/* fft/signals.h

 * 

 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough

 * 

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or (at

 * your option) any later version.

 * 

 * This program 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 General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

int FUNCTION(fft_signal,complex_pulse) (const size_t k, 

                                        const size_t n,

                                        const size_t stride,

                                        const BASE z_real, 

                                        const BASE z_imag,

                                        BASE data[],

                                        BASE fft[]);

int FUNCTION(fft_signal,complex_constant) (const size_t n,

                                           const size_t stride,

                                           const BASE z_real,

                                           const BASE z_imag,

                                           BASE data[],

                                           BASE fft[]);

int FUNCTION(fft_signal,complex_exp) (const int k,

                                      const size_t n,

                                      const size_t stride,

                                      const BASE z_real,

                                      const BASE z_imag,

                                      BASE data[],

                                      BASE fft[]);

int FUNCTION(fft_signal,complex_exppair) (const int k1,

                                          const int k2,

                                          const size_t n,

                                          const size_t stride,

                                          const BASE z1_real,

                                          const BASE z1_imag,

                                          const BASE z2_real,

                                          const BASE z2_imag,

                                          BASE data[],

                                          BASE fft[]);

int FUNCTION(fft_signal,complex_noise) (const size_t n,

                                        const size_t stride,

                                        BASE data[],

                                        BASE fft[]);

int FUNCTION(fft_signal,real_noise) (const size_t n,

                                     const size_t stride,

                                     BASE data[],

                                     BASE fft[]);