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fni_9.c
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1 /*
2 * Copyright (c) 1997-1999, 2003 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 Mon Mar 24 02:06:25 EST 2003 */
22
23 #include "fftw-int.h"
24 #include "fftw.h"
25
26 /* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddleinv 9 */
27
28 /*
29 * This function contains 80 FP additions, 40 FP multiplications,
30 * (or, 60 additions, 20 multiplications, 20 fused multiply/add),
31 * 30 stack variables, and 36 memory accesses
32 */
33 static const fftw_real K642787609 =
34 FFTW_KONST(+0.642787609686539326322643409907263432907559884);
35 static const fftw_real K766044443 =
36 FFTW_KONST(+0.766044443118978035202392650555416673935832457);
37 static const fftw_real K939692620 =
38 FFTW_KONST(+0.939692620785908384054109277324731469936208134);
39 static const fftw_real K342020143 =
40 FFTW_KONST(+0.342020143325668733044099614682259580763083368);
41 static const fftw_real K984807753 =
42 FFTW_KONST(+0.984807753012208059366743024589523013670643252);
43 static const fftw_real K173648177 =
44 FFTW_KONST(+0.173648177666930348851716626769314796000375677);
45 static const fftw_real K866025403 =
46 FFTW_KONST(+0.866025403784438646763723170752936183471402627);
47 static const fftw_real K500000000 =
48 FFTW_KONST(+0.500000000000000000000000000000000000000000000);
49
50 /*
51 * Generator Id's :
52 * $Id: exprdag.ml,v 1.43 2003/03/16 23:43:46 stevenj Exp $
53 * $Id: fft.ml,v 1.44 2003/03/16 23:43:46 stevenj Exp $
54 * $Id: to_c.ml,v 1.26 2003/03/16 23:43:46 stevenj Exp $
55 */
56
57 void fftwi_no_twiddle_9(const fftw_complex *input, fftw_complex *output,
58 int istride, int ostride)
59 {
60 fftw_real tmp5;
61 fftw_real tmp37;
62 fftw_real tmp57;
63 fftw_real tmp22;
64 fftw_real tmp56;
65 fftw_real tmp38;
66 fftw_real tmp10;
67 fftw_real tmp42;
68 fftw_real tmp66;
69 fftw_real tmp27;
70 fftw_real tmp45;
71 fftw_real tmp67;
72 fftw_real tmp15;
73 fftw_real tmp52;
74 fftw_real tmp69;
75 fftw_real tmp32;
76 fftw_real tmp49;
77 fftw_real tmp70;
78 ASSERT_ALIGNED_DOUBLE;
79 {
80 fftw_real tmp1;
81 fftw_real tmp2;
82 fftw_real tmp3;
83 fftw_real tmp4;
84 ASSERT_ALIGNED_DOUBLE;
85 tmp1 = c_re(input[0]);
86 tmp2 = c_re(input[3 * istride]);
87 tmp3 = c_re(input[6 * istride]);
88 tmp4 = tmp2 + tmp3;
89 tmp5 = tmp1 + tmp4;
90 tmp37 = tmp1 - (K500000000 * tmp4);
91 tmp57 = K866025403 * (tmp2 - tmp3);
92 }
93 {
94 fftw_real tmp18;
95 fftw_real tmp19;
96 fftw_real tmp20;
97 fftw_real tmp21;
98 ASSERT_ALIGNED_DOUBLE;
99 tmp18 = c_im(input[0]);
100 tmp19 = c_im(input[3 * istride]);
101 tmp20 = c_im(input[6 * istride]);
102 tmp21 = tmp19 + tmp20;
103 tmp22 = tmp18 + tmp21;
104 tmp56 = tmp18 - (K500000000 * tmp21);
105 tmp38 = K866025403 * (tmp20 - tmp19);
106 }
107 {
108 fftw_real tmp6;
109 fftw_real tmp23;
110 fftw_real tmp9;
111 fftw_real tmp44;
112 fftw_real tmp26;
113 fftw_real tmp41;
114 fftw_real tmp40;
115 fftw_real tmp43;
116 ASSERT_ALIGNED_DOUBLE;
117 tmp6 = c_re(input[istride]);
118 tmp23 = c_im(input[istride]);
119 {
120 fftw_real tmp7;
121 fftw_real tmp8;
122 fftw_real tmp24;
123 fftw_real tmp25;
124 ASSERT_ALIGNED_DOUBLE;
125 tmp7 = c_re(input[4 * istride]);
126 tmp8 = c_re(input[7 * istride]);
127 tmp9 = tmp7 + tmp8;
128 tmp44 = K866025403 * (tmp7 - tmp8);
129 tmp24 = c_im(input[4 * istride]);
130 tmp25 = c_im(input[7 * istride]);
131 tmp26 = tmp24 + tmp25;
132 tmp41 = K866025403 * (tmp25 - tmp24);
133 }
134 tmp10 = tmp6 + tmp9;
135 tmp40 = tmp6 - (K500000000 * tmp9);
136 tmp42 = tmp40 - tmp41;
137 tmp66 = tmp40 + tmp41;
138 tmp27 = tmp23 + tmp26;
139 tmp43 = tmp23 - (K500000000 * tmp26);
140 tmp45 = tmp43 - tmp44;
141 tmp67 = tmp44 + tmp43;
142 }
143 {
144 fftw_real tmp11;
145 fftw_real tmp28;
146 fftw_real tmp14;
147 fftw_real tmp48;
148 fftw_real tmp31;
149 fftw_real tmp51;
150 fftw_real tmp50;
151 fftw_real tmp47;
152 ASSERT_ALIGNED_DOUBLE;
153 tmp11 = c_re(input[2 * istride]);
154 tmp28 = c_im(input[2 * istride]);
155 {
156 fftw_real tmp12;
157 fftw_real tmp13;
158 fftw_real tmp29;
159 fftw_real tmp30;
160 ASSERT_ALIGNED_DOUBLE;
161 tmp12 = c_re(input[5 * istride]);
162 tmp13 = c_re(input[8 * istride]);
163 tmp14 = tmp12 + tmp13;
164 tmp48 = K866025403 * (tmp12 - tmp13);
165 tmp29 = c_im(input[5 * istride]);
166 tmp30 = c_im(input[8 * istride]);
167 tmp31 = tmp29 + tmp30;
168 tmp51 = K866025403 * (tmp30 - tmp29);
169 }
170 tmp15 = tmp11 + tmp14;
171 tmp50 = tmp11 - (K500000000 * tmp14);
172 tmp52 = tmp50 - tmp51;
173 tmp69 = tmp50 + tmp51;
174 tmp32 = tmp28 + tmp31;
175 tmp47 = tmp28 - (K500000000 * tmp31);
176 tmp49 = tmp47 - tmp48;
177 tmp70 = tmp48 + tmp47;
178 }
179 {
180 fftw_real tmp36;
181 fftw_real tmp16;
182 fftw_real tmp35;
183 fftw_real tmp17;
184 fftw_real tmp33;
185 fftw_real tmp34;
186 ASSERT_ALIGNED_DOUBLE;
187 tmp36 = K866025403 * (tmp32 - tmp27);
188 tmp16 = tmp10 + tmp15;
189 tmp35 = tmp5 - (K500000000 * tmp16);
190 c_re(output[0]) = tmp5 + tmp16;
191 c_re(output[3 * ostride]) = tmp35 + tmp36;
192 c_re(output[6 * ostride]) = tmp35 - tmp36;
193 tmp17 = K866025403 * (tmp10 - tmp15);
194 tmp33 = tmp27 + tmp32;
195 tmp34 = tmp22 - (K500000000 * tmp33);
196 c_im(output[3 * ostride]) = tmp17 + tmp34;
197 c_im(output[6 * ostride]) = tmp34 - tmp17;
198 c_im(output[0]) = tmp22 + tmp33;
199 }
200 {
201 fftw_real tmp39;
202 fftw_real tmp61;
203 fftw_real tmp64;
204 fftw_real tmp58;
205 fftw_real tmp54;
206 fftw_real tmp55;
207 fftw_real tmp63;
208 fftw_real tmp62;
209 ASSERT_ALIGNED_DOUBLE;
210 {
211 fftw_real tmp59;
212 fftw_real tmp60;
213 fftw_real tmp46;
214 fftw_real tmp53;
215 ASSERT_ALIGNED_DOUBLE;
216 tmp39 = tmp37 - tmp38;
217 tmp59 = (K173648177 * tmp45) + (K984807753 * tmp42);
218 tmp60 = (K342020143 * tmp52) - (K939692620 * tmp49);
219 tmp61 = tmp59 + tmp60;
220 tmp64 = K866025403 * (tmp60 - tmp59);
221 tmp58 = tmp56 - tmp57;
222 tmp46 = (K173648177 * tmp42) - (K984807753 * tmp45);
223 tmp53 = (K342020143 * tmp49) + (K939692620 * tmp52);
224 tmp54 = tmp46 - tmp53;
225 tmp55 = K866025403 * (tmp46 + tmp53);
226 }
227 c_re(output[2 * ostride]) = tmp39 + tmp54;
228 tmp63 = tmp39 - (K500000000 * tmp54);
229 c_re(output[8 * ostride]) = tmp63 - tmp64;
230 c_re(output[5 * ostride]) = tmp63 + tmp64;
231 c_im(output[2 * ostride]) = tmp58 + tmp61;
232 tmp62 = tmp58 - (K500000000 * tmp61);
233 c_im(output[5 * ostride]) = tmp55 + tmp62;
234 c_im(output[8 * ostride]) = tmp62 - tmp55;
235 }
236 {
237 fftw_real tmp65;
238 fftw_real tmp77;
239 fftw_real tmp80;
240 fftw_real tmp74;
241 fftw_real tmp72;
242 fftw_real tmp73;
243 fftw_real tmp79;
244 fftw_real tmp78;
245 ASSERT_ALIGNED_DOUBLE;
246 {
247 fftw_real tmp75;
248 fftw_real tmp76;
249 fftw_real tmp68;
250 fftw_real tmp71;
251 ASSERT_ALIGNED_DOUBLE;
252 tmp65 = tmp37 + tmp38;
253 tmp75 = (K766044443 * tmp67) + (K642787609 * tmp66);
254 tmp76 = (K173648177 * tmp70) + (K984807753 * tmp69);
255 tmp77 = tmp75 + tmp76;
256 tmp80 = K866025403 * (tmp76 - tmp75);
257 tmp74 = tmp57 + tmp56;
258 tmp68 = (K766044443 * tmp66) - (K642787609 * tmp67);
259 tmp71 = (K173648177 * tmp69) - (K984807753 * tmp70);
260 tmp72 = tmp68 + tmp71;
261 tmp73 = K866025403 * (tmp68 - tmp71);
262 }
263 c_re(output[ostride]) = tmp65 + tmp72;
264 tmp79 = tmp65 - (K500000000 * tmp72);
265 c_re(output[7 * ostride]) = tmp79 - tmp80;
266 c_re(output[4 * ostride]) = tmp79 + tmp80;
267 c_im(output[ostride]) = tmp74 + tmp77;
268 tmp78 = tmp74 - (K500000000 * tmp77);
269 c_im(output[4 * ostride]) = tmp73 + tmp78;
270 c_im(output[7 * ostride]) = tmp78 - tmp73;
271 }
272 }
273
274 fftw_codelet_desc fftwi_no_twiddle_9_desc = {
275 "fftwi_no_twiddle_9",
276 (void (*)()) fftwi_no_twiddle_9,
277 9,
278 FFTW_BACKWARD,
279 FFTW_NOTW,
280 210,
281 0,
282 (const int *) 0,
283 };
fftw_codelet_desc
Definition: fftw.h:126
fftw-int.h
fftw_complex
Definition: fftw.h:57
FFTW_KONST
#define FFTW_KONST(x)
Definition: fftw-int.h:178
fftwi_no_twiddle_9
void fftwi_no_twiddle_9(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
Definition: fni_9.c:57
fftw.h
fftwi_no_twiddle_9_desc
fftw_codelet_desc fftwi_no_twiddle_9_desc
Definition: fni_9.c:274
c_re
#define c_re(c)
Definition: fftw.h:60
FFTW_BACKWARD
Definition: fftw.h:64
ASSERT_ALIGNED_DOUBLE
#define ASSERT_ALIGNED_DOUBLE
Definition: fftw-int.h:236
c_im
#define c_im(c)
Definition: fftw.h:61
fftw_real
float fftw_real
Definition: fftw.h:49
FFTW_NOTW
Definition: fftw.h:121