math_helper.h
53 lines
| 1.9 KiB
| text/x-c
|
CLexer
|
r16 | /* ---------------------------------------------------------------------- | ||
* Copyright (C) 2010 ARM Limited. All rights reserved. | ||||
* | ||||
* $Date: 29. November 2010 | ||||
* $Revision: V1.0.3 | ||||
* | ||||
* Project: CMSIS DSP Library | ||||
* | ||||
* Title: math_helper.h | ||||
* | ||||
* | ||||
* Description: Prototypes of all helper functions required. | ||||
* | ||||
* Target Processor: Cortex-M4/Cortex-M3 | ||||
* | ||||
* Version 1.0.3 2010/11/29 | ||||
* Re-organized the CMSIS folders and updated documentation. | ||||
* | ||||
* Version 1.0.2 2010/11/11 | ||||
* Documentation updated. | ||||
* | ||||
* Version 1.0.1 2010/10/05 | ||||
* Production release and review comments incorporated. | ||||
* | ||||
* Version 1.0.0 2010/09/20 | ||||
* Production release and review comments incorporated. | ||||
* | ||||
* Version 0.0.7 2010/06/10 | ||||
* Misra-C changes done | ||||
* -------------------------------------------------------------------- */ | ||||
#include "arm_math.h" | ||||
#ifndef MATH_HELPER_H | ||||
#define MATH_HELPER_H | ||||
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize); | ||||
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples); | ||||
void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits); | ||||
void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits); | ||||
void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples); | ||||
void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples); | ||||
void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples); | ||||
void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples); | ||||
void arm_clip_f32(float *pIn, uint32_t numSamples); | ||||
uint32_t arm_calc_guard_bits(uint32_t num_adds); | ||||
void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits); | ||||
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples); | ||||
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples); | ||||
uint32_t arm_calc_2pow(uint32_t guard_bits); | ||||
#endif | ||||