/* ---------------------------------------------------------------------- * Project: CMSIS DSP Library * Title: arm_f64_to_f16.c * Description: Converts the elements of the 64 bit floating-point vector to 16 bit 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_f16.h" #if defined(ARM_FLOAT16_SUPPORTED) /** @ingroup groupSupport */ /** * @defgroup f64_to_x Convert 64-bit floating point value */ /** @addtogroup f64_to_x @{ */ /** @brief Converts the elements of the f64 vector to f16 vector. @param[in] pSrc points to the f64 input vector @param[out] pDst points to the f16 output vector @param[in] blockSize number of samples in each vector */ void arm_f64_to_f16( const float64_t * pSrc, float16_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++ = (float16_t) * pIn++; /* * Decrement the loop counter */ blkCnt--; } } /** @} end of f64_to_x group */ #endif /* #if defined(ARM_FLOAT16_SUPPORTED) */