Neil Tan / dsp

mbed 5 experimental branch

Fork of dsp by Simon Ford

src/Common/Include/math_helper.h@3:ad02f4ea1fbe, 2017-06-29 (annotated)

Committer:
nprobably
Date:
Thu Jun 29 06:56:55 2017 +0000
Revision:
3:ad02f4ea1fbe
Parent:
0:1014af42efd9 
A hack to make it compile with mbed 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:1014af42efd9 1 /* ----------------------------------------------------------------------
simon 0:1014af42efd9 2 * Copyright (C) 2010 ARM Limited. All rights reserved.
simon 0:1014af42efd9 3 *
simon 0:1014af42efd9 4 * $Date: 29. November 2010
simon 0:1014af42efd9 5 * $Revision: V1.0.3
simon 0:1014af42efd9 6 *
simon 0:1014af42efd9 7 * Project: CMSIS DSP Library
simon 0:1014af42efd9 8 *
simon 0:1014af42efd9 9 * Title: math_helper.h
simon 0:1014af42efd9 10 *
simon 0:1014af42efd9 11 *
simon 0:1014af42efd9 12 * Description: Prototypes of all helper functions required.
simon 0:1014af42efd9 13 *
simon 0:1014af42efd9 14 * Target Processor: Cortex-M4/Cortex-M3
simon 0:1014af42efd9 15 *
simon 0:1014af42efd9 16 * Version 1.0.3 2010/11/29
simon 0:1014af42efd9 17 * Re-organized the CMSIS folders and updated documentation.
simon 0:1014af42efd9 18 *
simon 0:1014af42efd9 19 * Version 1.0.2 2010/11/11
simon 0:1014af42efd9 20 * Documentation updated.
simon 0:1014af42efd9 21 *
simon 0:1014af42efd9 22 * Version 1.0.1 2010/10/05
simon 0:1014af42efd9 23 * Production release and review comments incorporated.
simon 0:1014af42efd9 24 *
simon 0:1014af42efd9 25 * Version 1.0.0 2010/09/20
simon 0:1014af42efd9 26 * Production release and review comments incorporated.
simon 0:1014af42efd9 27 *
simon 0:1014af42efd9 28 * Version 0.0.7 2010/06/10
simon 0:1014af42efd9 29 * Misra-C changes done
simon 0:1014af42efd9 30 * -------------------------------------------------------------------- */
simon 0:1014af42efd9 31
simon 0:1014af42efd9 32
simon 0:1014af42efd9 33 #include "arm_math.h"
simon 0:1014af42efd9 34
simon 0:1014af42efd9 35 #ifndef MATH_HELPER_H
simon 0:1014af42efd9 36 #define MATH_HELPER_H
simon 0:1014af42efd9 37
simon 0:1014af42efd9 38 float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize);
simon 0:1014af42efd9 39 void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
simon 0:1014af42efd9 40 void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
simon 0:1014af42efd9 41 void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
simon 0:1014af42efd9 42 void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
simon 0:1014af42efd9 43 void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
simon 0:1014af42efd9 44 void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
simon 0:1014af42efd9 45 void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
simon 0:1014af42efd9 46 void arm_clip_f32(float *pIn, uint32_t numSamples);
simon 0:1014af42efd9 47 uint32_t arm_calc_guard_bits(uint32_t num_adds);
simon 0:1014af42efd9 48 void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
simon 0:1014af42efd9 49 uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
simon 0:1014af42efd9 50 uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
simon 0:1014af42efd9 51 uint32_t arm_calc_2pow(uint32_t guard_bits);
simon 0:1014af42efd9 52 #endif
simon 0:1014af42efd9 53