/* ---------------------------------------------------------------------- * Project: CMSIS DSP Library * Title: arm_std_f16.c * Description: Standard deviation of the elements of a floating-point vector * * $Date: 23 April 2021 * $Revision: V1.9.0 * * 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/statistics_functions_f16.h" #if defined(ARM_FLOAT16_SUPPORTED) /** @ingroup groupStats */ /** @addtogroup STD @{ */ /** @brief Standard deviation of the elements of a floating-point vector. @param[in] pSrc points to the input vector @param[in] blockSize number of samples in input vector @param[out] pResult standard deviation value returned here @return none */ void arm_std_f16( const float16_t * pSrc, uint32_t blockSize, float16_t * pResult) { float16_t var; arm_var_f16(pSrc,blockSize,&var); arm_sqrt_f16(var, pResult); } /** @} end of STD group */ #endif /* #if defined(ARM_FLOAT16_SUPPORTED) */