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comparison src/fftw-3.3.3/dft/scalar/codelets/n1_9.c @ 10:37bf6b4a2645
Add FFTW3
author | Chris Cannam |
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date | Wed, 20 Mar 2013 15:35:50 +0000 |
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9:c0fb53affa76 | 10:37bf6b4a2645 |
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1 /* | |
2 * Copyright (c) 2003, 2007-11 Matteo Frigo | |
3 * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology | |
4 * | |
5 * This program is free software; you can redistribute it and/or modify | |
6 * it under the terms of the GNU General Public License as published by | |
7 * the Free Software Foundation; either version 2 of the License, or | |
8 * (at your option) any later version. | |
9 * | |
10 * This program is distributed in the hope that it will be useful, | |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 * GNU General Public License for more details. | |
14 * | |
15 * You should have received a copy of the GNU General Public License | |
16 * along with this program; if not, write to the Free Software | |
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
18 * | |
19 */ | |
20 | |
21 /* This file was automatically generated --- DO NOT EDIT */ | |
22 /* Generated on Sun Nov 25 07:35:42 EST 2012 */ | |
23 | |
24 #include "codelet-dft.h" | |
25 | |
26 #ifdef HAVE_FMA | |
27 | |
28 /* Generated by: ../../../genfft/gen_notw.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 9 -name n1_9 -include n.h */ | |
29 | |
30 /* | |
31 * This function contains 80 FP additions, 56 FP multiplications, | |
32 * (or, 24 additions, 0 multiplications, 56 fused multiply/add), | |
33 * 59 stack variables, 10 constants, and 36 memory accesses | |
34 */ | |
35 #include "n.h" | |
36 | |
37 static void n1_9(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) | |
38 { | |
39 DK(KP954188894, +0.954188894138671133499268364187245676532219158); | |
40 DK(KP363970234, +0.363970234266202361351047882776834043890471784); | |
41 DK(KP852868531, +0.852868531952443209628250963940074071936020296); | |
42 DK(KP984807753, +0.984807753012208059366743024589523013670643252); | |
43 DK(KP492403876, +0.492403876506104029683371512294761506835321626); | |
44 DK(KP777861913, +0.777861913430206160028177977318626690410586096); | |
45 DK(KP839099631, +0.839099631177280011763127298123181364687434283); | |
46 DK(KP176326980, +0.176326980708464973471090386868618986121633062); | |
47 DK(KP866025403, +0.866025403784438646763723170752936183471402627); | |
48 DK(KP500000000, +0.500000000000000000000000000000000000000000000); | |
49 { | |
50 INT i; | |
51 for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(36, is), MAKE_VOLATILE_STRIDE(36, os)) { | |
52 E T17, TV, T14, TY, T11, T15; | |
53 { | |
54 E Tm, TM, TL, T5, Tl, T1f, Tb, Tt, Ta, T1c, TI, TX, TF, TW, Tc; | |
55 E Td, Tp, Tq; | |
56 { | |
57 E T1, Th, Ti, Tj, T4, T2, T3; | |
58 T1 = ri[0]; | |
59 T2 = ri[WS(is, 3)]; | |
60 T3 = ri[WS(is, 6)]; | |
61 Th = ii[0]; | |
62 Ti = ii[WS(is, 3)]; | |
63 Tj = ii[WS(is, 6)]; | |
64 T4 = T2 + T3; | |
65 Tm = T3 - T2; | |
66 { | |
67 E T6, Tz, T7, T8, TA, TB, Tk; | |
68 T6 = ri[WS(is, 1)]; | |
69 TM = Ti - Tj; | |
70 Tk = Ti + Tj; | |
71 TL = FNMS(KP500000000, T4, T1); | |
72 T5 = T1 + T4; | |
73 Tz = ii[WS(is, 1)]; | |
74 Tl = FNMS(KP500000000, Tk, Th); | |
75 T1f = Th + Tk; | |
76 T7 = ri[WS(is, 4)]; | |
77 T8 = ri[WS(is, 7)]; | |
78 TA = ii[WS(is, 4)]; | |
79 TB = ii[WS(is, 7)]; | |
80 { | |
81 E TE, T9, TH, TC, TG, TD; | |
82 Tb = ri[WS(is, 2)]; | |
83 TE = T7 - T8; | |
84 T9 = T7 + T8; | |
85 TH = TB - TA; | |
86 TC = TA + TB; | |
87 Tt = ii[WS(is, 2)]; | |
88 Ta = T6 + T9; | |
89 TG = FNMS(KP500000000, T9, T6); | |
90 T1c = Tz + TC; | |
91 TD = FNMS(KP500000000, TC, Tz); | |
92 TI = FNMS(KP866025403, TH, TG); | |
93 TX = FMA(KP866025403, TH, TG); | |
94 TF = FNMS(KP866025403, TE, TD); | |
95 TW = FMA(KP866025403, TE, TD); | |
96 Tc = ri[WS(is, 5)]; | |
97 Td = ri[WS(is, 8)]; | |
98 Tp = ii[WS(is, 5)]; | |
99 Tq = ii[WS(is, 8)]; | |
100 } | |
101 } | |
102 } | |
103 { | |
104 E Tn, TN, TZ, T10, TO, Ty, TJ, TP; | |
105 { | |
106 E Tw, Te, Tu, Tr; | |
107 T17 = FNMS(KP866025403, Tm, Tl); | |
108 Tn = FMA(KP866025403, Tm, Tl); | |
109 Tw = Td - Tc; | |
110 Te = Tc + Td; | |
111 Tu = Tp + Tq; | |
112 Tr = Tp - Tq; | |
113 TN = FMA(KP866025403, TM, TL); | |
114 TV = FNMS(KP866025403, TM, TL); | |
115 { | |
116 E Tf, To, T1d, Tv; | |
117 Tf = Tb + Te; | |
118 To = FNMS(KP500000000, Te, Tb); | |
119 T1d = Tt + Tu; | |
120 Tv = FNMS(KP500000000, Tu, Tt); | |
121 { | |
122 E Ts, Tg, T1i, Tx; | |
123 Ts = FMA(KP866025403, Tr, To); | |
124 TZ = FNMS(KP866025403, Tr, To); | |
125 Tg = Ta + Tf; | |
126 T1i = Tf - Ta; | |
127 Tx = FMA(KP866025403, Tw, Tv); | |
128 T10 = FNMS(KP866025403, Tw, Tv); | |
129 { | |
130 E T1e, T1g, T1b, T1h; | |
131 T1e = T1c - T1d; | |
132 T1g = T1c + T1d; | |
133 ro[0] = T5 + Tg; | |
134 T1b = FNMS(KP500000000, Tg, T5); | |
135 io[0] = T1f + T1g; | |
136 T1h = FNMS(KP500000000, T1g, T1f); | |
137 TO = FMA(KP176326980, Ts, Tx); | |
138 Ty = FNMS(KP176326980, Tx, Ts); | |
139 ro[WS(os, 6)] = FNMS(KP866025403, T1e, T1b); | |
140 ro[WS(os, 3)] = FMA(KP866025403, T1e, T1b); | |
141 io[WS(os, 6)] = FNMS(KP866025403, T1i, T1h); | |
142 io[WS(os, 3)] = FMA(KP866025403, T1i, T1h); | |
143 TJ = FNMS(KP839099631, TI, TF); | |
144 TP = FMA(KP839099631, TF, TI); | |
145 } | |
146 } | |
147 } | |
148 } | |
149 { | |
150 E TS, TK, TU, TQ, TT, TR; | |
151 TS = FMA(KP777861913, TJ, Ty); | |
152 TK = FNMS(KP777861913, TJ, Ty); | |
153 TU = FNMS(KP777861913, TP, TO); | |
154 TQ = FMA(KP777861913, TP, TO); | |
155 TT = FMA(KP492403876, TK, Tn); | |
156 io[WS(os, 1)] = FNMS(KP984807753, TK, Tn); | |
157 TR = FNMS(KP492403876, TQ, TN); | |
158 ro[WS(os, 1)] = FMA(KP984807753, TQ, TN); | |
159 io[WS(os, 4)] = FMA(KP852868531, TU, TT); | |
160 io[WS(os, 7)] = FNMS(KP852868531, TU, TT); | |
161 ro[WS(os, 7)] = FNMS(KP852868531, TS, TR); | |
162 ro[WS(os, 4)] = FMA(KP852868531, TS, TR); | |
163 T14 = FNMS(KP176326980, TW, TX); | |
164 TY = FMA(KP176326980, TX, TW); | |
165 T11 = FNMS(KP363970234, T10, TZ); | |
166 T15 = FMA(KP363970234, TZ, T10); | |
167 } | |
168 } | |
169 } | |
170 { | |
171 E T12, T1a, T16, T18, T13, T19; | |
172 T12 = FNMS(KP954188894, T11, TY); | |
173 T1a = FMA(KP954188894, T11, TY); | |
174 T16 = FNMS(KP954188894, T15, T14); | |
175 T18 = FMA(KP954188894, T15, T14); | |
176 T13 = FNMS(KP492403876, T12, TV); | |
177 ro[WS(os, 2)] = FMA(KP984807753, T12, TV); | |
178 T19 = FMA(KP492403876, T18, T17); | |
179 io[WS(os, 2)] = FNMS(KP984807753, T18, T17); | |
180 ro[WS(os, 8)] = FMA(KP852868531, T16, T13); | |
181 ro[WS(os, 5)] = FNMS(KP852868531, T16, T13); | |
182 io[WS(os, 8)] = FMA(KP852868531, T1a, T19); | |
183 io[WS(os, 5)] = FNMS(KP852868531, T1a, T19); | |
184 } | |
185 } | |
186 } | |
187 } | |
188 | |
189 static const kdft_desc desc = { 9, "n1_9", {24, 0, 56, 0}, &GENUS, 0, 0, 0, 0 }; | |
190 | |
191 void X(codelet_n1_9) (planner *p) { | |
192 X(kdft_register) (p, n1_9, &desc); | |
193 } | |
194 | |
195 #else /* HAVE_FMA */ | |
196 | |
197 /* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 9 -name n1_9 -include n.h */ | |
198 | |
199 /* | |
200 * This function contains 80 FP additions, 40 FP multiplications, | |
201 * (or, 60 additions, 20 multiplications, 20 fused multiply/add), | |
202 * 39 stack variables, 8 constants, and 36 memory accesses | |
203 */ | |
204 #include "n.h" | |
205 | |
206 static void n1_9(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs) | |
207 { | |
208 DK(KP939692620, +0.939692620785908384054109277324731469936208134); | |
209 DK(KP342020143, +0.342020143325668733044099614682259580763083368); | |
210 DK(KP984807753, +0.984807753012208059366743024589523013670643252); | |
211 DK(KP173648177, +0.173648177666930348851716626769314796000375677); | |
212 DK(KP642787609, +0.642787609686539326322643409907263432907559884); | |
213 DK(KP766044443, +0.766044443118978035202392650555416673935832457); | |
214 DK(KP500000000, +0.500000000000000000000000000000000000000000000); | |
215 DK(KP866025403, +0.866025403784438646763723170752936183471402627); | |
216 { | |
217 INT i; | |
218 for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(36, is), MAKE_VOLATILE_STRIDE(36, os)) { | |
219 E T5, TO, Th, Tk, T1g, TR, Ta, T1c, Tq, TW, Tv, TX, Tf, T1d, TB; | |
220 E T10, TG, TZ; | |
221 { | |
222 E T1, T2, T3, T4; | |
223 T1 = ri[0]; | |
224 T2 = ri[WS(is, 3)]; | |
225 T3 = ri[WS(is, 6)]; | |
226 T4 = T2 + T3; | |
227 T5 = T1 + T4; | |
228 TO = KP866025403 * (T3 - T2); | |
229 Th = FNMS(KP500000000, T4, T1); | |
230 } | |
231 { | |
232 E TP, Ti, Tj, TQ; | |
233 TP = ii[0]; | |
234 Ti = ii[WS(is, 3)]; | |
235 Tj = ii[WS(is, 6)]; | |
236 TQ = Ti + Tj; | |
237 Tk = KP866025403 * (Ti - Tj); | |
238 T1g = TP + TQ; | |
239 TR = FNMS(KP500000000, TQ, TP); | |
240 } | |
241 { | |
242 E T6, Ts, T9, Tr, Tp, Tt, Tm, Tu; | |
243 T6 = ri[WS(is, 1)]; | |
244 Ts = ii[WS(is, 1)]; | |
245 { | |
246 E T7, T8, Tn, To; | |
247 T7 = ri[WS(is, 4)]; | |
248 T8 = ri[WS(is, 7)]; | |
249 T9 = T7 + T8; | |
250 Tr = KP866025403 * (T8 - T7); | |
251 Tn = ii[WS(is, 4)]; | |
252 To = ii[WS(is, 7)]; | |
253 Tp = KP866025403 * (Tn - To); | |
254 Tt = Tn + To; | |
255 } | |
256 Ta = T6 + T9; | |
257 T1c = Ts + Tt; | |
258 Tm = FNMS(KP500000000, T9, T6); | |
259 Tq = Tm + Tp; | |
260 TW = Tm - Tp; | |
261 Tu = FNMS(KP500000000, Tt, Ts); | |
262 Tv = Tr + Tu; | |
263 TX = Tu - Tr; | |
264 } | |
265 { | |
266 E Tb, TD, Te, TC, TA, TE, Tx, TF; | |
267 Tb = ri[WS(is, 2)]; | |
268 TD = ii[WS(is, 2)]; | |
269 { | |
270 E Tc, Td, Ty, Tz; | |
271 Tc = ri[WS(is, 5)]; | |
272 Td = ri[WS(is, 8)]; | |
273 Te = Tc + Td; | |
274 TC = KP866025403 * (Td - Tc); | |
275 Ty = ii[WS(is, 5)]; | |
276 Tz = ii[WS(is, 8)]; | |
277 TA = KP866025403 * (Ty - Tz); | |
278 TE = Ty + Tz; | |
279 } | |
280 Tf = Tb + Te; | |
281 T1d = TD + TE; | |
282 Tx = FNMS(KP500000000, Te, Tb); | |
283 TB = Tx + TA; | |
284 T10 = Tx - TA; | |
285 TF = FNMS(KP500000000, TE, TD); | |
286 TG = TC + TF; | |
287 TZ = TF - TC; | |
288 } | |
289 { | |
290 E T1e, Tg, T1b, T1f, T1h, T1i; | |
291 T1e = KP866025403 * (T1c - T1d); | |
292 Tg = Ta + Tf; | |
293 T1b = FNMS(KP500000000, Tg, T5); | |
294 ro[0] = T5 + Tg; | |
295 ro[WS(os, 3)] = T1b + T1e; | |
296 ro[WS(os, 6)] = T1b - T1e; | |
297 T1f = KP866025403 * (Tf - Ta); | |
298 T1h = T1c + T1d; | |
299 T1i = FNMS(KP500000000, T1h, T1g); | |
300 io[WS(os, 3)] = T1f + T1i; | |
301 io[0] = T1g + T1h; | |
302 io[WS(os, 6)] = T1i - T1f; | |
303 } | |
304 { | |
305 E Tl, TS, TI, TN, TM, TT, TJ, TU; | |
306 Tl = Th + Tk; | |
307 TS = TO + TR; | |
308 { | |
309 E Tw, TH, TK, TL; | |
310 Tw = FMA(KP766044443, Tq, KP642787609 * Tv); | |
311 TH = FMA(KP173648177, TB, KP984807753 * TG); | |
312 TI = Tw + TH; | |
313 TN = KP866025403 * (TH - Tw); | |
314 TK = FNMS(KP642787609, Tq, KP766044443 * Tv); | |
315 TL = FNMS(KP984807753, TB, KP173648177 * TG); | |
316 TM = KP866025403 * (TK - TL); | |
317 TT = TK + TL; | |
318 } | |
319 ro[WS(os, 1)] = Tl + TI; | |
320 io[WS(os, 1)] = TS + TT; | |
321 TJ = FNMS(KP500000000, TI, Tl); | |
322 ro[WS(os, 7)] = TJ - TM; | |
323 ro[WS(os, 4)] = TJ + TM; | |
324 TU = FNMS(KP500000000, TT, TS); | |
325 io[WS(os, 4)] = TN + TU; | |
326 io[WS(os, 7)] = TU - TN; | |
327 } | |
328 { | |
329 E TV, T14, T12, T13, T17, T1a, T18, T19; | |
330 TV = Th - Tk; | |
331 T14 = TR - TO; | |
332 { | |
333 E TY, T11, T15, T16; | |
334 TY = FMA(KP173648177, TW, KP984807753 * TX); | |
335 T11 = FNMS(KP939692620, T10, KP342020143 * TZ); | |
336 T12 = TY + T11; | |
337 T13 = KP866025403 * (T11 - TY); | |
338 T15 = FNMS(KP984807753, TW, KP173648177 * TX); | |
339 T16 = FMA(KP342020143, T10, KP939692620 * TZ); | |
340 T17 = T15 - T16; | |
341 T1a = KP866025403 * (T15 + T16); | |
342 } | |
343 ro[WS(os, 2)] = TV + T12; | |
344 io[WS(os, 2)] = T14 + T17; | |
345 T18 = FNMS(KP500000000, T17, T14); | |
346 io[WS(os, 5)] = T13 + T18; | |
347 io[WS(os, 8)] = T18 - T13; | |
348 T19 = FNMS(KP500000000, T12, TV); | |
349 ro[WS(os, 8)] = T19 - T1a; | |
350 ro[WS(os, 5)] = T19 + T1a; | |
351 } | |
352 } | |
353 } | |
354 } | |
355 | |
356 static const kdft_desc desc = { 9, "n1_9", {60, 20, 20, 0}, &GENUS, 0, 0, 0, 0 }; | |
357 | |
358 void X(codelet_n1_9) (planner *p) { | |
359 X(kdft_register) (p, n1_9, &desc); | |
360 } | |
361 | |
362 #endif /* HAVE_FMA */ |