chromium/third_party/ffmpeg/libavutil/float_dsp.h

/*
 * This file is part of FFmpeg.
 *
 * FFmpeg 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 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVUTIL_FLOAT_DSP_H
#define AVUTIL_FLOAT_DSP_H

AVFloatDSPContext;

/**
 * Return the scalar product of two vectors.
 *
 * @param v1  first input vector
 * @param v2  first input vector
 * @param len number of elements
 *
 * @return sum of elementwise products
 */
float avpriv_scalarproduct_float_c(const float *v1, const float *v2, int len);

void ff_float_dsp_init_aarch64(AVFloatDSPContext *fdsp);
void ff_float_dsp_init_arm(AVFloatDSPContext *fdsp);
void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int strict);
void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp);
void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp);
void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp);

/**
 * Allocate a float DSP context.
 *
 * @param strict  setting to non-zero avoids using functions which may not be IEEE-754 compliant
 */
AVFloatDSPContext *avpriv_float_dsp_alloc(int strict);

#endif /* AVUTIL_FLOAT_DSP_H */