Laxmi Kant Tiwari / mbed-dsp

CMSIS DSP Lib

Fork of mbed-dsp by mbed official

cmsis_dsp/math_helper.h@1:fdd22bb7aa52, 2012-11-28 (annotated)

Committer:
emilmont
Date:
Wed Nov 28 12:30:09 2012 +0000
Revision:
1:fdd22bb7aa52
Child:
2:da51fb522205
DSP library code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:fdd22bb7aa52 1 /* ----------------------------------------------------------------------
emilmont 1:fdd22bb7aa52 2 * Copyright (C) 2010 ARM Limited. All rights reserved.
emilmont 1:fdd22bb7aa52 3 *
emilmont 1:fdd22bb7aa52 4 * $Date: 29. November 2010
emilmont 1:fdd22bb7aa52 5 * $Revision: V1.0.3
emilmont 1:fdd22bb7aa52 6 *
emilmont 1:fdd22bb7aa52 7 * Project: CMSIS DSP Library
emilmont 1:fdd22bb7aa52 8 *
emilmont 1:fdd22bb7aa52 9 * Title: math_helper.h
emilmont 1:fdd22bb7aa52 10 *
emilmont 1:fdd22bb7aa52 11 *
emilmont 1:fdd22bb7aa52 12 * Description: Prototypes of all helper functions required.
emilmont 1:fdd22bb7aa52 13 *
emilmont 1:fdd22bb7aa52 14 * Target Processor: Cortex-M4/Cortex-M3
emilmont 1:fdd22bb7aa52 15 *
emilmont 1:fdd22bb7aa52 16 * Version 1.0.3 2010/11/29
emilmont 1:fdd22bb7aa52 17 * Re-organized the CMSIS folders and updated documentation.
emilmont 1:fdd22bb7aa52 18 *
emilmont 1:fdd22bb7aa52 19 * Version 1.0.2 2010/11/11
emilmont 1:fdd22bb7aa52 20 * Documentation updated.
emilmont 1:fdd22bb7aa52 21 *
emilmont 1:fdd22bb7aa52 22 * Version 1.0.1 2010/10/05
emilmont 1:fdd22bb7aa52 23 * Production release and review comments incorporated.
emilmont 1:fdd22bb7aa52 24 *
emilmont 1:fdd22bb7aa52 25 * Version 1.0.0 2010/09/20
emilmont 1:fdd22bb7aa52 26 * Production release and review comments incorporated.
emilmont 1:fdd22bb7aa52 27 *
emilmont 1:fdd22bb7aa52 28 * Version 0.0.7 2010/06/10
emilmont 1:fdd22bb7aa52 29 * Misra-C changes done
emilmont 1:fdd22bb7aa52 30 * -------------------------------------------------------------------- */
emilmont 1:fdd22bb7aa52 31
emilmont 1:fdd22bb7aa52 32
emilmont 1:fdd22bb7aa52 33 #include "arm_math.h"
emilmont 1:fdd22bb7aa52 34
emilmont 1:fdd22bb7aa52 35 #ifndef MATH_HELPER_H
emilmont 1:fdd22bb7aa52 36 #define MATH_HELPER_H
emilmont 1:fdd22bb7aa52 37
emilmont 1:fdd22bb7aa52 38 #ifdef __cplusplus
emilmont 1:fdd22bb7aa52 39 extern "C"
emilmont 1:fdd22bb7aa52 40 {
emilmont 1:fdd22bb7aa52 41 #endif
emilmont 1:fdd22bb7aa52 42
emilmont 1:fdd22bb7aa52 43 float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize);
emilmont 1:fdd22bb7aa52 44 void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 45 void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
emilmont 1:fdd22bb7aa52 46 void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
emilmont 1:fdd22bb7aa52 47 void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 48 void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 49 void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 50 void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 51 void arm_clip_f32(float *pIn, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 52 uint32_t arm_calc_guard_bits(uint32_t num_adds);
emilmont 1:fdd22bb7aa52 53 void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
emilmont 1:fdd22bb7aa52 54 uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 55 uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
emilmont 1:fdd22bb7aa52 56 uint32_t arm_calc_2pow(uint32_t guard_bits);
emilmont 1:fdd22bb7aa52 57
emilmont 1:fdd22bb7aa52 58 #ifdef __cplusplus
emilmont 1:fdd22bb7aa52 59 }
emilmont 1:fdd22bb7aa52 60 #endif
emilmont 1:fdd22bb7aa52 61
emilmont 1:fdd22bb7aa52 62 #endif
emilmont 1:fdd22bb7aa52 63