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// simd functions for mixing
// Copyright (C) 2009 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_MIX_HPP
#define SIMD_MIX_HPP
#include "vec.hpp"
#include "detail/define_macros.hpp"
#include "detail/wrap_argument_vector.hpp"
namespace nova
{
#if defined(__GNUC__) && defined(NDEBUG)
#define always_inline inline __attribute__((always_inline))
#else
#define always_inline inline
#endif
namespace detail {
struct scaled_mix2
{
template<typename ArgType>
always_inline ArgType operator()(ArgType sig0, ArgType factor0, ArgType sig1, ArgType factor1) const
{
return sig0 * factor0 + sig1 * factor1;
}
};
struct sum
{
template<typename ArgType>
always_inline ArgType operator()(ArgType sig0, ArgType sig1) const
{
return sig0 + sig1;
}
template<typename ArgType>
always_inline ArgType operator()(ArgType sig0, ArgType sig1, ArgType sig2) const
{
return sig0 + sig1 + sig2;
}
template<typename ArgType>
always_inline ArgType operator()(ArgType sig0, ArgType sig1, ArgType sig2, ArgType sig3) const
{
return (sig0 + sig1) + (sig2 + sig3);
}
};
}
NOVA_SIMD_DEFINE_4ARY_WRAPPER(mix, detail::scaled_mix2)
NOVA_SIMD_DEFINE_BINARY_WRAPPER(sum, detail::sum)
NOVA_SIMD_DEFINE_TERNARY_WRAPPER(sum, detail::sum)
NOVA_SIMD_DEFINE_4ARY_WRAPPER(sum, detail::sum)
}
#undef always_inline
#endif /* SIMD_MIX_HPP */
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