blob: 1a5afd9aff805afb9615134b1584341439fb6ab4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* ----------------------------------------------------------------------
* Project: CMSIS DSP Library
* Title: arm_mult_f64.c
* Description: Floating-point vector multiplication
*
* $Date: 13 September 2021
* $Revision: V1.10.0
*
* Target Processor: Cortex-M and Cortex-A cores
* -------------------------------------------------------------------- */
/*
* Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "dsp/basic_math_functions.h"
/**
@ingroup groupMath
*/
/**
@addtogroup BasicMult
@{
*/
/**
@brief Floating-point vector multiplication.
@param[in] pSrcA points to the first input vector.
@param[in] pSrcB points to the second input vector.
@param[out] pDst points to the output vector.
@param[in] blockSize number of samples in each vector.
@return none
*/
void arm_mult_f64(
const float64_t * pSrcA,
const float64_t * pSrcB,
float64_t * pDst,
uint32_t blockSize)
{
uint32_t blkCnt; /* Loop counter */
/* Initialize blkCnt with number of samples */
blkCnt = blockSize;
while (blkCnt > 0U)
{
/* C = A * B */
/* Multiply input and store result in destination buffer. */
*pDst++ = (*pSrcA++) * (*pSrcB++);
/* Decrement loop counter */
blkCnt--;
}
}
/**
@} end of BasicMult group
*/
|
