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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_DSP_ARCH_GENERIC_COPY_H_
#define PRIVATE_DSP_ARCH_GENERIC_COPY_H_
#ifndef PRIVATE_DSP_ARCH_GENERIC_IMPL
#error "This header should not be included directly"
#endif /* PRIVATE_DSP_ARCH_GENERIC_IMPL */
namespace lsp
{
namespace generic
{
void copy(float *dst, const float *src, size_t count)
{
if (dst == src)
return;
while (count--)
*(dst++) = *(src++);
}
void move(float *dst, const float *src, size_t count)
{
if (dst == src)
return;
if (dst < src)
{
while (count--)
*(dst++) = *(src++);
}
else
{
dst += count;
src += count;
while (count--)
*(--dst) = *(--src);
}
}
void fill(float *dst, float value, size_t count)
{
while (count--)
*(dst++) = value;
}
void fill_zero(float *dst, size_t count)
{
while (count--)
*(dst++) = 0.0f;
}
void fill_one(float *dst, size_t count)
{
while (count--)
*(dst++) = 1.0f;
}
void fill_minus_one(float *dst, size_t count)
{
while (count--)
*(dst++) = -1.0f;
}
void reverse1(float *dst, size_t count)
{
float *src = &dst[count];
count >>= 1;
while (count--)
{
float tmp = *dst;
*(dst++) = *(--src);
*src = tmp;
}
}
void reverse2(float *dst, const float *src, size_t count)
{
if (dst != src)
{
src = &src[count];
while (count--)
*(dst++) = *(--src);
}
else
reverse1(dst, count);
}
}
}
#endif /* PRIVATE_DSP_ARCH_GENERIC_COPY_H_ */
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