ppsspp/ext/at3_standalone/float_dsp.h
2024-04-11 14:39:59 +02:00

61 lines
2.3 KiB
C

/*
* 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
*/
#pragma once
void vector_fmul(float *dst, const float *src0, const float *src1, int len);
/**
* Multiply a vector of floats by a scalar float. Source and
* destination vectors must overlap exactly or not at all.
*/
void vector_fmul_scalar(float *dst, const float *src, float mul, int len);
/**
* Calculate the entry wise product of two vectors of floats, add a third vector of
* floats and store the result in a vector of floats.
*
* @param dst output vector
* constraints: 32-byte aligned
* @param src0 first input vector
* constraints: 32-byte aligned
* @param src1 second input vector
* constraints: 32-byte aligned
* @param src2 third input vector
* constraints: 32-byte aligned
* @param len number of elements in the input
* constraints: multiple of 16
*/
void vector_fmul_add(float *dst, const float *src0, const float *src1, const float *src2, int len);
/**
* Calculate the entry wise product of two vectors of floats, and store the result
* in a vector of floats. The second vector of floats is iterated over
* in reverse order.
*
* @param dst output vector
* constraints: 32-byte aligned
* @param src0 first input vector
* constraints: 32-byte aligned
* @param src1 second input vector
* constraints: 32-byte aligned
* @param len number of elements in the input
* constraints: multiple of 16
*/
void vector_fmul_reverse(float *dst, const float *src0, const float *src1, int len);