[Olena-patches] milena r1258: Add float_f value

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2007-10-05 Matthieu Garrigues &lt;garrigues(a)lrde.epita.fr&gt; Add float_f value. * mln/value/float01_f.hh: New. * tests/value_float01_f.cc: New. --- mln/value/float01_f.hh | 129 +++++++++++++++++++++++++++++++++++++++++++++++ tests/value_float01_f.cc | 39 ++++++++++++++ 2 files changed, 168 insertions(+) Index: trunk/milena/tests/value_float01_f.cc =================================================================== --- trunk/milena/tests/value_float01_f.cc (revision 0) +++ trunk/milena/tests/value_float01_f.cc (revision 1258) @@ -0,0 +1,39 @@ +// Copyright (C) 2007 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library 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 this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library 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. + +#include <iostream> +#include <mln/value/float01_f.hh> + +int main() +{ + using typename mln::value::float01_f; + float01_f x = 0.5; + + std::cout << x + 21.25 << std::endl; + + x = x + 34; +} Index: trunk/milena/mln/value/float01_f.hh =================================================================== --- trunk/milena/mln/value/float01_f.hh (revision 0) +++ trunk/milena/mln/value/float01_f.hh (revision 1258) @@ -0,0 +1,129 @@ +// Copyright (C) 2006, 2007 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library 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 this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library 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_CORE_VALUE_FLOAT01_F_HH +# define MLN_CORE_VALUE_FLOAT01_F_HH + +# include <iostream> +# include <mln/value/internal/value_like.hh> +# include <mln/value/concept/floating.hh> +# include <mln/value/props.hh> + +namespace mln +{ + + namespace value + { + + /// Fwd decl. + class float01; + + + /// General float01-level class on n bits. + class float01_f + : public Floating< float01_f >, + public internal::value_like_< float, + float01_f > + { + public: + + /// Ctor. + float01_f(); + + /// Ctor. + float01_f(const float val); + + /// Access to std type. + float value() const; + + /// Op encoding_t. + operator float() const; + + float01_f& operator=(const float val); + /// Op==. + // bool operator==(const float01_f& rhs) const; + + protected: + float val_; + }; + + template <> + struct props< float01_f > + { + static const std::size_t card_ = 0; + static const float min() { return 0; } + static const float max() { return 1; } + //static const unsigned nbits = n; + typedef trait::kind::data kind; + typedef float sum; + typedef float interop; + }; + +# ifndef MLN_INCLUDE_ONLY + + // Float01_F. + + float01_f::float01_f() + : val_(0) + { + } + + float01_f::float01_f(const float val) + : val_(val) + { + mln_precondition(val >= 0); + mln_precondition(val <= 1); + } + + float + float01_f::value() const + { + return (val_); + } + + float01_f& + float01_f::operator=(const float val) + { + mln_precondition(val >= 0); + mln_precondition(val <= 1); + this->val_ = val; + return *this; + } + + float01_f::operator float() const + { + return val_; + } + +# endif + + + } // end of namespace mln::value + +} // end of namespace mln + +#endif // ! MLN_CORE_VALUE_FLOAT01_F_HH