QtiPlot
0.9.8.2
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Functions | |
void | fft (double *x_int_re, double *x_int_im, int taille) |
void | fft2d (double **xtre, double **xtim, int width, int height, bool shift) |
void | fft2d_inv (double **xtre, double **xtim, double **xrec_re, double **xrec_im, int width, int height, bool undoShift) |
void | fft_inv (double *x_int_re, double *x_int_im, int taille) |
bool | isPower2 (int n) |
int | next2Power (int n) |
void fft | ( | double * | x_int_re, |
double * | x_int_im, | ||
int | taille | ||
) |
References M_PI.
Referenced by FFTDialog::accept(), fft2d(), and FFTDialog::fftMatrix().
void fft2d | ( | double ** | xtre, |
double ** | xtim, | ||
int | width, | ||
int | height, | ||
bool | shift | ||
) |
References Matrix::allocateMatrixData(), fft(), and Matrix::freeMatrixData().
Referenced by MatrixModel::fft(), and FFT::fftMatrix().
void fft2d_inv | ( | double ** | xtre, |
double ** | xtim, | ||
double ** | xrec_re, | ||
double ** | xrec_im, | ||
int | width, | ||
int | height, | ||
bool | undoShift | ||
) |
References Matrix::allocateMatrixData(), fft_inv(), and Matrix::freeMatrixData().
Referenced by MatrixModel::fft(), and FFT::fftMatrix().
void fft_inv | ( | double * | x_int_re, |
double * | x_int_im, | ||
int | taille | ||
) |
References M_PI.
Referenced by fft2d_inv().
bool isPower2 | ( | int | n | ) |
Referenced by FFTDialog::activateDataSet(), FFT::fftMatrix(), and FFTDialog::setMatrix().
int next2Power | ( | int | n | ) |
Referenced by FFT::fftMatrix().