1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* $Id: simplefft.h 24831 2022-05-19 13:33:34Z yeti-dn $
* Copyright (C) 2003 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* 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 2 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.
*/
#ifndef __GWY_PROCESS_SIMPLEFFT_H__
#define __GWY_PROCESS_SIMPLEFFT_H__
#include <glib.h>
#include <libprocess/gwyprocessenums.h>
#include <libprocess/datafield.h>
G_BEGIN_DECLS
void gwy_fft_simple (GwyTransformDirection dir,
gint n,
gint istride,
const gdouble *in_re,
const gdouble *in_im,
gint ostride,
gdouble *out_re,
gdouble *out_im);
void gwy_fft_window (gint n,
gdouble *data,
GwyWindowingType windowing);
void gwy_fft_window_data_field(GwyDataField *dfield,
GwyOrientation orientation,
GwyWindowingType windowing);
G_END_DECLS
#endif /* __GWY_PROCESS_SIMPLEFFT__ */
/* vim: set cin columns=120 tw=118 et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
|
