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85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/* ----------------------------------------------------------------------
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* Project: CMSIS DSP Library
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* Title: arm_f16_to_f64.c
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* Description: Converts the elements of the floating-point 16 bit vector to floating-point 64 bit vector
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*
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* $Date: 18 August 2022
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* $Revision: V1.0.0
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*
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* Target Processor: Cortex-M and Cortex-A cores
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* -------------------------------------------------------------------- */
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/*
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* Copyright (C) 2010-2022 ARM Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "dsp/support_functions_f16.h"
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#if defined(ARM_FLOAT16_SUPPORTED)
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/**
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@ingroup groupSupport
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*/
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/**
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@addtogroup f16_to_x
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@{
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*/
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/**
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@brief Converts the elements of the f16 vector to f64 vector.
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@param[in] pSrc points to the f16 input vector
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@param[out] pDst points to the f64 output vector
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@param[in] blockSize number of samples in each vector
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@return none
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*/
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void arm_f16_to_f64(
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const float16_t * pSrc,
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float64_t * pDst,
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uint32_t blockSize)
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{
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const float16_t *pIn = pSrc; /* Src pointer */
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uint32_t blkCnt; /* loop counter */
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/*
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* Loop over blockSize number of values
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*/
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blkCnt = blockSize;
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while (blkCnt > 0U)
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{
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*pDst++ = (float64_t) * pIn++;
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/*
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* Decrement the loop counter
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*/
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blkCnt--;
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}
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}
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/**
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@} end of f16_to_x group
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*/
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#endif /* #if defined(ARM_FLOAT16_SUPPORTED) */
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