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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_HMATH_H_
#define PRIVATE_DSP_ARCH_GENERIC_HMATH_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
{
float scalar_mul(const float *a, const float *b, size_t count)
{
float result = 0;
while (count--)
result += *(a++) * *(b++);
return result;
}
float h_sum(const float *src, size_t count)
{
float result = 0.0f;
while (count--)
result += *(src++);
return result;
}
float h_sqr_sum(const float *src, size_t count)
{
float result = 0.0f;
while (count--)
{
float tmp = *(src++);
result += tmp * tmp;
}
return result;
}
float h_abs_sum(const float *src, size_t count)
{
float result = 0.0f;
while (count--)
{
float tmp = *(src++);
if (tmp < 0.0f)
result -= tmp;
else
result += tmp;
}
return result;
}
}
}
#endif /* PRIVATE_DSP_ARCH_GENERIC_HMATH_H_ */
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