You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/* ----------------------------------------------------------------------
|
|
* Project: CMSIS DSP Library
|
|
* Title: arm_f64_to_float.c
|
|
* Description: Converts the elements of the floating-point 64 bit vector to floating-point vector
|
|
*
|
|
* $Date: 18 August 2022
|
|
* $Revision: V1.0.0
|
|
*
|
|
* Target Processor: Cortex-M and Cortex-A cores
|
|
* -------------------------------------------------------------------- */
|
|
/*
|
|
* Copyright (C) 2010-2022 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/support_functions.h"
|
|
|
|
/**
|
|
@ingroup groupSupport
|
|
*/
|
|
|
|
|
|
/**
|
|
@addtogroup f64_to_x
|
|
@{
|
|
*/
|
|
|
|
/**
|
|
@brief Converts the elements of the f64 vector to f32 vector.
|
|
@param[in] pSrc points to the f64 input vector
|
|
@param[out] pDst points to the f32 output vector
|
|
@param[in] blockSize number of samples in each vector
|
|
@return none
|
|
|
|
*/
|
|
|
|
|
|
void arm_f64_to_float(
|
|
const float64_t * pSrc,
|
|
float32_t * pDst,
|
|
uint32_t blockSize)
|
|
{
|
|
const float64_t *pIn = pSrc; /* Src pointer */
|
|
uint32_t blkCnt; /* loop counter */
|
|
|
|
/*
|
|
* Loop over blockSize number of values
|
|
*/
|
|
blkCnt = blockSize;
|
|
|
|
while (blkCnt > 0U)
|
|
{
|
|
|
|
*pDst++ = (float32_t) * pIn++;
|
|
/*
|
|
* Decrement the loop counter
|
|
*/
|
|
blkCnt--;
|
|
}
|
|
}
|
|
/**
|
|
@} end of f64_to_x group
|
|
*/
|