/* ---------------------------------------------------------------------- * Project: CMSIS DSP Library * Title: arm_max_no_idx_f64.c * Description: Maximum value of a floating-point vector without returning the index * * $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/statistics_functions.h" /** @ingroup groupStats */ /** @addtogroup Max @{ */ /** @brief Maximum value 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 maximum value returned here @return none */ void arm_max_no_idx_f64( const float64_t *pSrc, uint32_t blockSize, float64_t *pResult) { float64_t maxValue = F64_MIN; float64_t newVal; while (blockSize > 0U) { newVal = *pSrc++; /* compare for the maximum value */ if (maxValue < newVal) { /* Update the maximum value and it's index */ maxValue = newVal; } blockSize --; } *pResult = maxValue; } /** @} end of Max group */