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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 LSP_PLUG_IN_DSP_COMMON_HMATH_HDOTP_H_
#define LSP_PLUG_IN_DSP_COMMON_HMATH_HDOTP_H_
#include <lsp-plug.in/dsp/common/types.h>
/** Calculate dot product: sum {from 0 to count-1} (a[i] * b[i])
*
* @param a first vector
* @param b second vector
* @param count number of elements
* @return scalar multiplication
*/
LSP_DSP_LIB_SYMBOL(float, h_dotp, const float *a, const float *b, size_t count);
/** Calculate dot product of squares: sum {from 0 to count-1} (sqr(a[i]) * sqr(b[i]))
*
* @param a first vector
* @param b second vector
* @param count number of elements
* @return scalar multiplication
*/
LSP_DSP_LIB_SYMBOL(float, h_sqr_dotp, const float *a, const float *b, size_t count);
/** Calculate dot product of absolute values: sum {from 0 to count-1} (abs(a[i]) * abs(b[i]))
*
* @param a first vector
* @param b second vector
* @param count number of elements
* @return scalar multiplication
*/
LSP_DSP_LIB_SYMBOL(float, h_abs_dotp, const float *a, const float *b, size_t count);
#endif /* LSP_PLUG_IN_DSP_COMMON_HMATH_HDOTP_H_ */
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