hh | 32 ++++-- milena/{sandbox/green => }/mln/math/floor.hh | 30 ++++-- milena/mln/math/max.hh | 23 ++++- milena/mln/math/mean.hh | 128 ++++++++++++++++++++++++ milena/mln/math/min.hh | 23 ++++- 8 files changed, 247 insertions(+), 62 deletions(-) copy milena/mln/fun/vv2v/{min.hh => mean.hh} (75%) copy milena/mln/fun/{vv2v/min.hh => vvvv2v/mean.hh} (66%) copy milena/{sandbox/green => }/mln/math/ceil.hh (76%) copy milena/{sandbox/green => }/mln/math/floor.hh (77%) create mode 100644 milena/mln/math/mean.hh diff --git a/milena/ChangeLog b/milena/ChangeLog index 08378ab..46d712d 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,15 @@ +2012-10-04 Guillaume Lazzara <z(a)lrde.epita.fr> + + Add mathematical tools. + + * mln/fun/vv2v/mean.hh, + * mln/fun/vvvv2v/mean.hh, + * mln/math/ceil.hh, + * mln/math/floor.hh, + * mln/math/max.hh, + * mln/math/mean.hh, + * mln/math/min.hh: New. + 2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> * tests/world/k1/Makefile.am: Fix target names. diff --git a/milena/mln/fun/vv2v/min.hh b/milena/mln/fun/vv2v/mean.hh similarity index 75% copy from milena/mln/fun/vv2v/min.hh copy to milena/mln/fun/vv2v/mean.hh index 0f885fc..510b9a6 100644 --- a/milena/mln/fun/vv2v/min.hh +++ b/milena/mln/fun/vv2v/mean.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -23,15 +23,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_FUN_VV2V_MIN_HH -# define MLN_FUN_VV2V_MIN_HH +#ifndef MLN_FUN_VV2V_MEAN_HH +# define MLN_FUN_VV2V_MEAN_HH /// \file /// -/// Functor that computes the minimum of two values. +/// Functor that computes the mean of two values. # include <mln/core/concept/function.hh> -# include <mln/math/min.hh> +# include <mln/math/mean.hh> namespace mln @@ -45,13 +45,13 @@ namespace mln // FIXME: Doc. - /// \brief A functor computing the minimum of two values. + /// \brief A functor computing the mean of two values. template <typename L, typename R = L> - struct min : public Function_vv2v< min<L,R> >, + struct mean : public Function_vv2v< mean<L,R> >, private mlc_converts_to(R,L)::check_t { - typedef L result; - L operator()(const L& v1, const R& v2) const; + typedef R result; + R operator()(const L& v1, const L& v2) const; }; @@ -59,10 +59,10 @@ namespace mln template <typename L, typename R> inline - L - min<L,R>::operator()(const L& v1, const R& v2) const + R + mean<L,R>::operator()(const L& v1, const L& v2) const { - return mln::math::min(v1, L(v2)); + return R(mln::math::mean(v1, v2); } # endif // ! MLN_INCLUDE_ONLY @@ -74,4 +74,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_FUN_VV2V_MIN_HH +#endif // ! MLN_FUN_VV2V_MEAN_HH diff --git a/milena/mln/fun/vv2v/min.hh b/milena/mln/fun/vvvv2v/mean.hh similarity index 66% copy from milena/mln/fun/vv2v/min.hh copy to milena/mln/fun/vvvv2v/mean.hh index 0f885fc..0dba050 100644 --- a/milena/mln/fun/vv2v/min.hh +++ b/milena/mln/fun/vvvv2v/mean.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -23,15 +23,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_FUN_VV2V_MIN_HH -# define MLN_FUN_VV2V_MIN_HH +#ifndef MLN_FUN_VVVV2V_MEAN_HH +# define MLN_FUN_VVVV2V_MEAN_HH /// \file /// -/// Functor that computes the minimum of two values. +/// Functor that computes the mean of two values. # include <mln/core/concept/function.hh> -# include <mln/math/min.hh> +# include <mln/math/mean.hh> namespace mln @@ -40,38 +40,37 @@ namespace mln namespace fun { - namespace vv2v + namespace vvvv2v { // FIXME: Doc. - /// \brief A functor computing the minimum of two values. - template <typename L, typename R = L> - struct min : public Function_vv2v< min<L,R> >, - private mlc_converts_to(R,L)::check_t + /// \brief A functor computing the mean of two values. + template <typename T, typename R=T> + struct mean : public Function_vvvv2v< mean<T> > { - typedef L result; - L operator()(const L& v1, const R& v2) const; + typedef R result; + R operator()(const T& v1, const T& v2, const T& v3, const T& v4) const; }; # ifndef MLN_INCLUDE_ONLY - template <typename L, typename R> + template <typename T> inline - L - min<L,R>::operator()(const L& v1, const R& v2) const + R + mean<T,R>::operator()(const T& v1, const T& v2, const T& v3, const T& v4) const { - return mln::math::min(v1, L(v2)); + return R(mln::math::mean(v1, v2, v3, v4)); } # endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::fun::vv2v + } // end of namespace mln::fun::vvvv2v } // end of namespace mln::fun } // end of namespace mln -#endif // ! MLN_FUN_VV2V_MIN_HH +#endif // ! MLN_FUN_VVVV2V_MEAN_HH diff --git a/milena/sandbox/green/mln/math/ceil.hh b/milena/mln/math/ceil.hh similarity index 76% copy from milena/sandbox/green/mln/math/ceil.hh copy to milena/mln/math/ceil.hh index 6fc08c8..997c8b5 100644 --- a/milena/sandbox/green/mln/math/ceil.hh +++ b/milena/mln/math/ceil.hh @@ -1,5 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010 -// EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -29,36 +28,47 @@ /*! \file * - * \brief Define the ceil (ceil) routine. + * \brief Define ceil routine. */ # include <cmath> - namespace mln { namespace math { + /// Return the nearest integer not less than \p v1. template <typename T> - T ceil(const T& v); + T ceil(const T& v1); + + } // end of namespace mln::math # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the ceil function. + template <typename T> + T ceil_(const T& v1) + { + return std::ceil(v1); + } + + namespace math + { + template <typename T> - inline - T ceil(const T& v) + T ceil(const T& v1) { - return std::ceil(v); + return ceil_(exact(v1)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln -#endif // ! MLN_MATH_FLOOR_HH +#endif // ! MLN_MATH_CEIL_HH diff --git a/milena/sandbox/green/mln/math/floor.hh b/milena/mln/math/floor.hh similarity index 77% copy from milena/sandbox/green/mln/math/floor.hh copy to milena/mln/math/floor.hh index 97e63bd..defb112 100644 --- a/milena/sandbox/green/mln/math/floor.hh +++ b/milena/mln/math/floor.hh @@ -1,5 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010 -// EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -29,35 +28,46 @@ /*! \file * - * \brief Define the floor (floor) routine. + * \brief Define floor routine. */ # include <cmath> - namespace mln { namespace math { + /// \brief Return the nearest integer not greater than \p v1. template <typename T> - T floor(const T& v); + T floor(const T& v1); + + } // end of namespace mln::math # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the floor function. + template <typename T> + T floor_(const T& v1) + { + return std::floor(v1); + } + + namespace math + { + template <typename T> - inline - T floor(const T& v) + T floor(const T& v1) { - return std::floor(v); + return floor_(exact(v1)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln diff --git a/milena/mln/math/max.hh b/milena/mln/math/max.hh index 24f124b..0fe8ea4 100644 --- a/milena/mln/math/max.hh +++ b/milena/mln/math/max.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2009. 2012 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of Olena. // @@ -38,23 +39,35 @@ namespace mln namespace math { + /// Return the maximum of two values. template <typename T> T max(const T& v1, const T& v2); + } // end of namespace mln::math + # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the maximum function. + template <typename T> + T max_(const T& v1, const T& v2) + { + return v1 > v2 ? v1 : v2; + } + + namespace math + { + template <typename T> - inline T max(const T& v1, const T& v2) { - return v1 > v2 ? v1 : v2; + return max_(exact(v1), exact(v2)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln diff --git a/milena/mln/math/mean.hh b/milena/mln/math/mean.hh new file mode 100644 index 0000000..d9c95fc --- /dev/null +++ b/milena/mln/math/mean.hh @@ -0,0 +1,128 @@ +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of Olena. +// +// Olena is free software: you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation, version 2 of the License. +// +// Olena is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with Olena. If not, see <http://www.gnu.org/licenses/>. +// +// As a special exception, you may use this file as part of a free +// software project without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to produce +// an executable, this file does not by itself cause the resulting +// executable to be covered by the GNU General Public License. This +// exception does not however invalidate any other reasons why the +// executable file might be covered by the GNU General Public License. + +#ifndef MLN_MATH_MEAN_HH +# define MLN_MATH_MEAN_HH + +# include <mln/trait/op/div.hh> +# include <mln/metal/converts_to.hh> + +/*! \file + * + * \brief Define mean routine. + */ + + +namespace mln +{ + + namespace math + { + + /// Return the mean of two values. + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2); + + /// \overload \pre Type U must be convertible towards type T. + template <typename T, typename U> + mln_trait_op_div(T,double) + mean(const T& v1, const U& v2); + + /// Return the mean of four values. + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2, const T& v3, const T& v4); + + /// \overload \pre Type T2, T3 and T4 must be convertible towards + /// type T. + template <typename T, typename T2, typename T3, typename T4> + mln_trait_op_div(T,double) + mean(const T& v1, const T2& v2, const T3& v3, const T4& v4); + + + } // end of namespace mln::math + +# ifndef MLN_INCLUDE_ONLY + + /// \internal Generic implementation of the mean of two values. + template <typename T> + mln_trait_op_div(T,double) + mean_(const T& v1, const T& v2) + { + return (v1 + v2) / 2.; + } + + /// \internal Generic implementation of the mean of four values. + template <typename T> + mln_trait_op_div(T,double) + mean_(const T& v1, const T& v2, const T& v3, const T& v4) + { + return (v1 + v2 + v3 + v4) / 4; + } + + namespace math + { + + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2) + { + return mean_(exact(v1), exact(v2)); + } + + template <typename T, typename U> + mln_trait_op_div(T,double) + mean(const T& v1, const U& v2) + { + mlc_converts_to(U,T)::check(); + return mean_(v1, T(v2)); + } + + template <typename T> + mln_trait_op_div(T,double) + mean(const T& v1, const T& v2, const T& v3, const T& v4) + { + return mean_(v1, T(v2), T(v3), T(v4)); + } + + template <typename T, typename T2, typename T3, typename T4> + mln_trait_op_div(T,double) + mean(const T& v1, const T2& v2, const T3& v3, const T4& v4) + { + mlc_converts_to(T2,T)::check(); + mlc_converts_to(T3,T)::check(); + mlc_converts_to(T4,T)::check(); + return mean_(v1, T(v2), T(v3), T(v4)); + } + + } // end of namespace mln::math + +# endif // ! MLN_INCLUDE_ONLY + +} // end of namespace mln + + +#endif // ! MLN_MATH_MEAN_HH diff --git a/milena/mln/math/min.hh b/milena/mln/math/min.hh index fd81d54..d2a5503 100644 --- a/milena/mln/math/min.hh +++ b/milena/mln/math/min.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2007, 2009, 2012 EPITA Research and Development +// Laboratory (LRDE) // // This file is part of Olena. // @@ -38,23 +39,35 @@ namespace mln namespace math { + /// Return the minimum of two values. template <typename T> T min(const T& v1, const T& v2); + } // end of namespace mln::math + # ifndef MLN_INCLUDE_ONLY + /// \internal Generic implementation of the minimum function. + template <typename T> + T min_(const T& v1, const T& v2) + { + return v1 < v2 ? v1 : v2; + } + + namespace math + { + template <typename T> - inline T min(const T& v1, const T& v2) { - return v1 < v2 ? v1 : v2; + return min_(exact(v1), exact(v2)); } -# endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::math +# endif // ! MLN_INCLUDE_ONLY + } // end of namespace mln -- 1.7.2.5

11 years, 7 months

olena-2.0-34-gd2cc34c tests/world/k1/Makefile.am: Fix target names.

by Guillaume Lazzara

--- milena/ChangeLog | 4 ++++ milena/tests/world/k1/Makefile.am | 2 +- 2 files changed, 5 insertions(+), 1 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 24bd25c..08378ab 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,9 @@ 2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> + * tests/world/k1/Makefile.am: Fix target names. + +2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> + Replace unsignedh type by intsub. * mln/value/unsignedh.hh, diff --git a/milena/tests/world/k1/Makefile.am b/milena/tests/world/k1/Makefile.am index 0027267..598d8dd 100644 --- a/milena/tests/world/k1/Makefile.am +++ b/milena/tests/world/k1/Makefile.am @@ -38,7 +38,7 @@ check_PROGRAMS = \ un_immerse display_enlarged_SOURCES = display_enlarged.cc -fill_0_1_faces_border_SOURCES = fill_0_1_faces_border.cc +fill_0_1_faces_internal_border_SOURCES = fill_0_1_faces_internal_border.cc fill_0_from_1_faces_SOURCES = fill_0_from_1_faces.cc fill_0_from_2_faces_SOURCES = fill_0_from_2_faces.cc fill_0_from_primary_faces_SOURCES = fill_0_from_primary_faces.cc -- 1.7.2.5

11 years, 7 months

olena-2.0-33-g3ce4ce1 Replace unsignedh type by intsub.

by Guillaume Lazzara

* mln/value/unsignedh.hh, * tests/value/unsignedh.cc: Remove. * mln/value/intsub.hh, * tests/value/intsub.cc: New. * tests/value/Makefile.am: Change target name. --- milena/ChangeLog | 12 + milena/mln/value/intsub.hh | 569 ++++++++++++++++++++++++ milena/mln/value/unsignedh.hh | 415 ----------------- milena/tests/value/Makefile.am | 4 +- milena/tests/value/{unsignedh.cc => intsub.cc} | 46 ++- 5 files changed, 623 insertions(+), 423 deletions(-) create mode 100644 milena/mln/value/intsub.hh delete mode 100644 milena/mln/value/unsignedh.hh rename milena/tests/value/{unsignedh.cc => intsub.cc} (65%) diff --git a/milena/ChangeLog b/milena/ChangeLog index ea274e2..24bd25c 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,17 @@ 2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> + Replace unsignedh type by intsub. + + * mln/value/unsignedh.hh, + * tests/value/unsignedh.cc: Remove. + + * mln/value/intsub.hh, + * tests/value/intsub.cc: New. + + * tests/value/Makefile.am: Change target name. + +2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> + New routines to browse values into a value set. * mln/accu/label_used.hh, diff --git a/milena/mln/value/intsub.hh b/milena/mln/value/intsub.hh new file mode 100644 index 0000000..fc269a8 --- /dev/null +++ b/milena/mln/value/intsub.hh @@ -0,0 +1,569 @@ +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of Olena. +// +// Olena is free software: you can redistribute it and/or modify it under +// the terms of the GNU General Public License as published by the Free +// Software Foundation, version 2 of the License. +// +// Olena is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with Olena. If not, see <http://www.gnu.org/licenses/>. +// +// As a special exception, you may use this file as part of a free +// software project without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to produce +// an executable, this file does not by itself cause the resulting +// executable to be covered by the GNU General Public License. This +// exception does not however invalidate any other reasons why the +// executable file might be covered by the GNU General Public License. + +#ifndef MLN_VALUE_INTSUB_HH +# define MLN_VALUE_INTSUB_HH + +/// \file +/// +/// Define a subdivided integer value class. + +# include <cstdlib> +# include <iostream> +# include <sstream> +# include <mln/value/internal/value_like.hh> +# include <mln/value/internal/encoding.hh> +# include <mln/value/internal/limits.hh> +# include <mln/value/concept/integer.hh> +# include <mln/value/iota.hh> +# include <mln/value/prev.hh> +# include <mln/value/succ.hh> + + +namespace mln +{ + + // Forward declaration + namespace value { + template <unsigned n> class intsub; + } + + namespace trait + { + + template <unsigned n> + struct set_precise_unary_< op::uminus, mln::value::intsub<n> > + { + typedef mln::value::intsub<n> ret; + }; + + + template <unsigned n> + struct value_< mln::value::intsub<n> > + { + private: + typedef mln::value::intsub<n> self_; + typedef typename mln::value::internal::encoding_signed_<32>::ret enc_; + public: + + enum constants_ { + dim = 1, + nbits = 32, + card = mln_value_card_from_(32/n) // FIXME: Really? + }; + + typedef trait::value::nature::integer nature; + typedef trait::value::kind::data kind; + typedef mln_value_quant_from_(card) quant; + + static const self_ max() { return mln::value::internal::limits<int>::max() / n; } + static const self_ min() { return - max(); } + static const self_ epsilon() { return 0; } + + typedef mln::value::intsub<n> comp; + + typedef mln::value::intsub<n> sum; + + static const char* name() + { + static std::string + s = mln::value::internal::make_generic_name("intsub", n); + return s.c_str(); + } + + }; + + } // end of namespace mln::trait + + + + namespace value + { + + template <unsigned n> + class intsub + : public Integer< intsub<n> >, + public internal::value_like_< int, // Equivalent. + typename internal::encoding_signed_<32>::ret, // Enc. + int, // Interoperation. + intsub<n> > // Exact. + { + public: + intsub(); + intsub(const intsub<n>& rhs); + /// Construct an intsub with value : \p int_part + 1 / \p denominator. + intsub(int int_part, unsigned denominator); + intsub(int i); + + intsub<n>& operator=(const intsub<n>& rhs); + intsub<n>& operator=(int i); + + /// Is an integer value. + bool is_integer() const; + + /// Convert this intsub to a larger intsub type. + template <unsigned m> + operator intsub<m>(); + + /*! \internal Increment by value::iota::value() the + value to the next one. + */ + void inc_(); + /*! \internal Decrement by value::iota::value() the + value to the next one. + */ + void dec_(); + + /*!\internal Return the integer part of this value. + */ + int to_int() const; + + /*!\internal Construct a intsub using an encoding value. */ + static intsub<n> make_from_enc_(int enc); + + /// Unary operator minus. + intsub<n> operator-() const; + + }; + + + // Safety + template <> struct intsub<0>; + +// rounding + + template <unsigned n> + intsub<n> floor(const intsub<n>& i); + template <unsigned n> + intsub<n> ceil(const intsub<n>& i); + + +// comparison + + template <unsigned n> + bool operator==(const intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename V> + bool operator==(const intsub<n>& l, const V& r); + template <unsigned n> + bool operator<=(const intsub<n>& l, const intsub<n>& r); + template <unsigned n> + bool operator!=(const intsub<n>& l, const intsub<n>& r); + template <unsigned n> + bool operator>=(const intsub<n>& l, const intsub<n>& r); + template <unsigned n> + bool operator>(const intsub<n>& l, const intsub<n>& r); + template <unsigned n> + bool operator<(const intsub<n>& l, const intsub<n>& r); + +// arithmetics + + template <unsigned n> + intsub<n> operator+(const intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename O> + intsub<n> operator+(const intsub<n>& l, const O& r); + template <typename O, unsigned n> + intsub<n> operator+(const O& r, const intsub<n>& l); + template <unsigned n> + void operator+=(intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename O> + void operator+=(intsub<n>& l, const O& r); + + template <unsigned n> + intsub<n> operator-(const intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename O> + intsub<n> operator-(const intsub<n>& l, const O& r); + template <typename O, unsigned n> + intsub<n> operator-(const O& r, const intsub<n>& l); + template <unsigned n> + void operator-=(intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename O> + void operator-=(intsub<n>& l, const O& r); + + template <unsigned n> + intsub<n> operator*(const intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename O> + intsub<n> operator*(const intsub<n>& l, const O& r); + template <typename O, unsigned n> + intsub<n> operator*(const O& r, const intsub<n>& l); + template <unsigned n> + void operator*=(intsub<n>& l, const intsub<n>& r); + template <unsigned n, typename O> + void operator*=(intsub<n>& l, const O& r); + +// other ops + + template <unsigned n> + intsub<n> min(const intsub<n>& u1, const intsub<n>& u2); + template <unsigned n> + intsub<n> max(const intsub<n>& u1, const intsub<n>& u2); + template <unsigned n> + intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2); + template <unsigned n> + intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4); + +// << + + template <unsigned n> + std::ostream& + operator<<(std::ostream& ostr, const intsub<n>& i); + + template <unsigned n> + struct iota<intsub<n> > + { + static intsub<n> value(); + }; + + } // end of namespace mln::value + + extern const value::intsub<2> half; + extern const value::intsub<4> quarter; + +# ifndef MLN_INCLUDE_ONLY + + + // half + +# ifndef MLN_WO_GLOBAL_VARS + + const value::intsub<2> half = value::intsub<2>(0, 2); + const value::intsub<4> quarter = value::intsub<4>(0, 4); + +# endif // ! MLN_WO_GLOBAL_VARS + + + + namespace value + { + + template <unsigned n> + intsub<n>::intsub() + { + } + + template <unsigned n> + intsub<n>::intsub(const intsub<n>& rhs) + { + this->v_ = rhs.v_; + } + + template <unsigned n> + intsub<n>::intsub(int i) + { + this->v_ = n * i; + } + + template <unsigned n> + intsub<n>::intsub(int int_part, unsigned denominator) + { + // FIXME: better error handling ? + if (denominator > n) + std::abort(); + + this->v_ = int_part * n + denominator / n; + } + + + template <unsigned n> + intsub<n>& + intsub<n>::operator=(const intsub<n>& rhs) + { + this->v_ = rhs.v_; + return *this; + } + + template <unsigned n> + intsub<n>& + intsub<n>::operator=(int i) + { + this->v_ = n * i; + return *this; + } + + template <unsigned n> + intsub<n> intsub<n>::make_from_enc_(int enc) + { + intsub<n> i; + i.v_ = enc; + return i; + } + + template <unsigned n> + bool + intsub<n>::is_integer() const + { + return this->v_ % n == 0; + } + + template <unsigned n> + template <unsigned m> + intsub<n>::operator intsub<m>() + { + // FIXME: better error handling ? + if (n > m) + std::abort(); + return intsub<m>::make_from_enc_(this->v_ * (m / n)); + } + + template <unsigned n> + void + intsub<n>::inc_() + { + this->v_ += iota<intsub<n> >::value().to_enc(); + } + + template <unsigned n> + void + intsub<n>::dec_() + { + this->v_ -= iota<intsub<n> >::value().to_enc(); + } + + template <unsigned n> + int + intsub<n>::to_int() const + { + return this->v_ / n; + } + + template <unsigned n> + intsub<n> + intsub<n>::operator-() const + { + return intsub<n>::make_from_enc_(this->v_ * -1); + } + + // Iota + template <unsigned n> + intsub<n> + iota<intsub<n> >::value() + { + return intsub<n>(0,n); + } + + +// rounding + + + template <unsigned n> + intsub<n> floor(const intsub<n>& i) + { + return i.is_integer() ? i : value::prev(i); + } + + template <unsigned n> + intsub<n> ceil(const intsub<n>& i) + { + return i.is_integer() ? i : value::succ(i); + } + + + +// comparison + + template <unsigned n> + bool operator==(const intsub<n>& l, const intsub<n>& r) + { + return l.to_enc() == r.to_enc(); + } + + template <unsigned n> + bool operator==(const intsub<n>& l, const int& r) + { + return l == intsub<n>(r); + } + + template <unsigned n> + bool operator<=(const intsub<n>& l, const intsub<n>& r) + { + return l.to_enc() <= r.to_enc(); + } + + template <unsigned n> + bool operator!=(const intsub<n>& l, const intsub<n>& r) + { + return ! (l == r); + } + + template <unsigned n> + bool operator>=(const intsub<n>& l, const intsub<n>& r) + { + return r <= l; + } + + template <unsigned n> + bool operator>(const intsub<n>& l, const intsub<n>& r) + { + return ! (l <= r); + } + + template <unsigned n> + bool operator<(const intsub<n>& l, const intsub<n>& r) + { + return r > l; + } + + +// arithmetics + + template <unsigned n> + intsub<n> operator+(const intsub<n>& l, const intsub<n>& r) + { + return intsub<n>::make_from_enc_(l.to_enc() + r.to_enc()); + } + + template <unsigned n> + intsub<n> operator+(const intsub<n>& l, int r) + { + return l + intsub<n>(r); + } + + template <unsigned n> + intsub<n> operator+(int l, const intsub<n>& r) + { + return r + l; + } + + template <unsigned n> + void operator+=(intsub<n>& l, const intsub<n>& r) + { + l = l + r; + } + + template <unsigned n> + void operator+=(intsub<n>& l, int r) + { + l = l + intsub<n>(r); + } + + template <unsigned n> + intsub<n> operator-(const intsub<n>& l, const intsub<n>& r) + { + return intsub<n>::make_from_enc_(l.to_enc() - r.to_enc()); + } + + template <unsigned n> + intsub<n> operator-(const intsub<n>& l, int r) + { + return l - intsub<n>(r); + } + + template <unsigned n> + intsub<n> operator-(int l, const intsub<n>& r) + { + return - r + l; + } + + template <unsigned n> + void operator-=(intsub<n>& l, const intsub<n>& r) + { + l = l - r; + } + + template <unsigned n> + void operator-=(intsub<n>& l, int r) + { + l = l - intsub<n>(r); + } + + template <unsigned n> + intsub<n> operator*(const intsub<n>& l, const intsub<n>& r) + { + return intsub<n>::make_from_enc_(l.to_enc() * r.to_enc() / n); + } + + template <unsigned n> + intsub<n> operator*(const intsub<n>& l, int r) + { + return l * intsub<n>(r); + } + + template <unsigned n> + intsub<n> operator*(int l, const intsub<n>& r) + { + return r * l; + } + + template <unsigned n> + void operator*=(intsub<n>& l, const intsub<n>& r) + { + l = l * r; + } + + template <unsigned n> + void operator*=(intsub<n>& l, int r) + { + l = l * intsub<n>(r); + } + + +// other ops + + template <unsigned n> + intsub<n> min(const intsub<n>& v1, const intsub<n>& v2) + { + return intsub<n>::make_from_enc_(v1.to_enc() < v2.to_enc() ? v1.to_enc() : v2.to_enc()); + } + + template <unsigned n> + intsub<n> max(const intsub<n>& v1, const intsub<n>& v2) + { + return intsub<n>::make_from_enc_(v1.to_enc() > v2.to_enc() ? v1.to_enc() : v2.to_enc()); + } + + template <unsigned n> + intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2) + { + return intsub<n>::make_from_enc_((v1.to_enc() + v2.to_enc()) / 2); + } + + template <unsigned n> + intsub<n> mean(const intsub<n>& v1, const intsub<n>& v2, + const intsub<n>& v3, const intsub<n>& v4) + { + return intsub<n>::make_from_enc_((v1.to_enc() + v2.to_enc() + + v3.to_enc() + v4.to_enc()) / 4); + } + + +// << + + template <unsigned n> + std::ostream& + operator<<(std::ostream& ostr, const intsub<n>& i) + { + if (i.is_integer()) + return ostr << i.to_int(); + else + return ostr << floor(i).to_int() << ".5"; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::value + +} // end of namespace mln + +#endif // ! MLN_VALUE_INTSUB_HH diff --git a/milena/mln/value/unsignedh.hh b/milena/mln/value/unsignedh.hh deleted file mode 100644 index 1f0281c..0000000 --- a/milena/mln/value/unsignedh.hh +++ /dev/null @@ -1,415 +0,0 @@ -// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) -// -// This file is part of Olena. -// -// Olena is free software: you can redistribute it and/or modify it under -// the terms of the GNU General Public License as published by the Free -// Software Foundation, version 2 of the License. -// -// Olena is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with Olena. If not, see <http://www.gnu.org/licenses/>. -// -// As a special exception, you may use this file as part of a free -// software project without restriction. Specifically, if other files -// instantiate templates or use macros or inline functions from this -// file, or you compile this file and link it with other files to produce -// an executable, this file does not by itself cause the resulting -// executable to be covered by the GNU General Public License. This -// exception does not however invalidate any other reasons why the -// executable file might be covered by the GNU General Public License. - -#ifndef MLN_VALUE_UNSIGNEDH_HH -# define MLN_VALUE_UNSIGNEDH_HH - -/// \file -/// -/// Define a semi-unsigned value class. - -# include <cstdlib> -# include <iostream> -# include <sstream> - -// FIXME: parameterize unsignedh so that we also can have -// Z/4 and so on... - -namespace mln -{ - - namespace value - { - - - class unsignedh - { - public: - unsignedh(); - unsignedh(const unsignedh& rhs); - unsignedh(unsigned i); - unsignedh(int i); - - unsignedh& operator=(const unsignedh& rhs); - unsignedh& operator=(unsigned i); - unsignedh& operator=(int i); - - unsigned enc() const; - - /// Construct an unsignedh with value v - static unsignedh make(unsigned v); - /// Construct an unsignedh with value v. The given value is - /// rounded to the closest integer or half value. -// static unsignedh make(float v); - - bool is_integer() const; - - unsigned to_unsigned() const; - - /// Set this unsignedh to its next value and return itself. - unsignedh& goto_succ(); - - /// Set this unsignedh to its previous value and return itself. - unsignedh& goto_pred(); - - operator std::string() const; - - private: - unsigned enc_; - }; - - - extern const unsignedh half; - - -// next - - unsignedh succ(unsignedh i); - unsignedh pred(unsignedh i); - -// rounding - - unsignedh floor(unsignedh i); - unsignedh ceil(unsignedh i); - - -// comparison - - bool operator==(unsignedh l, unsignedh r); - bool operator<=(unsignedh l, unsignedh r); - bool operator!=(unsignedh l, unsignedh r); - bool operator>=(unsignedh l, unsignedh r); - bool operator>(unsignedh l, unsignedh r); - bool operator<(unsignedh l, unsignedh r); - -// arithmetics - - unsignedh operator+(unsignedh l, unsignedh r); - void operator+=(unsignedh& l, unsignedh r); - unsignedh operator-(unsignedh l, unsignedh r); - void operator-=(unsignedh& l, unsignedh r); - unsignedh operator/(unsignedh l, unsigned r); - -// other ops - - unsignedh min(unsignedh u1, unsignedh u2); - unsignedh max(unsignedh u1, unsignedh u2); - unsignedh mean(unsignedh u1, unsignedh u2); - -// for a transparent use of both unsigned and unsignedh -// FIXME: is it useful? - - unsigned decode(unsigned u); - void encode(unsigned u, unsigned& dst); - unsigned decode(unsignedh u); - void encode(unsigned u, unsignedh& dst); - -// << - - std::ostream& - operator<<(std::ostream& ostr, const unsignedh& i); - - -# ifndef MLN_INCLUDE_ONLY - - inline - unsignedh::unsignedh() - { - } - - inline - unsignedh::unsignedh(const unsignedh& rhs) - : enc_(rhs.enc_) - { - } - - - inline - unsignedh::unsignedh(unsigned i) - { - enc_ = 2 * i; - } - - inline - unsignedh::unsignedh(int i) - { - if (i < 0) - std::abort(); - enc_ = 2 * i; - } - - inline - unsignedh& - unsignedh::operator=(const unsignedh& rhs) - { - enc_ = rhs.enc_; - return *this; - } - - inline - unsignedh& - unsignedh::operator=(unsigned i) - { - enc_ = 2 * i; - return *this; - } - - inline - unsignedh& - unsignedh::operator=(int i) - { - if (i < 0) - std::abort(); - enc_ = 2 * i; - return *this; - } - - inline - unsigned - unsignedh::enc() const - { - return enc_; - } - - inline - unsignedh unsignedh::make(unsigned enc) - { - unsignedh i; - i.enc_ = enc; - return i; - } - - inline - bool - unsignedh::is_integer() const - { - return enc_ % 2 == 0; - } - - inline - unsigned - unsignedh::to_unsigned() const - { - if (! this->is_integer()) - std::abort(); - return enc_ / 2; - } - - inline - unsignedh& - unsignedh::goto_succ() - { - enc_ += 1; - return *this; - } - - inline - unsignedh& - unsignedh::goto_pred() - { - if (enc_ == 0) - std::abort(); - enc_ -= 1; - return *this; - } - - inline - unsignedh::operator std::string() const - { - std::stringstream s; - s << *this; - return s.str(); - } - - - -// half - -# ifndef MLN_WO_GLOBAL_VARS - - const unsignedh half = unsignedh::make(1u); - -# endif // ! MLN_WO_GLOBAL_VARS - - -// next - - unsignedh succ(unsignedh i) - { - return unsignedh::make(i.enc() + 1); - } - - unsignedh pred(unsignedh i) - { - if (i.enc() == 0) - std::abort(); - return unsignedh::make(i.enc() - 1); - } - - - -// rounding - - unsignedh floor(unsignedh i) - { - return i.is_integer() ? i : pred(i); - } - - unsignedh ceil(unsignedh i) - { - return i.is_integer() ? i : succ(i); - } - - - -// comparison - - bool operator==(unsignedh l, unsignedh r) - { - return l.enc() == r.enc(); - } - - bool operator<=(unsignedh l, unsignedh r) - { - return l.enc() <= r.enc(); - } - - bool operator!=(unsignedh l, unsignedh r) - { - return ! (l == r); - } - - bool operator>=(unsignedh l, unsignedh r) - { - return r <= l; - } - - bool operator>(unsignedh l, unsignedh r) - { - return ! (l <= r); - } - - bool operator<(unsignedh l, unsignedh r) - { - return r > l; - } - - - -// arithmetics - - unsignedh operator+(unsignedh l, unsignedh r) - { - return unsignedh::make(l.enc() + r.enc()); - } - - void operator+=(unsignedh& l, unsignedh r) - { - l = l + r; - } - - unsignedh operator-(unsignedh l, unsignedh r) - { - if (r > l) - std::abort(); - return unsignedh::make(l.enc() - r.enc()); - } - - void operator-=(unsignedh& l, unsignedh r) - { - if (r > l) - std::abort(); - l = l - r; - } - - unsignedh operator/(unsignedh l, unsigned r) - { - if (l.enc() % r != 0) - std::abort(); - return unsignedh::make(l.enc() / r); - } - - - -// other ops - - unsignedh min(unsignedh u1, unsignedh u2) - { - return unsignedh::make(u1.enc() < u2.enc() ? u1.enc() : u2.enc()); - } - - unsignedh max(unsignedh u1, unsignedh u2) - { - return unsignedh::make(u1.enc() > u2.enc() ? u1.enc() : u2.enc()); - } - - unsignedh mean(unsignedh u1, unsignedh u2) - { - return (u1 + u2) / 2; - } - - -// for a transparent use of both unsigned and unsignedh -// FIXME: is it useful? - - unsigned decode(unsigned u) - { - return u; - } - - void encode(unsigned u, unsigned& dst) - { - dst = u; - } - - unsigned decode(unsignedh u) - { - return u.enc(); - } - - void encode(unsigned u, unsignedh& dst) - { - dst = unsignedh::make(u); - } - - -// << - - std::ostream& - operator<<(std::ostream& ostr, const unsignedh& i) - { - if (i.is_integer()) - return ostr << i.to_unsigned(); - else - return ostr << floor(i).to_unsigned() << ".5"; - } - -# endif // ! MLN_INCLUDE_ONLY - - } // end of namespace mln::value - -} // end of namespace mln - -#endif // ndef UNSIGNEDH_HH diff --git a/milena/tests/value/Makefile.am b/milena/tests/value/Makefile.am index fb654fa..8d6718f 100644 --- a/milena/tests/value/Makefile.am +++ b/milena/tests/value/Makefile.am @@ -36,7 +36,7 @@ check_PROGRAMS = \ scalar \ set \ sign \ - unsignedh + intsub # float01 # float01_bis # float01_f @@ -61,7 +61,7 @@ rgb8_SOURCES = rgb8.cc scalar_SOURCES = scalar.cc set_SOURCES = set.cc sign_SOURCES = sign.cc -unsignedh_SOURCES = unsignedh.cc +intsub_SOURCES = intsub.cc #<<lrde # FIXME: Not distributed (yet). diff --git a/milena/tests/value/unsignedh.cc b/milena/tests/value/intsub.cc similarity index 65% rename from milena/tests/value/unsignedh.cc rename to milena/tests/value/intsub.cc index ca98a59..e324fe3 100644 --- a/milena/tests/value/unsignedh.cc +++ b/milena/tests/value/intsub.cc @@ -26,19 +26,53 @@ /// \file #include <cassert> -#include <mln/value/unsignedh.hh> - +#include <mln/value/intsub.hh> +#include <mln/value/inc.hh> +#include <mln/value/dec.hh> +#include <mln/value/succ.hh> +#include <mln/value/prev.hh> +#include <mln/math/mean.hh> int main() { + using namespace mln; using namespace mln::value; - unsignedh i = 2; - i.goto_succ(); + // i == 2 + intsub<2> i = 2; + inc(i); // i == 2.5 - assert(i == 2 + half); + mln_assertion(i == half + 2); // (2.5 + 0.5) / 2 == 1.5 - assert(mean(i, half) == 1 + half); + mln_assertion(mean(i, half) == 1 + half); + + // i == 3 + inc(i); + mln_assertion(i == intsub<2>(3)); + + // i == 2.5 + dec(i); + mln_assertion(i == intsub<2>(2,2)); + dec(i); + + // i == 2.5 + mln_assertion(succ(i) == 2 + half); + + // i == 1.5 + mln_assertion(prev(i) == 2 - half); + + // i == 6 + i *= 3; + mln_assertion(i == 6); + + // j = 6 + intsub<4> j = i; + mln_assertion(j == 6); + + // j = 6.25 + inc(j); + mln_assertion(j == 6 + quarter); + } -- 1.7.2.5

11 years, 7 months

branch exp/moravec created: olena-2.0-29-g53b274c

by git＠lrde.epita.fr

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Olena, a generic and efficient image processing platform". The branch exp/moravec has been created at 53b274c8427ab68df0439ec68ef3af9361d64f17 (commit) - Log ----------------------------------------------------------------- 53b274c Configure Makefiles under milena/tests/detection. f7be478 Add test for Moravec corner detection. 63675c3 Add Moravec corner detection. ----------------------------------------------------------------------- hooks/post-receive -- Olena, a generic and efficient image processing platform

11 years, 7 months

olena-2.0-32-ge5977cb New routines to browse values into a value set.

by Guillaume Lazzara

* mln/accu/label_used.hh, * mln/core/internal/labeled_image_base.hh, * mln/labeling/colorize.hh, * mln/labeling/compute.hh, * mln/labeling/superpose.hh, * mln/make/relabelfun.hh, * mln/set/compute_with_weights.hh, * mln/value/label.hh, * mln/value/range.hh: Rename value::next to value::succ. * mln/value/dec.hh, * mln/value/inc.hh, * mln/value/iota.hh, * mln/value/next.hh, * mln/value/prev.hh, * mln/value/succ.hh: New. --- milena/ChangeLog | 21 ++++++ milena/mln/accu/label_used.hh | 2 +- milena/mln/core/internal/labeled_image_base.hh | 2 +- milena/mln/labeling/colorize.hh | 2 +- milena/mln/labeling/compute.hh | 22 +++--- milena/mln/labeling/superpose.hh | 2 +- milena/mln/make/relabelfun.hh | 4 +- milena/mln/set/compute_with_weights.hh | 2 +- milena/mln/value/{next.hh => dec.hh} | 66 +++++++------------- milena/mln/value/{next.hh => inc.hh} | 66 +++++++------------- .../{world/k1/is_0_or_1_face.hh => value/iota.hh} | 59 ++++++++++-------- milena/mln/value/label.hh | 8 +- milena/mln/value/{next.hh => prev.hh} | 54 ++++++---------- milena/mln/value/range.hh | 4 +- milena/mln/value/{next.hh => succ.hh} | 51 +++++---------- 15 files changed, 162 insertions(+), 203 deletions(-) copy milena/mln/value/{next.hh => dec.hh} (68%) copy milena/mln/value/{next.hh => inc.hh} (68%) copy milena/mln/{world/k1/is_0_or_1_face.hh => value/iota.hh} (64%) copy milena/mln/value/{next.hh => prev.hh} (69%) rename milena/mln/value/{next.hh => succ.hh} (72%) diff --git a/milena/ChangeLog b/milena/ChangeLog index 4ff88af..ea274e2 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,24 @@ +2012-10-03 Guillaume Lazzara <z(a)lrde.epita.fr> + + New routines to browse values into a value set. + + * mln/accu/label_used.hh, + * mln/core/internal/labeled_image_base.hh, + * mln/labeling/colorize.hh, + * mln/labeling/compute.hh, + * mln/labeling/superpose.hh, + * mln/make/relabelfun.hh, + * mln/set/compute_with_weights.hh, + * mln/value/label.hh, + * mln/value/range.hh: Rename value::next to value::succ. + + * mln/value/dec.hh, + * mln/value/inc.hh, + * mln/value/iota.hh, + * mln/value/next.hh, + * mln/value/prev.hh, + * mln/value/succ.hh: New. + 2012-09-28 Guillaume Lazzara <z(a)lrde.epita.fr> New value types. diff --git a/milena/mln/accu/label_used.hh b/milena/mln/accu/label_used.hh index 69121b1..37fb459 100644 --- a/milena/mln/accu/label_used.hh +++ b/milena/mln/accu/label_used.hh @@ -118,7 +118,7 @@ namespace mln label_used<L>::take(const argument& l) { if (label_used_.size() <= l) - label_used_.resize(value::next(l), false); + label_used_.resize(value::succ(l), false); label_used_(l) = true; } diff --git a/milena/mln/core/internal/labeled_image_base.hh b/milena/mln/core/internal/labeled_image_base.hh index 45f3ed2..a80e5b8 100644 --- a/milena/mln/core/internal/labeled_image_base.hh +++ b/milena/mln/core/internal/labeled_image_base.hh @@ -281,7 +281,7 @@ namespace mln labeled_image_base<I,E>::update_data(const fun::i2v::array<mln_value(I)>& relabel_fun) { util::array<accu::shape::bbox<mln_psite(I)> > - new_bboxes(mln::value::next(this->data_->nlabels_)); + new_bboxes(mln::value::succ(this->data_->nlabels_)); exact(this)->init_update_data_(); diff --git a/milena/mln/labeling/colorize.hh b/milena/mln/labeling/colorize.hh index ddfbb15..ba876a7 100644 --- a/milena/mln/labeling/colorize.hh +++ b/milena/mln/labeling/colorize.hh @@ -198,7 +198,7 @@ namespace mln // mlc_is_a(mln_value(L), mln::value::Symbolic)::check(); (void) value; - unsigned label_count = value::next(nlabels); + unsigned label_count = value::succ(nlabels); static fun::i2v::array<V> f(0); int diff_size = f.size() - label_count; if (diff_size < 0) diff --git a/milena/mln/labeling/compute.hh b/milena/mln/labeling/compute.hh index a9dc791..4ad48b5 100644 --- a/milena/mln/labeling/compute.hh +++ b/milena/mln/labeling/compute.hh @@ -211,7 +211,7 @@ namespace mln const A& a = exact(a_); const L& label = exact(label_); - util::array<A> accus(value::next(nlabels), a); + util::array<A> accus(value::succ(nlabels), a); mln_piter(L) p(label.domain()); for_all(p) @@ -245,12 +245,12 @@ namespace mln trace::entering("labeling::impl::generic::compute"); internal::compute_tests(A(), label_, nlabels); - if (value::next(nlabels) != accus.size()) + if (value::succ(nlabels) != accus.size()) { accus.resize(0); // Make sure all the accumulators are // re-initialized when resizing on next // line. - accus.resize(value::next(nlabels)); + accus.resize(value::succ(nlabels)); } const L& label = exact(label_); @@ -292,7 +292,7 @@ namespace mln const I& input = exact(input_); const L& label = exact(label_); - util::array<A> accus(value::next(nlabels), a); + util::array<A> accus(value::succ(nlabels), a); mln_piter(I) p(input.domain()); for_all(p) @@ -331,12 +331,12 @@ namespace mln const L& label = exact(label_); (void) nlabels; - if (value::next(nlabels) != accus.size()) + if (value::succ(nlabels) != accus.size()) { accus.resize(0); // Make sure all the accumulators are // re-initialized when resizing on next // line. - accus.resize(value::next(nlabels)); + accus.resize(value::succ(nlabels)); } mln_piter(I) p(input.domain()); @@ -384,7 +384,7 @@ namespace mln // FIXME: check image properties + add doc. - util::array<A> accus(value::next(nlabels), a); + util::array<A> accus(value::succ(nlabels), a); unsigned ncols = geom::ncols(label); @@ -439,12 +439,12 @@ namespace mln const L& label = exact(label_); (void) nlabels; - if (value::next(nlabels) != accus.size()) + if (value::succ(nlabels) != accus.size()) { accus.resize(0); // Make sure all the accumulators are // re-initialized when resizing on next // line. - accus.resize(value::next(nlabels)); + accus.resize(value::succ(nlabels)); } unsigned ncols = geom::ncols(label); @@ -757,7 +757,7 @@ namespace mln typedef util::array<mln_result(A)> R; R res = internal::compute_dispatch(accus, label, nlabels); - mln_postcondition(res.nelements() == value::next(nlabels)); + mln_postcondition(res.nelements() == value::succ(nlabels)); trace::exiting("labeling::compute"); return res; @@ -779,7 +779,7 @@ namespace mln typedef util::array<mln_result(A)> R; R res = internal::compute_dispatch(a, label, nlabels); - mln_postcondition(res.nelements() == value::next(nlabels)); + mln_postcondition(res.nelements() == value::succ(nlabels)); trace::exiting("labeling::compute"); return res; diff --git a/milena/mln/labeling/superpose.hh b/milena/mln/labeling/superpose.hh index 1df647c..e063912 100644 --- a/milena/mln/labeling/superpose.hh +++ b/milena/mln/labeling/superpose.hh @@ -98,7 +98,7 @@ namespace mln mln_concrete(I) output = duplicate(lhs); util::array<mln_value(J)> - rebase_lbl(value::next(rhs_nlabels)); + rebase_lbl(value::succ(rhs_nlabels)); rebase_lbl(0) = 0; for (unsigned i = 1; i <= rhs_nlabels; ++i) diff --git a/milena/mln/make/relabelfun.hh b/milena/mln/make/relabelfun.hh index bc423fb..3ec38cb 100644 --- a/milena/mln/make/relabelfun.hh +++ b/milena/mln/make/relabelfun.hh @@ -88,7 +88,7 @@ namespace mln const F& fv2b = exact(fv2b_); - unsigned nlabels_i = value::next(nlabels); + unsigned nlabels_i = value::succ(nlabels); V tmp_nlabels = literal::zero; fun::i2v::array<V> fi2v(nlabels_i, literal::zero); for (V i = 1; i < nlabels_i; ++i) @@ -111,7 +111,7 @@ namespace mln const F& fv2v = exact(fv2v_); - unsigned nlabels_i = value::next(nlabels); + unsigned nlabels_i = value::succ(nlabels); util::array<V> new_labels(nlabels_i, mln_max(V)); new_labels(0) = literal::zero; diff --git a/milena/mln/set/compute_with_weights.hh b/milena/mln/set/compute_with_weights.hh index 24da256..2612498 100644 --- a/milena/mln/set/compute_with_weights.hh +++ b/milena/mln/set/compute_with_weights.hh @@ -189,7 +189,7 @@ namespace mln internal::compute_with_weights_tests(a, w, label); - util::array<A> accus(value::next(nlabels), a); + util::array<A> accus(value::succ(nlabels), a); mln_piter(I) p(w.domain()); for_all(p) diff --git a/milena/mln/value/next.hh b/milena/mln/value/dec.hh similarity index 68% copy from milena/mln/value/next.hh copy to milena/mln/value/dec.hh index b9bc06e..7b0e05b 100644 --- a/milena/mln/value/next.hh +++ b/milena/mln/value/dec.hh @@ -24,15 +24,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_VALUE_NEXT_HH -# define MLN_VALUE_NEXT_HH +#ifndef MLN_VALUE_DEC_HH +# define MLN_VALUE_DEC_HH /// \file /// -/// Return the next value. +/// Return the dec value. +# include <mln/value/iota.hh> # include <mln/value/label.hh> -# include <mln/value/unsignedh.hh> namespace mln @@ -42,8 +42,8 @@ namespace mln { template <typename V> - V - next(const V&); + void + dec(V&); # ifndef MLN_INCLUDE_ONLY @@ -58,30 +58,20 @@ namespace mln { template <typename V> - inline - V - next(const V& v) + void + dec(V& v) { - return v + 1; + v -= mln::value::iota<V>::value(); } } // end of namespace mln::value::implementation::generic - template <unsigned n> - inline - mln::value::label<n> - next_label(const mln::value::label<n>& v) - { - return v.next(); - } - - - inline - mln::value::unsignedh - next_unsignedh(const mln::value::unsignedh& v) + template <typename V> + void + dec_label(V& v) { - return mln::value::succ(v); + --v; } } // end of namespace mln::value::implementation @@ -94,26 +84,17 @@ namespace mln { template <unsigned n> - inline - label<n> - next_dispatch(const label<n>& v) - { - return implementation::next_label(v); - } - - inline - unsignedh - next_dispatch(const unsignedh& v) + void + dec_dispatch(label<n>& v) { - return implementation::next_unsignedh(v); + implementation::dec_label(v); } template <typename V> - inline - V - next_dispatch(const V& v) + void + dec_dispatch(V& v) { - return implementation::generic::next(v); + implementation::generic::dec(v); } } // end of namespace mln::value::internal @@ -123,11 +104,10 @@ namespace mln // Facade template <typename V> - inline - V - next(const V& v) + void + dec(V& v) { - return internal::next_dispatch(v); + internal::dec_dispatch(v); } @@ -138,4 +118,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_VALUE_NEXT_HH +#endif // ! MLN_VALUE_DEC_HH diff --git a/milena/mln/value/next.hh b/milena/mln/value/inc.hh similarity index 68% copy from milena/mln/value/next.hh copy to milena/mln/value/inc.hh index b9bc06e..80fc625 100644 --- a/milena/mln/value/next.hh +++ b/milena/mln/value/inc.hh @@ -24,15 +24,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_VALUE_NEXT_HH -# define MLN_VALUE_NEXT_HH +#ifndef MLN_VALUE_INC_HH +# define MLN_VALUE_INC_HH /// \file /// -/// Return the next value. +/// Return the inc value. +# include <mln/value/iota.hh> # include <mln/value/label.hh> -# include <mln/value/unsignedh.hh> namespace mln @@ -42,8 +42,8 @@ namespace mln { template <typename V> - V - next(const V&); + void + inc(V&); # ifndef MLN_INCLUDE_ONLY @@ -58,30 +58,20 @@ namespace mln { template <typename V> - inline - V - next(const V& v) + void + inc(V& v) { - return v + 1; + v += mln::value::iota<V>::value(); } } // end of namespace mln::value::implementation::generic - template <unsigned n> - inline - mln::value::label<n> - next_label(const mln::value::label<n>& v) - { - return v.next(); - } - - - inline - mln::value::unsignedh - next_unsignedh(const mln::value::unsignedh& v) + template <typename V> + void + inc_label(V& v) { - return mln::value::succ(v); + ++v; } } // end of namespace mln::value::implementation @@ -94,26 +84,17 @@ namespace mln { template <unsigned n> - inline - label<n> - next_dispatch(const label<n>& v) - { - return implementation::next_label(v); - } - - inline - unsignedh - next_dispatch(const unsignedh& v) + void + inc_dispatch(label<n>& v) { - return implementation::next_unsignedh(v); + implementation::inc_label(v); } template <typename V> - inline - V - next_dispatch(const V& v) + void + inc_dispatch(V& v) { - return implementation::generic::next(v); + implementation::generic::inc(v); } } // end of namespace mln::value::internal @@ -123,11 +104,10 @@ namespace mln // Facade template <typename V> - inline - V - next(const V& v) + void + inc(V& v) { - return internal::next_dispatch(v); + internal::inc_dispatch(v); } @@ -138,4 +118,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_VALUE_NEXT_HH +#endif // ! MLN_VALUE_INC_HH diff --git a/milena/mln/world/k1/is_0_or_1_face.hh b/milena/mln/value/iota.hh similarity index 64% copy from milena/mln/world/k1/is_0_or_1_face.hh copy to milena/mln/value/iota.hh index 6f3f47a..bdad60c 100644 --- a/milena/mln/world/k1/is_0_or_1_face.hh +++ b/milena/mln/value/iota.hh @@ -23,49 +23,58 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. +#ifndef MLN_VALUE_IOTA_HH +# define MLN_VALUE_IOTA_HH + /// \file /// -/// \brief Check if site is a 1 face. - -#ifndef MLN_WORLD_K1_IS_0_OR_1_FACE_HH -# define MLN_WORLD_K1_IS_0_OR_1_FACE_HH - -# include <mln/core/alias/point2d.hh> -# include <mln/world/k1/internal/face_dim.hh> - +/// Define a functor returning the smallest next value in a given +/// type. namespace mln { - namespace world + namespace value { - namespace k1 + /// Define a functor returning the smallest next value in a + /// given type. + template <typename T> + struct iota; + + /// Specialization of \ref mln::value::internal::iota for unsigned. + template <> + struct iota<unsigned> { + static unsigned value(); + }; - /// \brief Check if site is a 1 face - bool is_0_or_1_face(const point2d& p); + /// Specialization of \ref mln::value::internal::iota for int. + template <> + struct iota<int> + { + static int value(); + }; # ifndef MLN_INCLUDE_ONLY + unsigned + iota<unsigned>::value() + { + return 1u; + } - // Facade - - inline - bool is_0_or_1_face(const point2d& p) - { - unsigned dim = internal::face_dim(p); - return dim == 0 || dim == 1; - } - + int + iota<int>::value() + { + return 1; + } # endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::world::k1 - - } // end of namespace mln::world + } // end of namespace mln::value } // end of namespace mln -#endif // ! MLN_WORLD_K1_IS_0_OR_1_FACE_HH +#endif // MLN_VALUE_IOTA_HH diff --git a/milena/mln/value/label.hh b/milena/mln/value/label.hh index 5c983e5..f74662f 100644 --- a/milena/mln/value/label.hh +++ b/milena/mln/value/label.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2007, 2008, 2009, 2010, 2011 EPITA Research and +// Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 EPITA Research and // Development Laboratory (LRDE) // // This file is part of Olena. @@ -173,8 +173,8 @@ namespace mln /// Self decrement. label<n>& operator--(); - /// Return the next value. - label<n> next() const; + /// Return the successive value. + label<n> succ() const; /// Return the previous value. label<n> prev() const; @@ -335,7 +335,7 @@ namespace mln template <unsigned n> inline label<n> - label<n>::next() const + label<n>::succ() const { return label<n>(this->v_ + 1); } diff --git a/milena/mln/value/next.hh b/milena/mln/value/prev.hh similarity index 69% copy from milena/mln/value/next.hh copy to milena/mln/value/prev.hh index b9bc06e..93221c5 100644 --- a/milena/mln/value/next.hh +++ b/milena/mln/value/prev.hh @@ -1,5 +1,4 @@ -// Copyright (C) 2010, 2012 EPITA Research and Development Laboratory -// (LRDE) +// Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE) // // This file is part of Olena. // @@ -24,15 +23,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_VALUE_NEXT_HH -# define MLN_VALUE_NEXT_HH +#ifndef MLN_VALUE_PREV_HH +# define MLN_VALUE_PREV_HH /// \file /// -/// Return the next value. +/// Return the prev value. +# include <mln/value/iota.hh> # include <mln/value/label.hh> -# include <mln/value/unsignedh.hh> namespace mln @@ -43,7 +42,7 @@ namespace mln template <typename V> V - next(const V&); + prev(const V&); # ifndef MLN_INCLUDE_ONLY @@ -60,28 +59,20 @@ namespace mln template <typename V> inline V - next(const V& v) + prev(const V& v) { - return v + 1; + return v - mln::value::iota<V>::value(); } } // end of namespace mln::value::implementation::generic - template <unsigned n> - inline - mln::value::label<n> - next_label(const mln::value::label<n>& v) - { - return v.next(); - } - - + template <typename V> inline - mln::value::unsignedh - next_unsignedh(const mln::value::unsignedh& v) + V + prev_method(const V& v) { - return mln::value::succ(v); + return v.prev(); } } // end of namespace mln::value::implementation @@ -96,24 +87,17 @@ namespace mln template <unsigned n> inline label<n> - next_dispatch(const label<n>& v) - { - return implementation::next_label(v); - } - - inline - unsignedh - next_dispatch(const unsignedh& v) + prev_dispatch(const label<n>& v) { - return implementation::next_unsignedh(v); + return implementation::prev_method(v); } template <typename V> inline V - next_dispatch(const V& v) + prev_dispatch(const V& v) { - return implementation::generic::next(v); + return implementation::generic::prev(v); } } // end of namespace mln::value::internal @@ -125,9 +109,9 @@ namespace mln template <typename V> inline V - next(const V& v) + prev(const V& v) { - return internal::next_dispatch(v); + return internal::prev_dispatch(v); } @@ -138,4 +122,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_VALUE_NEXT_HH +#endif // ! MLN_VALUE_PREV_HH diff --git a/milena/mln/value/range.hh b/milena/mln/value/range.hh index ca8f2f4..5c90de7 100644 --- a/milena/mln/value/range.hh +++ b/milena/mln/value/range.hh @@ -233,7 +233,7 @@ namespace mln { unsigned n = 1; T v = lower_; - for (; v != upper_; v = value::next(v)) + for (; v != upper_; v = value::succ(v)) n += 1; return n; @@ -323,7 +323,7 @@ namespace mln are_adjacent(const range<T>& r1, const range<T>& r2) { return span(r1, r2).length() == r1.length() + r2.length() - + (value::next(r2.lower()) - r2.lower()); + + (value::succ(r2.lower()) - r2.lower()); } template <typename T> diff --git a/milena/mln/value/next.hh b/milena/mln/value/succ.hh similarity index 72% rename from milena/mln/value/next.hh rename to milena/mln/value/succ.hh index b9bc06e..4877727 100644 --- a/milena/mln/value/next.hh +++ b/milena/mln/value/succ.hh @@ -24,15 +24,15 @@ // exception does not however invalidate any other reasons why the // executable file might be covered by the GNU General Public License. -#ifndef MLN_VALUE_NEXT_HH -# define MLN_VALUE_NEXT_HH +#ifndef MLN_VALUE_SUCC_HH +# define MLN_VALUE_SUCC_HH /// \file /// -/// Return the next value. +/// Return the succ value. +# include <mln/value/iota.hh> # include <mln/value/label.hh> -# include <mln/value/unsignedh.hh> namespace mln @@ -43,7 +43,7 @@ namespace mln template <typename V> V - next(const V&); + succ(const V&); # ifndef MLN_INCLUDE_ONLY @@ -60,28 +60,20 @@ namespace mln template <typename V> inline V - next(const V& v) + succ(const V& v) { - return v + 1; + return v + mln::value::iota<V>::value(); } } // end of namespace mln::value::implementation::generic - template <unsigned n> - inline - mln::value::label<n> - next_label(const mln::value::label<n>& v) - { - return v.next(); - } - - + template <typename V> inline - mln::value::unsignedh - next_unsignedh(const mln::value::unsignedh& v) + V + succ_method(const V& v) { - return mln::value::succ(v); + return v.succ(); } } // end of namespace mln::value::implementation @@ -96,24 +88,17 @@ namespace mln template <unsigned n> inline label<n> - next_dispatch(const label<n>& v) - { - return implementation::next_label(v); - } - - inline - unsignedh - next_dispatch(const unsignedh& v) + succ_dispatch(const label<n>& v) { - return implementation::next_unsignedh(v); + return implementation::succ_method(v); } template <typename V> inline V - next_dispatch(const V& v) + succ_dispatch(const V& v) { - return implementation::generic::next(v); + return implementation::generic::succ(v); } } // end of namespace mln::value::internal @@ -125,9 +110,9 @@ namespace mln template <typename V> inline V - next(const V& v) + succ(const V& v) { - return internal::next_dispatch(v); + return internal::succ_dispatch(v); } @@ -138,4 +123,4 @@ namespace mln } // end of namespace mln -#endif // ! MLN_VALUE_NEXT_HH +#endif // ! MLN_VALUE_SUCC_HH -- 1.7.2.5

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Olena-patches October 2012