| /* ---------------------------------------------------------------------- |
| * 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 |
| * -------------------------------------------------------------------- */ |
| |
| #ifndef MATH_HELPER_H |
| #define MATH_HELPER_H |
| |
| #include "arm_math.h" |
| |
| float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize); |
| double arm_snr_f64(double *pRef, double *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 |
