include/gsl/gsl_dft_complex_float.h

0001 /* fft/gsl_dft_complex_float.h
0002  *
0003  * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
0004  *
0005  * This program is free software; you can redistribute it and/or modify
0006  * it under the terms of the GNU General Public License as published by
0007  * the Free Software Foundation; either version 3 of the License, or (at
0008  * your option) any later version.
0009  *
0010  * This program is distributed in the hope that it will be useful, but
0011  * WITHOUT ANY WARRANTY; without even the implied warranty of
0012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0013  * General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU General Public License
0016  * along with this program; if not, write to the Free Software
0017  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
0018  */
0019
0020 #ifndef __GSL_DFT_COMPLEX_FLOAT_H__
0021 #define __GSL_DFT_COMPLEX_FLOAT_H__
0022
0023 #include <stddef.h>
0024
0025 #include <gsl/gsl_math.h>
0026 #include <gsl/gsl_complex.h>
0027 #include <gsl/gsl_fft.h>
0028
0029 #undef __BEGIN_DECLS
0030 #undef __END_DECLS
0031 #ifdef __cplusplus
0032 # define __BEGIN_DECLS extern "C" {
0033 # define __END_DECLS }
0034 #else
0035 # define __BEGIN_DECLS /* empty */
0036 # define __END_DECLS /* empty */
0037 #endif
0038
0039 __BEGIN_DECLS
0040
0041 int gsl_dft_complex_float_forward (const float data[], const size_t stride, const size_t n,
0042                              float result[]);
0043
0044 int gsl_dft_complex_float_backward (const float data[], const size_t stride, const size_t n,
0045                               float result[]);
0046
0047 int gsl_dft_complex_float_inverse (const float data[], const size_t stride, const size_t n,
0048                              float result[]);
0049
0050 int gsl_dft_complex_float_transform (const float data[], const size_t stride, const size_t n,
0051                      float result[], const gsl_fft_direction sign);
0052
0053 __END_DECLS
0054
0055 #endif /* __GSL_DFT_COMPLEX_FLOAT_H__ */