Functions |
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static int | linogram_grid (int T, int R, double *x, double *w) |
| | Generates the points x with weights w for the linogram grid with T slopes and R offsets.
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static int | linogram_dft (fftw_complex *f_hat, int NN, fftw_complex *f, int T, int R, int m) |
| | discrete pseudo-polar FFT
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static int | linogram_fft (fftw_complex *f_hat, int NN, fftw_complex *f, int T, int R, int m) |
| | NFFT-based pseudo-polar FFT.
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static int | inverse_linogram_fft (fftw_complex *f, int T, int R, fftw_complex *f_hat, int NN, int max_i, int m) |
| | NFFT-based inverse pseudo-polar FFT.
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int | comparison_fft (FILE *fp, int N, int T, int R) |
| | Comparison of the FFTW, linogram FFT, and inverse linogram FFT.
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int | main (int argc, char **argv) |
| | test program for various parameters
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