CMSIS DSP Software Library: arm_min_f32.c Source File Main Page Modules Data Structures Files Examples File List Globals arm_min_f32.c Go to the documentation of this file.00001 /* ---------------------------------------------------------------------- 00002 * Copyright (C) 2010 ARM Limited. All rights reserved. 00003 * 00004 * $Date: 29. November 2010 00005 * $Revision: V1.0.3 00006 * 00007 * Project: CMSIS DSP Library 00008 * Title: arm_min_f32.c 00009 * 00010 * Description: Minimum value of two floating point arrays. 00011 * 00012 * Target Processor: Cortex-M4/Cortex-M3 00013 * 00014 * Version 1.0.3 2010/11/29 00015 * Re-organized the CMSIS folders and updated documentation. 00016 * 00017 * Version 1.0.2 2010/11/11 00018 * Documentation updated. 00019 * 00020 * Version 1.0.1 2010/10/05 00021 * Production release and review comments incorporated. 00022 * 00023 * Version 1.0.0 2010/09/20 00024 * Production release and review comments incorporated. 00025 * ---------------------------------------------------------------------------- */ 00026 00027 #include "arm_math.h" 00028 00057 void arm_min_f32( 00058 float32_t * pSrc, 00059 uint32_t blockSize, 00060 float32_t * pResult, 00061 uint32_t * pIndex) 00062 { 00063 float32_t minVal, out; /* Temporary variables to store the output value. */ 00064 uint32_t blkCnt, outIndex; /* loop counter */ 00065 00066 /* Initialise the index value to zero. */ 00067 outIndex = 0u; 00068 /* Load first input value that act as reference value for comparision */ 00069 out = *pSrc++; 00070 00071 /* Loop over blockSize number of values */ 00072 blkCnt = (blockSize - 1u); 00073 00074 do 00075 { 00076 /* Initialize minVal to the next consecutive values one by one */ 00077 minVal = *pSrc++; 00078 00079 /* compare for the minimum value */ 00080 if(out > minVal) 00081 { 00082 /* Update the minimum value and it's index */ 00083 out = minVal; 00084 outIndex = blockSize - blkCnt; 00085 } 00086 00087 blkCnt--; 00088 00089 } while(blkCnt > 0u); 00090 00091 /* Store the minimum value and it's index into destination pointers */ 00092 *pResult = out; 00093 *pIndex = outIndex; 00094 } 00095  All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Defines Generated on Mon Nov 29 2010 17:19:57 for CMSIS DSP Software Library by  1.7.2

Wyszukiwarka

Podobne podstrony:
arm conv ?2? source
arm power ?2? source
arm ?d ?2? source
arm scale ?2? source
arm correlate ?2? source
arm mult ?2? source
arm ?s ?2? source
arm min q15? source
arm offset ?2? source
arm mean ?2? source
arm cos ?2? source
arm min q7? source
arm std ?2? source
arm negate ?2? source
arm ?t4 ?2? source
arm fill ?2? source
arm lms ?2? source
arm rms ?2? source
arm min q31? source

więcej podobnych podstron