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// scalar signal argument wrappers
// 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 NOVA_SIMD_WRAP_ARGUMENTS_HPP
#define NOVA_SIMD_WRAP_ARGUMENTS_HPP
#if defined(__GNUC__) && defined(NDEBUG)
#define always_inline inline __attribute__((always_inline))
#else
#define always_inline inline
#endif
namespace nova {
namespace detail {
template <typename FloatType>
struct scalar_pointer_argument
{
always_inline explicit scalar_pointer_argument(const FloatType * arg):
data(arg)
{}
always_inline void increment(void)
{
data += 1;
}
always_inline FloatType get(void) const
{
return *data;
}
always_inline FloatType consume(void)
{
FloatType ret = *data;
increment();
return ret;
}
const FloatType * data;
};
template <typename FloatType>
struct scalar_scalar_argument
{
always_inline explicit scalar_scalar_argument(FloatType const & arg):
data(arg)
{}
always_inline void increment(void)
{}
always_inline FloatType get(void) const
{
return data;
}
always_inline FloatType consume(void)
{
return data;
}
FloatType data;
};
template <typename FloatType>
struct scalar_ramp_argument
{
always_inline scalar_ramp_argument(FloatType const & base, FloatType const & slope):
data(base), slope_(slope)
{}
always_inline void increment(void)
{
data += slope_;
}
always_inline FloatType get(void) const
{
return data;
}
always_inline FloatType consume(void)
{
FloatType ret = data;
increment();
return ret;
}
FloatType data;
const FloatType slope_;
};
}
always_inline detail::scalar_scalar_argument<float> wrap_argument(float arg)
{
return detail::scalar_scalar_argument<float>(arg);
}
always_inline detail::scalar_scalar_argument<double> wrap_argument(double arg)
{
return detail::scalar_scalar_argument<double>(arg);
}
always_inline detail::scalar_pointer_argument<float> wrap_argument(const float * arg)
{
return detail::scalar_pointer_argument<float>(arg);
}
always_inline detail::scalar_pointer_argument<double> wrap_argument(const double * arg)
{
return detail::scalar_pointer_argument<double>(arg);
}
template <typename FloatType>
always_inline detail::scalar_ramp_argument<FloatType> wrap_argument(FloatType base, FloatType slope)
{
return detail::scalar_ramp_argument<FloatType>(base, slope);
}
template <typename FloatType>
always_inline detail::scalar_scalar_argument<FloatType>
wrap_argument(detail::scalar_scalar_argument<FloatType> const & f)
{
return f;
}
template <typename FloatType>
always_inline detail::scalar_pointer_argument<FloatType>
wrap_argument(detail::scalar_pointer_argument<FloatType> const & f)
{
return f;
}
template <typename FloatType>
always_inline detail::scalar_ramp_argument<FloatType>
wrap_argument(detail::scalar_ramp_argument<FloatType> const & f)
{
return f;
}
template <typename FloatType>
always_inline detail::scalar_scalar_argument<FloatType>
scalar_argument(FloatType const & f)
{
return wrap_argument(f);
}
template <typename FloatType>
always_inline detail::scalar_pointer_argument<FloatType>
vector_argument(const FloatType * f)
{
return wrap_argument(f);
}
template <typename FloatType>
always_inline detail::scalar_ramp_argument<FloatType>
slope_argument(FloatType const & value, FloatType const & slope)
{
return wrap_argument(value, slope);
}
}
#undef always_inline
#endif /* NOVA_SIMD_WRAP_ARGUMENTS_HPP */
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