libdspl-2.0/release/include/dspl.h

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9.0 KiB
C

/*
* Copyright (c) 2015-2018 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
*
* is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DSPL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DSPL_H
#define DSPL_H
#include <math.h>
/* math const definition */
#ifndef M_PI
#define M_PI 3.1415926535897932384626433832795
#endif
#ifndef M_2PI
#define M_2PI 6.283185307179586476925286766559
#endif
typedef double complex_t[2];
typedef struct
{
complex_t* w;
complex_t* t0;
complex_t* t1;
int n;
int p2;
} fft_t;
#define RE(x) (x[0])
#define IM(x) (x[1])
#define SQR(x) ((x) * (x))
#define ABSSQR(x) ((SQR(RE(x))) + (SQR(IM(x))))
#define ABS(x) sqrt((ABSSQR(x)))
#define CMRE(a,b) ((RE(a)) * (RE(b)) - (IM(a)) * (IM(b)))
#define CMIM(a,b) ((RE(a)) * (IM(b)) + (IM(a)) * (RE(b)))
#define CMCONJRE(a, b) ((RE(a)) * (RE(b)) + (IM(a)) * (IM(b)))
#define CMCONJIM(a, b) ((IM(a)) * (RE(b)) - (RE(a)) * (IM(b)))
#define RES_OK 0
/* Error codes */
/* A 0x01xxxxxx*/
/* B 0x02xxxxxx*/
/* C 0x03xxxxxx*/
/* D 0x04xxxxxx*/
#define ERROR_DAT_TYPE 0x04012020
#define ERROR_DIV_ZERO 0x04102226
/* E 0x05xxxxxx*/
#define ERROR_ELLIP_MODULE 0x05121315
/* F 0x06xxxxxx*/
#define ERROR_FFT_CREATE 0x06060318
#define ERROR_FFT_SIZE 0x06062021
#define ERROR_FILTER_A0 0x06100100
#define ERROR_FILTER_ORD 0x06101518
#define ERROR_FILTER_RP 0x06101816
#define ERROR_FILTER_RS 0x06101819
#define ERROR_FNAME 0x06140113
#define ERROR_FOPEN 0x06151605
#define ERROR_FWRITE_SIZE 0x06231820
/* G 0x07xxxxxx*/
/* H 0x08xxxxxx*/
/* I 0x09xxxxxx*/
#define ERROR_INC_SIZE 0x09140319
/* J 0x10xxxxxx*/
/* K 0x11xxxxxx*/
/* L 0x12xxxxxx*/
/* M 0x13xxxxxx*/
/* N 0x14xxxxxx*/
#define ERROR_NEGATIVE 0x14050701
/* O 0x15xxxxxx*/
/* P 0x16xxxxxx*/
#define ERROR_POLY_ORD 0x16151518
#define ERROR_PTR 0x16201800
/* Q 0x17xxxxxx*/
/* R 0x18xxxxxx*/
#define ERROR_RAND_SIGMA 0x18011909
#define ERROR_RESAMPLE_RATIO 0x18051801
#define ERROR_RESAMPLE_FRAC_DELAY 0x18050604
/* S 0x19xxxxxx*/
#define ERROR_SIZE 0x19092605
#define ERROR_SYM_TYPE 0x19251320
/* T 0x20xxxxxx*/
/* U 0x21xxxxxx*/
/* V 0x22xxxxxx*/
/* W 0x23xxxxxx*/
#define ERROR_WIN_TYPE 0x23092025
#define ERROR_WIN_SYM 0x23091925
/* X 0x24xxxxxx*/
/* Y 0x25xxxxxx*/
/* Z 0x26xxxxxx*/
#define DAT_DOUBLE 0
#define DAT_COMPLEX 1
#define DSPL_SYMMETRIC 0x00000000
#define DSPL_PERIODIC 0x00000001
#define DSPL_WIN_SYM_MASK 0x00000001
#define DSPL_WIN_MASK 0x000FFFFE
#define DSPL_WIN_SYMMETRIC DSPL_SYMMETRIC
#define DSPL_WIN_PERIODIC DSPL_PERIODIC
#define DSPL_WIN_BARTLETT 0x00000004
#define DSPL_WIN_BARTLETT_HANN 0x00000008
#define DSPL_WIN_BLACKMAN 0x00000010
#define DSPL_WIN_BLACKMAN_HARRIS 0x00000040
#define DSPL_WIN_BLACKMAN_NUTTALL 0x00000080
#define DSPL_WIN_FLAT_TOP 0x00000100
#define DSPL_WIN_GAUSSIAN 0x00000400
#define DSPL_WIN_HAMMING 0x00000800
#define DSPL_WIN_HANN 0x00001000
#define DSPL_WIN_LANCZOS 0x00004000
#define DSPL_WIN_NUTTALL 0x00008000
#define DSPL_WIN_RECT 0x00010000
#define DSPL_WIN_COS 0x00040000
#define ELLIP_ITER 16
#define ELLIP_MAX_ORD 24
#ifdef __cplusplus
extern "C" {
#endif
#ifdef BUILD_LIB
// Declare DSPL_API for Windows OS
#ifdef WIN_OS
#define DSPL_API __declspec(dllexport)
#endif // WIN_OS
// Declare DSPL_API for LINUX OS
#ifdef LINUX_OS
#define DSPL_API
#endif //LINUX_OS
#endif //BUILD_DLL
#define COMMA ,
#ifdef BUILD_LIB
#define DECLARE_FUNC(type, fn, param)\
type DSPL_API fn(param);
#endif
#ifndef BUILD_LIB
#define DECLARE_FUNC(type, fn, param)\
typedef type (*p_##fn)(param);\
extern p_##fn fn;
#endif
DECLARE_FUNC(int, acos_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, asin_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, cheby_poly1, double* COMMA int COMMA int COMMA double*);
DECLARE_FUNC(int, cheby_poly2, double* COMMA int COMMA int COMMA double*);
DECLARE_FUNC(int, cmplx2re, complex_t* COMMA int COMMA double* COMMA double*);
DECLARE_FUNC(int, concat, void* COMMA size_t COMMA void* COMMA size_t COMMA void*);
DECLARE_FUNC(int, conv, double* COMMA int COMMA double* COMMA int COMMA double*);
DECLARE_FUNC(int, conv_cmplx, complex_t* COMMA int COMMA complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, cos_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, dft, double* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, dft_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(double,dmod, double COMMA double);
DECLARE_FUNC(int, farrow_lagrange, double* COMMA int COMMA double COMMA double COMMA double COMMA double** COMMA int*);
DECLARE_FUNC(int, farrow_spline, double* COMMA int COMMA double COMMA double COMMA double COMMA double** COMMA int*);
DECLARE_FUNC(int, filter_iir, double* COMMA double* COMMA int COMMA double* COMMA int COMMA double*);
DECLARE_FUNC(int, fft, double* COMMA int COMMA fft_t* COMMA complex_t* );
DECLARE_FUNC(int, fft_cmplx, complex_t* COMMA int COMMA fft_t* COMMA complex_t* );
DECLARE_FUNC(int, fft_create, fft_t* COMMA int);
DECLARE_FUNC(void, fft_free, fft_t*);
DECLARE_FUNC(int, fft_shift, double* COMMA int n COMMA double*);
DECLARE_FUNC(int, flipip, double* COMMA int);
DECLARE_FUNC(int, flipip_cmplx, complex_t* COMMA int);
DECLARE_FUNC(int, fourier_series_dec, double* COMMA double* COMMA int COMMA double COMMA int COMMA double* COMMA complex_t*);
DECLARE_FUNC(int, fourier_series_rec, double* COMMA complex_t* COMMA int COMMA double* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, goertzel, double* COMMA int COMMA int* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, goertzel_cmplx, complex_t* COMMA int COMMA int* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, linspace, double COMMA double COMMA int COMMA int COMMA double*);
DECLARE_FUNC(int, log_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, logspace, double COMMA double COMMA int COMMA int COMMA double*);
DECLARE_FUNC(int, polyval, double* COMMA int COMMA double* COMMA int COMMA double*);
DECLARE_FUNC(int, polyval_cmplx, complex_t* COMMA int COMMA complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, randn, double* COMMA int COMMA double COMMA double);
DECLARE_FUNC(int, randu, double* COMMA int);
DECLARE_FUNC(int, re2cmplx, double* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, signal_pimp, double* COMMA size_t COMMA double COMMA double COMMA double COMMA double COMMA double*);
DECLARE_FUNC(int, sin_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, sqrt_cmplx, complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, trapint, double* COMMA double* COMMA int COMMA double* sum);
DECLARE_FUNC(int, trapint_cmplx, double* COMMA complex_t* COMMA int COMMA complex_t*);
DECLARE_FUNC(int, writebin, void* COMMA int COMMA int COMMA char*);
DECLARE_FUNC(int, writetxt, double* COMMA double* COMMA int COMMA char*);
#ifdef __cplusplus
}
#endif
void* dspl_load();
void dspl_free(void* handle);
#endif //DSPL_H