Subversion Repositories shark

Rev

Rev 2 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 pj 1
/*
2
 * Copyright (c) 1997-1999 Massachusetts Institute of Technology
3
 *
4
 * This program is free software; you can redistribute it and/or modify
5
 * it under the terms of the GNU General Public License as published by
6
 * the Free Software Foundation; either version 2 of the License, or
7
 * (at your option) any later version.
8
 *
9
 * This program is distributed in the hope that it will be useful,
10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
 * GNU General Public License for more details.
13
 *
14
 * You should have received a copy of the GNU General Public License
15
 * along with this program; if not, write to the Free Software
16
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17
 *
18
 */
19
 
20
/* This file was automatically generated --- DO NOT EDIT */
21
/* Generated on Tue May 18 13:55:04 EDT 1999 */
22
 
23
#include <ports/fftw-int.h>
24
#include <ports/fftw.h>
25
 
26
/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 2 */
27
 
28
/*
29
 * This function contains 2 FP additions, 0 FP multiplications,
30
 * (or, 2 additions, 0 multiplications, 0 fused multiply/add),
31
 * 2 stack variables, and 4 memory accesses
32
 */
33
 
34
/*
35
 * Generator Id's :
36
 * $Id: fcr_2.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
37
 * $Id: fcr_2.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
38
 * $Id: fcr_2.c,v 1.1.1.1 2002-03-29 14:12:57 pj Exp $
39
 */
40
 
41
void fftw_hc2real_2(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
42
{
43
     fftw_real tmp1;
44
     fftw_real tmp2;
45
     ASSERT_ALIGNED_DOUBLE();
46
     tmp1 = real_input[0];
47
     tmp2 = real_input[real_istride];
48
     output[ostride] = tmp1 - tmp2;
49
     output[0] = tmp1 + tmp2;
50
}
51
 
52
fftw_codelet_desc fftw_hc2real_2_desc =
53
{
54
     "fftw_hc2real_2",
55
     (void (*)()) fftw_hc2real_2,
56
     2,
57
     FFTW_BACKWARD,
58
     FFTW_HC2REAL,
59
     59,
60
     0,
61
     (const int *) 0,
62
};