Fast Fourier (Carl de Boor) and trig transforms. More...

#include "include.h"
#include "newmatap.h"
Include dependency graph for fft.cpp:

Go to the source code of this file.

#define WANT_MATH
 
#define REPORT   {}
 
static void cossin (int n, int d, Real &c, Real &s)
 
static void fftstep (ColumnVector &A, ColumnVector &B, ColumnVector &X, ColumnVector &Y, int after, int now, int before)
 
void FFTI (const ColumnVector &U, const ColumnVector &V, ColumnVector &X, ColumnVector &Y)
 
void RealFFT (const ColumnVector &U, ColumnVector &X, ColumnVector &Y)
 
void RealFFTI (const ColumnVector &A, const ColumnVector &B, ColumnVector &U)
 
void FFT (const ColumnVector &U, const ColumnVector &V, ColumnVector &X, ColumnVector &Y)
 
void DCT_II (const ColumnVector &U, ColumnVector &V)
 
void DCT_II_inverse (const ColumnVector &V, ColumnVector &U)
 
void DST_II (const ColumnVector &U, ColumnVector &V)
 
void DST_II_inverse (const ColumnVector &V, ColumnVector &U)
 
void DCT_inverse (const ColumnVector &V, ColumnVector &U)
 
void DCT (const ColumnVector &U, ColumnVector &V)
 
void DST_inverse (const ColumnVector &V, ColumnVector &U)
 
void DST (const ColumnVector &U, ColumnVector &V)
 
void FFT2 (const Matrix &U, const Matrix &V, Matrix &X, Matrix &Y)
 
void FFT2I (const Matrix &U, const Matrix &V, Matrix &X, Matrix &Y)
 

Detailed Description

Fast Fourier (Carl de Boor) and trig transforms.

Definition in file fft.cpp.

Macro Definition Documentation

#define REPORT   {}

Definition at line 27 of file fft.cpp.

#define WANT_MATH

Definition at line 11 of file fft.cpp.

Function Documentation

static void cossin ( int  n,
int  d,
Real c,
Real s 
)
static

Definition at line 30 of file fft.cpp.

void DCT ( const ColumnVector U,
ColumnVector V 
)

Definition at line 397 of file fft.cpp.

void DCT_II ( const ColumnVector U,
ColumnVector V 
)

Definition at line 253 of file fft.cpp.

void DCT_II_inverse ( const ColumnVector V,
ColumnVector U 
)

Definition at line 281 of file fft.cpp.

void DCT_inverse ( const ColumnVector V,
ColumnVector U 
)

Definition at line 363 of file fft.cpp.

void DST ( const ColumnVector U,
ColumnVector V 
)

Definition at line 434 of file fft.cpp.

void DST_II ( const ColumnVector U,
ColumnVector V 
)

Definition at line 308 of file fft.cpp.

void DST_II_inverse ( const ColumnVector V,
ColumnVector U 
)

Definition at line 336 of file fft.cpp.

void DST_inverse ( const ColumnVector V,
ColumnVector U 
)

Definition at line 406 of file fft.cpp.

void FFT ( const ColumnVector U,
const ColumnVector V,
ColumnVector X,
ColumnVector Y 
)

Definition at line 201 of file fft.cpp.

void FFT2 ( const Matrix U,
const Matrix V,
Matrix X,
Matrix Y 
)

Definition at line 444 of file fft.cpp.

void FFT2I ( const Matrix U,
const Matrix V,
Matrix X,
Matrix Y 
)

Definition at line 465 of file fft.cpp.

void FFTI ( const ColumnVector U,
const ColumnVector V,
ColumnVector X,
ColumnVector Y 
)

Definition at line 120 of file fft.cpp.

static void fftstep ( ColumnVector A,
ColumnVector B,
ColumnVector X,
ColumnVector Y,
int  after,
int  now,
int  before 
)
static

Definition at line 50 of file fft.cpp.

void RealFFT ( const ColumnVector U,
ColumnVector X,
ColumnVector Y 
)

Definition at line 130 of file fft.cpp.

void RealFFTI ( const ColumnVector A,
const ColumnVector B,
ColumnVector U 
)

Definition at line 166 of file fft.cpp.



kni
Author(s): Martin Günther
autogenerated on Fri Jan 3 2020 04:01:17