94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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#ifndef AE_MATH_H
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#define AE_MATH_H
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#include <stdint.h>
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#include <math.h>
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#ifdef __arm__
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#include "arm_math.h"
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#endif
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#define AE_PI 3.14159265358979323846f
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#define EPS (1e-7f)
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#define AE_CLAMP(x,lo,hi) ((x) < (lo) ? (lo) : (x) > (hi) ? (hi) : (x))
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#ifdef __arm__
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#define AE_SSAT16(x) __SSAT((int32_t)(x), 16)
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#define AE_SSAT24(x) __SSAT((int32_t)(x), 24)
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#else
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#define AE_SSAT16(x) AE_CLAMP(x,-32768,32767)
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#define AE_SSAT24(x) AE_CLAMP(x,-16777216,16777215)
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#endif
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#define AE_ABS(x) ((x) > 0 ? (x) : (-(x)))
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#define AE_FLOOR(x) (floorf(x))
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#define AE_ROUND(x) (roundf(x))
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#define AE_INT(x) ((int)(x))
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// deal with x > -1 && x < 0
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#define AE_SIGN(x) ((AE_INT(x) == 0 && (x) < 0) ? "-" : "")
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#define AE_FRAC(x) ((int)(((x) > 0 ? ((x) - AE_INT(x)) : (AE_INT(x) - (x))) * 1000000))
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#define AE_MIN(a,b) ((a) < (b) ? (a) : (b))
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#define AE_MAX(a,b) ((a) > (b) ? (a) : (b))
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#define SQUARE(x) ((x) * (x))
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#define DB2LIN(x) (powf(10.f, (x) / 20.f))
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#ifdef VQE_SIMULATE
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#define AE_SIN(x) sinf(x)
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#define AE_COS(x) cosf(x)
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#else
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#define AE_SIN(x) arm_sin_f32(x)
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#define AE_COS(x) arm_cos_f32(x)
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#endif
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int ae_gcd(int u, int v);
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int ipow(int base, int exp);
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float ipowf(float base, int exp);
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float pow_int(float base, int exp);
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float expint(int n, float x);
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float sqrt_approx(float z);
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#define AE_RAND_MAX (32767)
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void ae_srand(unsigned int init);
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int ae_rand(void);
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void speech_conv(float *x, float *y, short len1,int len2, float *out);
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void scale_int16(int16_t *pDst, int16_t *pSrc, float scale, uint32_t blockSize);
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int32_t nextpow2(int32_t N);
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#endif
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