diff options
| author | scuri <scuri> | 2008-10-17 06:10:15 +0000 | 
|---|---|---|
| committer | scuri <scuri> | 2008-10-17 06:10:15 +0000 | 
| commit | 5a422aba704c375a307a902bafe658342e209906 (patch) | |
| tree | 5005011e086bb863d8fb587ad3319bbec59b2447 /src/fftw/fni_4.c | |
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw/fni_4.c')
| -rw-r--r-- | src/fftw/fni_4.c | 102 | 
1 files changed, 102 insertions, 0 deletions
| diff --git a/src/fftw/fni_4.c b/src/fftw/fni_4.c new file mode 100644 index 0000000..f20547e --- /dev/null +++ b/src/fftw/fni_4.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 1997-1999, 2003 Massachusetts Institute of Technology + * + * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA + * + */ + +/* This file was automatically generated --- DO NOT EDIT */ +/* Generated on Mon Mar 24 02:06:18 EST 2003 */ + +#include "fftw-int.h" +#include "fftw.h" + +/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 4 */ + +/* + * This function contains 16 FP additions, 0 FP multiplications, + * (or, 16 additions, 0 multiplications, 0 fused multiply/add), + * 12 stack variables, and 16 memory accesses + */ + +/* + * Generator Id's :  + * $Id: fni_4.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fni_4.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fni_4.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + */ + +void fftwi_no_twiddle_4(const fftw_complex *input, fftw_complex *output, +			int istride, int ostride) +{ +     fftw_real tmp3; +     fftw_real tmp11; +     fftw_real tmp10; +     fftw_real tmp15; +     fftw_real tmp6; +     fftw_real tmp7; +     fftw_real tmp14; +     fftw_real tmp16; +     ASSERT_ALIGNED_DOUBLE; +     { +	  fftw_real tmp1; +	  fftw_real tmp2; +	  fftw_real tmp8; +	  fftw_real tmp9; +	  ASSERT_ALIGNED_DOUBLE; +	  tmp1 = c_re(input[0]); +	  tmp2 = c_re(input[2 * istride]); +	  tmp3 = tmp1 + tmp2; +	  tmp11 = tmp1 - tmp2; +	  tmp8 = c_im(input[0]); +	  tmp9 = c_im(input[2 * istride]); +	  tmp10 = tmp8 - tmp9; +	  tmp15 = tmp8 + tmp9; +     } +     { +	  fftw_real tmp4; +	  fftw_real tmp5; +	  fftw_real tmp12; +	  fftw_real tmp13; +	  ASSERT_ALIGNED_DOUBLE; +	  tmp4 = c_re(input[istride]); +	  tmp5 = c_re(input[3 * istride]); +	  tmp6 = tmp4 + tmp5; +	  tmp7 = tmp4 - tmp5; +	  tmp12 = c_im(input[istride]); +	  tmp13 = c_im(input[3 * istride]); +	  tmp14 = tmp12 - tmp13; +	  tmp16 = tmp12 + tmp13; +     } +     c_re(output[2 * ostride]) = tmp3 - tmp6; +     c_re(output[0]) = tmp3 + tmp6; +     c_im(output[ostride]) = tmp7 + tmp10; +     c_im(output[3 * ostride]) = tmp10 - tmp7; +     c_re(output[ostride]) = tmp11 - tmp14; +     c_re(output[3 * ostride]) = tmp11 + tmp14; +     c_im(output[2 * ostride]) = tmp15 - tmp16; +     c_im(output[0]) = tmp15 + tmp16; +} + +fftw_codelet_desc fftwi_no_twiddle_4_desc = { +     "fftwi_no_twiddle_4", +     (void (*)()) fftwi_no_twiddle_4, +     4, +     FFTW_BACKWARD, +     FFTW_NOTW, +     100, +     0, +     (const int *) 0, +}; | 
