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// binary arithmetic simd functions
// Copyright (C) 2010 Tim Blechmann
//
// This program 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; either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef SIMD_BINARY_ARITHMETIC_HPP
#define SIMD_BINARY_ARITHMETIC_HPP
#include <functional>
#include <algorithm>
#include "vec.hpp"
#include "detail/unroll_helpers.hpp"
#include "detail/define_macros.hpp"
#if defined(__GNUC__) && defined(NDEBUG)
#define always_inline inline __attribute__((always_inline))
#else
#define always_inline inline
#endif
namespace nova {
namespace detail {
struct plus
{
template<typename FloatType>
FloatType operator()(FloatType const & arg1, FloatType const & arg2) const
{
return arg1 + arg2;
}
};
struct minus
{
template<typename FloatType>
FloatType operator()(FloatType const & arg1, FloatType const & arg2) const
{
return arg1 - arg2;
}
};
struct multiplies
{
template<typename FloatType>
FloatType operator()(FloatType const & arg1, FloatType const & arg2) const
{
return arg1 * arg2;
}
};
struct divides
{
template<typename FloatType>
FloatType operator()(FloatType const & arg1, FloatType const & arg2) const
{
return arg1 / arg2;
}
};
struct clip2
{
template<typename FloatType>
FloatType operator()(FloatType const & f, FloatType const & limit) const
{
FloatType zero = 0.0;
FloatType neg = zero - FloatType(limit);
return max_(neg, min_(f, limit));
}
};
struct min_functor
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return min_(x, y);
}
};
struct max_functor
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return max_(x, y);
}
};
struct less
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return x < y;
}
};
struct less_equal
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return x <= y;
}
};
struct greater
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return x > y;
}
};
struct greater_equal
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return x >= y;
}
};
struct equal_to
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return x == y;
}
};
struct not_equal_to
{
template<typename FloatType>
FloatType operator()(FloatType const & x, FloatType const & y) const
{
return x != y;
}
};
} /* namespace detail */
NOVA_SIMD_DEFINE_BINARY_WRAPPER(plus, detail::plus)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(minus, detail::minus)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(times, detail::multiplies)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(over, detail::divides)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(min, detail::min_functor)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(max, detail::max_functor)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(less, detail::less)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(less_equal, detail::less_equal)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(greater, detail::greater)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(greater_equal, detail::greater_equal)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(equal, detail::equal_to)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(notequal, detail::not_equal_to)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(clip2, detail::clip2)
} /* namespace nova */
#undef always_inline
#endif /* SIMD_BINARY_ARITHMETIC_HPP */
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