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Changes to be committed: 

modified:   src/array/array_scale_lin.c
	modified:   src/array/concat.c
	modified:   src/array/decimate.c
	modified:   src/array/decimate_cmplx.c
	modified:   src/array/find_nearest.c
	modified:   src/array/flipip.c
	modified:   src/array/flipip_cmplx.c
	modified:   src/array/linspace.c
	modified:   src/array/logspace.c
	modified:   src/array/ones.c
	modified:   src/array/sum.c
	modified:   src/array/sum_sqr.c
	modified:   src/array/verif.c
	modified:   src/array/verif_cmplx.c
	modified:   src/convolution/conv.c
	modified:   src/convolution/conv_cmplx.c
	modified:   src/convolution/conv_fft.c
	modified:   src/convolution/conv_fft_cmplx.c
	modified:   src/convolution/filter_iir.c
	modified:   src/dft/dft.c
	modified:   src/dft/dft_cmplx.c
	modified:   src/dft/fft.c
	modified:   src/dft/fft_abs.c
	modified:   src/dft/fft_abs_cmplx.c
	modified:   src/dft/fft_cmplx.c
	modified:   src/dft/fft_create.c
	modified:   src/dft/fft_free.c
	modified:   src/dft/fft_krn.c
	modified:   src/dft/fft_mag.c
	modified:   src/dft/fft_mag_cmplx.c
	modified:   src/dft/fft_shift.c
	modified:   src/dft/fft_shift_cmplx.c
	modified:   src/dft/fft_subkernel.c
	modified:   src/dft/fourier_integral_cmplx.c
	modified:   src/dft/fourier_series_dec.c
	modified:   src/dft/fourier_series_dec_cmplx.c
	modified:   src/dft/fourier_series_rec.c
	modified:   src/dft/goertzel.c
	modified:   src/dft/goertzel_cmplx.c
	modified:   src/dft/idft_cmplx.c
	modified:   src/dft/ifft_cmplx.c
master
Dsplib 2023-12-11 23:08:57 +03:00
rodzic d354a5245e
commit 7aea0cffbc
41 zmienionych plików z 110 dodań i 130 usunięć
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12
dspl/src/array/array_scale_lin.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -27,10 +27,8 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int array_scale_lin(double* x, int n,
double xmin, double xmax, double dx,
double h, double* y)
\ingroup ARRAY_GROUP
\brief Vector `x` linear transformation
Function transforms values \f$x(i)\f$, \f$i = 0,1,\ldots n\f$
@ -100,9 +98,7 @@ Else \ref ERROR_CODE_GROUP "code error".
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int array_scale_lin(double* x, int n,
double xmin, double xmax, double dx,
double h, double* y)
\brief Линейное растяжение вектора данных `x`
Функция производит преобразование значений \f$x(i)\f$, \f$i = 0,1,\ldots n\f$
в значения \f$y(i)\f$, в соответствии с формулой:

6
dspl/src/array/concat.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,7 +28,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int concat(void* a, size_t na, void* b, size_t nb, void* c)
\brief
Concatenate arrays `a` and `b`
@ -89,7 +89,7 @@ c = [1.0, 2.0, 3.0, 4.0, 5.0]
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int concat(void* a, size_t na, void* b, size_t nb, void* c)
\brief Конкатенация двух массивов данных
Функция производит конкатенацию двух массивов. Пусть массивы `a` и `b`

6
dspl/src/array/decimate.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,7 +28,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int decimate(double* x, int n, int d, double* y, int* cnt)
\brief
Real vector decimation
@ -83,7 +83,7 @@ c = [0.0, 2.0, 4.0, 6.0, 8.0]
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int decimate(double* x, int n, int d, double* y, int* cnt)
\brief Децимация вещественного вектора данных
Функция производит децимацию вещественного вектора `x` в `d` раз. \n

8
dspl/src/array/decimate_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -27,8 +27,8 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int decimate_cmplx(complex_t* x, int n, int d, complex_t* y, int* cnt)
\ingroup ARRAY_GROUP
\brief
Complex vector decimation
@ -88,7 +88,7 @@ c = [0.0+0.0j, 2.0+2.0j, 4.0+4.0j, 6.0+6.0j, 8.0+8.0j]
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int decimate_cmplx(complex_t* x, int n, int d, complex_t* y, int* cnt)
\brief Децимация комплексного вектора данных
Функция производит децимацию комплексного вектора `x` в `d` раз. \n

2
dspl/src/array/find_nearest.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

6
dspl/src/array/flipip.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -29,7 +29,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int flipip(double* x, int n)
\brief
Flip real vector `x` in place
@ -81,7 +81,7 @@ Program result:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int flipip(double* x, int n)
\brief Функция отражения вещественного вектора `x`
Функция производит отражение вещественного вектора длины `n`

6
dspl/src/array/flipip_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -30,7 +30,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int flipip_cmplx(complex_t* x, int n)
\brief Flip complex vector `x` in place
Function flips complex vector `x` length `n` in the memory
@ -79,7 +79,7 @@ Program result:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int flipip_cmplx(complex_t* x, int n)
\brief Функция отражения комплексного вектора `x`
Функция производит отражение комплексного вектора длины `n`

6
dspl/src/array/linspace.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -29,7 +29,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int linspace(double x0, double x1, int n, int type, double* x)
\brief Function fills a vector with `n` linearly spaced elements
between `x0` and `x1`.
@ -96,7 +96,7 @@ Values in the vector `x` are:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int linspace(double x0, double x1, int n, int type, double* x)
\brief Функция заполняет массив линейно-нарастающими, равноотстоящими
значениями от `x0` до `x1`

6
dspl/src/array/logspace.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -29,7 +29,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int logspace(double x0, double x1, int n, int type, double* x)
\brief Function fills a vector with `n` logarithmically spaced elements
between \f$10^{x_0}\f$ and \f$10^{x_1}\f$.
@ -105,7 +105,7 @@ Values in the vector `x` are:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int logspace(double x0, double x1, int n, int type, double* x)
\brief Функция заполняет массив значениями логарифмической шкале
Заполняет массив `x` длиной `n` значениями в диапазоне

7
dspl/src/array/ones.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,8 +28,8 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int ones(double* x, int n)
\ingroup ARRAY_GROUP
\brief Function fills all real vector `x` by ones values.
\param[in, out] x
@ -66,7 +66,6 @@ Vector `y` values are:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int ones(double* x, int n)
\brief Функция заполнения вещественного массива единицами
\param[in, out] x

41
dspl/src/array/sum.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,15 +28,48 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int sum(double* x, int n, double* s)
\ingroup ARRAY_GROUP
\author Sergey Bakhurin www.dsplib.org
***************************************************************************** */
#endif
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int sum(double* x, int n, double* s)
\brief Расчет суммы элеметов массива
\param[in] x
Указатель на вещественный вектор `x`. \n
Размер вектора `[n x 1]`. \n
\n
\param[in] n
Размер вектора `x`. \n
\n
\param[in] n
Указатель на переменную суммы элементов массива. \n
По данному указателю будет записан результат работы функции.
\n
\return
`RES_OK` если функция выполнена успешно. \n
В противном случае \ref ERROR_CODE_GROUP "код ошибки".
Пример:
\code{.cpp}
double y[5] = {0.0, 1.0, 2.0, 3.0, 4.0};
double s;
sum(y, 5, &s);
printf("s = %6.1f% \n", s);
\endcode
\n
Результат выполнения:
\verbatim
s = 10
\endverbatim
\author Бахурин Сергей www.dsplib.org
***************************************************************************** */
#endif

8
dspl/src/array/sum_sqr.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -27,15 +27,15 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int sum(double* x, int n, double* s)
\ingroup ARRAY_GROUP
\author Sergey Bakhurin www.dsplib.org
***************************************************************************** */
#endif
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int sum(double* x, int n, double* s)
\author Бахурин Сергей www.dsplib.org
***************************************************************************** */
#endif

8
dspl/src/array/verif.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of DSPL.
@ -27,8 +27,8 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int verif(double* x, double* y, size_t n, double eps, double* err)
\ingroup ARRAY_GROUP
\brief Real arrays verification
Function calculates a maximum relative error between two real arrays `x`
@ -78,7 +78,7 @@ Otherwise `DSPL_VERIF_FAILED`.
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int verif(double* x, double* y, size_t n, double eps, double* err)
\brief Верификация вещественных массивов
Функция производит расчет максимальной относительной ошибки между вещественными

8
dspl/src/array/verif_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of DSPL.
@ -31,8 +31,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int verif_cmplx(complex_t* x, complex_t* y, size_t n,
double eps, double* err)
\brief
Complex arrays verification
@ -87,8 +86,7 @@ www.dsplib.org
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup ARRAY_GROUP
\fn int verif_cmplx(complex_t* x, complex_t* y, size_t n,
double eps, double* err)
\brief Верификация комплексных массивов
Функция производит расчет максимальной относительной ошибки между комплексными

4
dspl/src/convolution/conv.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of DSPL.
@ -29,7 +29,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv(double* a, int na, double* b, int nb, double* c)
\brief Real vectors linear convolution.
Function convolves two real vectors \f$ c = a * b\f$ length `na` and `nb`.
@ -93,7 +92,6 @@ cr[5] = 12.0
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv(double* a, int na, double* b, int nb, double* c)
\brief Линейная свертка двух вещественных векторов
Функция рассчитывает линейную свертку двух векторов \f$ c = a * b\f$.

4
dspl/src/convolution/conv_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of DSPL.
@ -30,7 +30,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv_cmplx(complex_t* a, int na, complex_t* b, int nb, complex_t* c)
\brief Complex vectors linear convolution.
Function convolves two complex vectors \f$ c = a * b\f$ length `na` and `nb`.
@ -94,7 +93,6 @@ cc[5] = 0.0+24.0j
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv_cmplx(complex_t* a, int na, complex_t* b, int nb, complex_t* c)
\brief Линейная свертка двух комплексных векторов
Функция рассчитывает линейную свертку двух векторов \f$ c = a * b\f$.

6
dspl/src/convolution/conv_fft.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of DSPL.
@ -31,8 +31,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv_fft(double* a, int na, double* b, int nb,
fft_t* pfft, int nfft, double* c)
\brief Real vectors fast linear convolution by using fast Fourier
transform algorithms
@ -111,8 +109,6 @@ c[ 18] = 72.00 d[ 18] = 72.00
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv_fft(double* a, int na, double* b, int nb,
fft_t* pfft, double* c)
\brief Линейная свертка двух вещественных векторов с использованием алгоритмов
быстрого преобразования Фурье

6
dspl/src/convolution/conv_fft_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -26,8 +26,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv_fft_cmplx(complex_t* a, int na, complex_t* b, int nb,
fft_t* pfft, int nfft, complex_t* c)
\brief Complex vectors fast linear convolution by using fast Fourier
transform algorithms
@ -104,8 +102,6 @@ c[ 18] = -37.00 +484.00j d[ 18] = -37.00 +484.00j
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int conv_fft_cmplx(complex_t* a, int na, complex_t* b, int nb,
fft_t* pfft, complex_t* c)
\brief Линейная свертка двух комплексных векторов с использованием алгоритмов
быстрого преобразования Фурье

4
dspl/src/convolution/filter_iir.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -26,7 +26,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int filter_iir(double* b, double* a, int ord, double* x, int n, double* y)
\brief Real IIR filtration
Function calculates real IIR filter output for real signal. The real filter
@ -99,7 +98,6 @@ GNUPLOT script for make plots is:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup FILTER_CONV_GROUP
\fn int filter_iir(double* b, double* a, int ord, double* x, int n, double* y)
\brief Фильтрация вещественного сигнала вещественным БИХ-фильтром
Функция рассчитывает выход фильтра заданного выражением

4
dspl/src/dft/dft.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,7 +28,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int dft(double* x, int n, complex_t* y)
\brief Discrete Fourier transform of a real signal.
The function calculates the \f$ n \f$ -point discrete Fourier transform
@ -96,7 +95,6 @@ fast Fourier transform algorithms.
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int dft(double* x, int n, complex_t* y)
\brief Дискретное преобразование Фурье вещественного сигнала.
Функция рассчитывает \f$ n \f$-точечное дискретное преобразование Фурье

4
dspl/src/dft/dft_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,7 +28,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int dft_cmplx(complex_t* x, int n, complex_t* y)
\brief Discrete Fourier transform of a complex signal.
The function calculates the \f$ n \f$ -point discrete Fourier transform
@ -96,7 +95,6 @@ use fast Fourier transform algorithms.
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int dft_cmplx(complex_t* x, int n, complex_t* y)
\brief Дискретное преобразование Фурье комплексного сигнала.
Функция рассчитывает \f$ n \f$-точечное дискретное преобразование Фурье

4
dspl/src/dft/fft.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -30,7 +30,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft(double* x, int n, fft_t* pfft, complex_t* y)
\brief Fast Fourier transform for the real vector.
Function calculated \f$ n \f$-points FFT for the real vector
@ -101,7 +100,6 @@ y[13] = -7.000 -30.669
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft(double* x, int n, fft_t* pfft, complex_t* y)
\brief Быстрое преобразование Фурье вещественного сигнала
Функция рассчитывает \f$ n \f$-точечное быстрое преобразование Фурье

2
dspl/src/dft/fft_abs.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

2
dspl/src/dft/fft_abs_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

4
dspl/src/dft/fft_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -29,7 +29,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft_cmplx(complex_t* x, int n, fft_t* pfft, complex_t* y)
\brief Fast Fourier transform for the complex vector.
Function calculated \f$ n \f$-points FFT for the complex vector
@ -102,7 +101,6 @@ y[17] = -0.300 0.588
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft_cmplx(complex_t* x, int n, fft_t* pfft, complex_t* y)
\brief Быстрое преобразование Фурье комплексного сигнала
Функция рассчитывает \f$ n \f$-точечное быстрое преобразование Фурье

4
dspl/src/dft/fft_create.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -33,7 +33,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft_create(fft_t* pfft, int n)
\brief Function creates and fill `fft_t` structure.
The function allocates memory and calculates twiddle factors
@ -97,7 +96,6 @@ The "magic number" 46340 because \f$\sqrt{2^{31}} = 46340.95\f$. \n
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft_create(fft_t* pfft, int n)
\brief Заполнение структуры `fft_t` для алгоритма БПФ
Функция производит выделение памяти и рассчет векторов

6
dspl/src/dft/fft_free.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -32,8 +32,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn void fft_free(fft_t *pfft)
\ingroup DFT_GROUP
\brief Free `fft_t` structure.
The function clears the intermediate data memory
@ -48,7 +47,6 @@ Pointer to the `fft_t` object. \n
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn void fft_free(fft_t *pfft)
\brief Очистить структуру `fft_t` алгоритма БПФ
Функция производит очищение памяти промежуточных данных

2
dspl/src/dft/fft_krn.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

2
dspl/src/dft/fft_mag.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

2
dspl/src/dft/fft_mag_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

8
dspl/src/dft/fft_shift.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -31,8 +31,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft_shift(double* x, int n, double* y)
\ingroup DFT_GROUP
\brief Perform a shift of the vector `x`, for use with the `fft` and `ifft`
functions, in order
<a href="http://en.dsplib.org/content/dft_freq/dft_freq.html">
@ -61,8 +60,7 @@ Else \ref ERROR_CODE_GROUP "code error".
#endif
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fft_shift(double* x, int n, double* y)
\ingroup DFT_GROUP
\brief Перестановка спектральных отсчетов дискретного преобразования Фурье
Функция производит

2
dspl/src/dft/fft_shift_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

2
dspl/src/dft/fft_subkernel.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

2
dspl/src/dft/fourier_integral_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

8
dspl/src/dft/fourier_series_dec.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -29,9 +29,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fourier_series_dec(double* t, double* s, int nt, double period,
int nw, double* w, complex_t* y)
\brief
Fourier series coefficient calculation for periodic signal
@ -87,9 +84,6 @@ it is more expedient to use fast Fourier transform algorithms.
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fourier_series_dec(double* t, double* s, int nt, double period,
int nw, double* w, complex_t* y)
\brief
Расчет коэффициентов разложения в ряд Фурье

2
dspl/src/dft/fourier_series_dec_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.

8
dspl/src/dft/fourier_series_rec.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -36,9 +36,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fourier_series_rec(double* w, complex_t* s, int nw,
double* t, int nt, complex_t* y)
\ingroup DFT_GROUP
\brief Time signal reconstruction from Fourier series coefficients.
Function reconstructs the time signal:
@ -96,8 +94,6 @@ can be ignored.
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int fourier_series_rec(double* w, complex_t* s, int nw,
double* t, int nt, complex_t* y)
\brief Восстановление сигнала при усечении ряда Фурье
Функция рассчитывает восстановленный сигнал при усечении ряда Фурье:

4
dspl/src/dft/goertzel.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -26,7 +26,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int goertzel(double *x, int n, int *ind, int k, complex_t *y)
\brief <a href = "http://en.dsplib.org/content/goertzel/goertzel.html">
Goertzel algorithm </a> individual DFT samples calculation for the real input vector `x`.
@ -75,7 +74,6 @@ with indices modulo `n`. \n
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int goertzel(double *x, int n, int *ind, int k, complex_t *y)
\brief <a href = "http://ru.dsplib.org/content/goertzel/goertzel.html">
Алгоритм Гёрцеля</a> для расчета отдельных спектральных отсчетов дискретного
преобразования Фурье вещественного сигнала `x`.

4
dspl/src/dft/goertzel_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -27,7 +27,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int goertzel_cmplx(complex_t *x, int n, int *ind, int k, complex_t *y)
\brief <a href = "http://en.dsplib.org/content/goertzel/goertzel.html">
Goertzel algorithm </a> individual DFT samples calculation for
the complex input vector `x`.
@ -77,7 +76,6 @@ with indices modulo `n`. \n
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int goertzel_cmplx(complex_t *x, int n, int *ind, int k, complex_t *y)
\brief <a href = "http://ru.dsplib.org/content/goertzel/goertzel.html">
Алгоритм Гёрцеля</a> для расчета отдельных спектральных отсчетов дискретного
преобразования Фурье комплексного сигнала `x`.

4
dspl/src/dft/idft_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -27,7 +27,6 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int idft_cmplx(complex_t* x, int n, complex_t* y)
\brief Inverse discrete Fourier transform of the complex spectrum.
The function calculates the \f$ n \f$ -point inverse discrete transform
@ -96,7 +95,6 @@ use fast Fourier transform algorithms.
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int idft_cmplx(complex_t* x, int n, complex_t* y)
\brief Обратное дискретное преобразование Фурье комплексного спектра.
Функция рассчитывает \f$ n \f$-точечное обратное дискретное преобразование

6
dspl/src/dft/ifft_cmplx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2022 Sergey Bakhurin
* Copyright (c) 2015-2024 Sergey Bakhurin
* Digital Signal Processing Library [http://dsplib.org]
*
* This file is part of libdspl-2.0.
@ -28,8 +28,7 @@
#ifdef DOXYGEN_ENGLISH
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int ifft_cmplx(complex_t* x, int n, fft_t* pfft, complex_t* y)
\ingroup DFT_GROUP
\brief Inverse fast Fourier transform
Function calculates \f$ n \f$-point IFFT of complex data
@ -104,7 +103,6 @@ Result:
#ifdef DOXYGEN_RUSSIAN
/*! ****************************************************************************
\ingroup DFT_GROUP
\fn int ifft_cmplx(complex_t* x, int n, fft_t* pfft, complex_t* y)
\brief Обратное быстрое преобразование Фурье
Функция рассчитывает \f$ n \f$-точечное обратное быстрое преобразование Фурье