Mercurial > hg > sv-dependency-builds

comparison src/fftw-3.3.8/rdft/scalar/r2cf/r2cfII_16.c @ 167:bd3cc4d1df30

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 19 Nov 2019 14:52:55 +0000
parents
children
comparison
equal deleted inserted replaced
166:cbd6d7e562c7 167:bd3cc4d1df30
1 /*
2 * Copyright (c) 2003, 2007-14 Matteo Frigo
3 * Copyright (c) 2003, 2007-14 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 Thu May 24 08:06:43 EDT 2018 */
23
24 #include "rdft/codelet-rdft.h"
25
26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
27
28 /* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 16 -name r2cfII_16 -dft-II -include rdft/scalar/r2cfII.h */
29
30 /*
31 * This function contains 66 FP additions, 48 FP multiplications,
32 * (or, 18 additions, 0 multiplications, 48 fused multiply/add),
33 * 32 stack variables, 7 constants, and 32 memory accesses
34 */
35 #include "rdft/scalar/r2cfII.h"
36
37 static void r2cfII_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
38 {
39 DK(KP980785280, +0.980785280403230449126182236134239036973933731);
40 DK(KP198912367, +0.198912367379658006911597622644676228597850501);
41 DK(KP831469612, +0.831469612302545237078788377617905756738560812);
42 DK(KP668178637, +0.668178637919298919997757686523080761552472251);
43 DK(KP923879532, +0.923879532511286756128183189396788286822416626);
44 DK(KP414213562, +0.414213562373095048801688724209698078569671875);
45 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
46 {
47 INT i;
48 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
49 E T5, TZ, TB, TT, Tr, TK, Tu, TJ, Ti, TH, Tl, TG, Tc, T10, TE;
50 E TU;
51 {
52 E T1, TR, T4, TS, T2, T3;
53 T1 = R0[0];
54 TR = R0[WS(rs, 4)];
55 T2 = R0[WS(rs, 2)];
56 T3 = R0[WS(rs, 6)];
57 T4 = T2 - T3;
58 TS = T2 + T3;
59 T5 = FNMS(KP707106781, T4, T1);
60 TZ = FNMS(KP707106781, TS, TR);
61 TB = FMA(KP707106781, T4, T1);
62 TT = FMA(KP707106781, TS, TR);
63 }
64 {
65 E Tn, Ts, Tq, Tt, To, Tp;
66 Tn = R1[WS(rs, 7)];
67 Ts = R1[WS(rs, 3)];
68 To = R1[WS(rs, 1)];
69 Tp = R1[WS(rs, 5)];
70 Tq = To - Tp;
71 Tt = To + Tp;
72 Tr = FMA(KP707106781, Tq, Tn);
73 TK = FMA(KP707106781, Tt, Ts);
74 Tu = FNMS(KP707106781, Tt, Ts);
75 TJ = FMS(KP707106781, Tq, Tn);
76 }
77 {
78 E Te, Tj, Th, Tk, Tf, Tg;
79 Te = R1[0];
80 Tj = R1[WS(rs, 4)];
81 Tf = R1[WS(rs, 2)];
82 Tg = R1[WS(rs, 6)];
83 Th = Tf - Tg;
84 Tk = Tf + Tg;
85 Ti = FNMS(KP707106781, Th, Te);
86 TH = FMA(KP707106781, Tk, Tj);
87 Tl = FNMS(KP707106781, Tk, Tj);
88 TG = FMA(KP707106781, Th, Te);
89 }
90 {
91 E T8, TC, Tb, TD;
92 {
93 E T6, T7, T9, Ta;
94 T6 = R0[WS(rs, 5)];
95 T7 = R0[WS(rs, 1)];
96 T8 = FMA(KP414213562, T7, T6);
97 TC = FNMS(KP414213562, T6, T7);
98 T9 = R0[WS(rs, 3)];
99 Ta = R0[WS(rs, 7)];
100 Tb = FMA(KP414213562, Ta, T9);
101 TD = FMS(KP414213562, T9, Ta);
102 }
103 Tc = T8 - Tb;
104 T10 = TD - TC;
105 TE = TC + TD;
106 TU = T8 + Tb;
107 }
108 {
109 E Td, T13, Tw, T14, Tm, Tv;
110 Td = FMA(KP923879532, Tc, T5);
111 T13 = FNMS(KP923879532, T10, TZ);
112 Tm = FMA(KP668178637, Tl, Ti);
113 Tv = FMA(KP668178637, Tu, Tr);
114 Tw = Tm - Tv;
115 T14 = Tm + Tv;
116 Cr[WS(csr, 6)] = FNMS(KP831469612, Tw, Td);
117 Ci[WS(csi, 5)] = FNMS(KP831469612, T14, T13);
118 Cr[WS(csr, 1)] = FMA(KP831469612, Tw, Td);
119 Ci[WS(csi, 2)] = -(FMA(KP831469612, T14, T13));
120 }
121 {
122 E Tx, T11, TA, T12, Ty, Tz;
123 Tx = FNMS(KP923879532, Tc, T5);
124 T11 = FMA(KP923879532, T10, TZ);
125 Ty = FNMS(KP668178637, Tr, Tu);
126 Tz = FNMS(KP668178637, Ti, Tl);
127 TA = Ty - Tz;
128 T12 = Tz + Ty;
129 Cr[WS(csr, 5)] = FNMS(KP831469612, TA, Tx);
130 Ci[WS(csi, 1)] = FMA(KP831469612, T12, T11);
131 Cr[WS(csr, 2)] = FMA(KP831469612, TA, Tx);
132 Ci[WS(csi, 6)] = FMS(KP831469612, T12, T11);
133 }
134 {
135 E TF, TX, TM, TY, TI, TL;
136 TF = FMA(KP923879532, TE, TB);
137 TX = FNMS(KP923879532, TU, TT);
138 TI = FNMS(KP198912367, TH, TG);
139 TL = FMA(KP198912367, TK, TJ);
140 TM = TI + TL;
141 TY = TL - TI;
142 Cr[WS(csr, 7)] = FNMS(KP980785280, TM, TF);
143 Ci[WS(csi, 3)] = FMA(KP980785280, TY, TX);
144 Cr[0] = FMA(KP980785280, TM, TF);
145 Ci[WS(csi, 4)] = FMS(KP980785280, TY, TX);
146 }
147 {
148 E TN, TV, TQ, TW, TO, TP;
149 TN = FNMS(KP923879532, TE, TB);
150 TV = FMA(KP923879532, TU, TT);
151 TO = FMA(KP198912367, TG, TH);
152 TP = FNMS(KP198912367, TJ, TK);
153 TQ = TO - TP;
154 TW = TO + TP;
155 Cr[WS(csr, 4)] = FNMS(KP980785280, TQ, TN);
156 Ci[WS(csi, 7)] = FNMS(KP980785280, TW, TV);
157 Cr[WS(csr, 3)] = FMA(KP980785280, TQ, TN);
158 Ci[0] = -(FMA(KP980785280, TW, TV));
159 }
160 }
161 }
162 }
163
164 static const kr2c_desc desc = { 16, "r2cfII_16", {18, 0, 48, 0}, &GENUS };
165
166 void X(codelet_r2cfII_16) (planner *p) {
167 X(kr2c_register) (p, r2cfII_16, &desc);
168 }
169
170 #else
171
172 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 16 -name r2cfII_16 -dft-II -include rdft/scalar/r2cfII.h */
173
174 /*
175 * This function contains 66 FP additions, 30 FP multiplications,
176 * (or, 54 additions, 18 multiplications, 12 fused multiply/add),
177 * 32 stack variables, 7 constants, and 32 memory accesses
178 */
179 #include "rdft/scalar/r2cfII.h"
180
181 static void r2cfII_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
182 {
183 DK(KP555570233, +0.555570233019602224742830813948532874374937191);
184 DK(KP831469612, +0.831469612302545237078788377617905756738560812);
185 DK(KP980785280, +0.980785280403230449126182236134239036973933731);
186 DK(KP195090322, +0.195090322016128267848284868477022240927691618);
187 DK(KP382683432, +0.382683432365089771728459984030398866761344562);
188 DK(KP923879532, +0.923879532511286756128183189396788286822416626);
189 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
190 {
191 INT i;
192 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
193 E T5, T11, TB, TV, Tr, TK, Tu, TJ, Ti, TH, Tl, TG, Tc, T10, TE;
194 E TS;
195 {
196 E T1, TU, T4, TT, T2, T3;
197 T1 = R0[0];
198 TU = R0[WS(rs, 4)];
199 T2 = R0[WS(rs, 2)];
200 T3 = R0[WS(rs, 6)];
201 T4 = KP707106781 * (T2 - T3);
202 TT = KP707106781 * (T2 + T3);
203 T5 = T1 + T4;
204 T11 = TU - TT;
205 TB = T1 - T4;
206 TV = TT + TU;
207 }
208 {
209 E Tq, Tt, Tp, Ts, Tn, To;
210 Tq = R1[WS(rs, 7)];
211 Tt = R1[WS(rs, 3)];
212 Tn = R1[WS(rs, 1)];
213 To = R1[WS(rs, 5)];
214 Tp = KP707106781 * (Tn - To);
215 Ts = KP707106781 * (Tn + To);
216 Tr = Tp - Tq;
217 TK = Tt - Ts;
218 Tu = Ts + Tt;
219 TJ = Tp + Tq;
220 }
221 {
222 E Te, Tk, Th, Tj, Tf, Tg;
223 Te = R1[0];
224 Tk = R1[WS(rs, 4)];
225 Tf = R1[WS(rs, 2)];
226 Tg = R1[WS(rs, 6)];
227 Th = KP707106781 * (Tf - Tg);
228 Tj = KP707106781 * (Tf + Tg);
229 Ti = Te + Th;
230 TH = Tk - Tj;
231 Tl = Tj + Tk;
232 TG = Te - Th;
233 }
234 {
235 E T8, TC, Tb, TD;
236 {
237 E T6, T7, T9, Ta;
238 T6 = R0[WS(rs, 1)];
239 T7 = R0[WS(rs, 5)];
240 T8 = FNMS(KP382683432, T7, KP923879532 * T6);
241 TC = FMA(KP382683432, T6, KP923879532 * T7);
242 T9 = R0[WS(rs, 3)];
243 Ta = R0[WS(rs, 7)];
244 Tb = FNMS(KP923879532, Ta, KP382683432 * T9);
245 TD = FMA(KP923879532, T9, KP382683432 * Ta);
246 }
247 Tc = T8 + Tb;
248 T10 = Tb - T8;
249 TE = TC - TD;
250 TS = TC + TD;
251 }
252 {
253 E Td, TW, Tw, TR, Tm, Tv;
254 Td = T5 - Tc;
255 TW = TS + TV;
256 Tm = FMA(KP195090322, Ti, KP980785280 * Tl);
257 Tv = FNMS(KP980785280, Tu, KP195090322 * Tr);
258 Tw = Tm + Tv;
259 TR = Tv - Tm;
260 Cr[WS(csr, 4)] = Td - Tw;
261 Ci[WS(csi, 7)] = TR + TW;
262 Cr[WS(csr, 3)] = Td + Tw;
263 Ci[0] = TR - TW;
264 }
265 {
266 E Tx, TY, TA, TX, Ty, Tz;
267 Tx = T5 + Tc;
268 TY = TV - TS;
269 Ty = FNMS(KP195090322, Tl, KP980785280 * Ti);
270 Tz = FMA(KP980785280, Tr, KP195090322 * Tu);
271 TA = Ty + Tz;
272 TX = Tz - Ty;
273 Cr[WS(csr, 7)] = Tx - TA;
274 Ci[WS(csi, 3)] = TX + TY;
275 Cr[0] = Tx + TA;
276 Ci[WS(csi, 4)] = TX - TY;
277 }
278 {
279 E TF, T12, TM, TZ, TI, TL;
280 TF = TB + TE;
281 T12 = T10 - T11;
282 TI = FMA(KP831469612, TG, KP555570233 * TH);
283 TL = FMA(KP831469612, TJ, KP555570233 * TK);
284 TM = TI - TL;
285 TZ = TI + TL;
286 Cr[WS(csr, 6)] = TF - TM;
287 Ci[WS(csi, 2)] = T12 - TZ;
288 Cr[WS(csr, 1)] = TF + TM;
289 Ci[WS(csi, 5)] = -(TZ + T12);
290 }
291 {
292 E TN, T14, TQ, T13, TO, TP;
293 TN = TB - TE;
294 T14 = T10 + T11;
295 TO = FNMS(KP555570233, TJ, KP831469612 * TK);
296 TP = FNMS(KP555570233, TG, KP831469612 * TH);
297 TQ = TO - TP;
298 T13 = TP + TO;
299 Cr[WS(csr, 5)] = TN - TQ;
300 Ci[WS(csi, 1)] = T13 + T14;
301 Cr[WS(csr, 2)] = TN + TQ;
302 Ci[WS(csi, 6)] = T13 - T14;
303 }
304 }
305 }
306 }
307
308 static const kr2c_desc desc = { 16, "r2cfII_16", {54, 18, 12, 0}, &GENUS };
309
310 void X(codelet_r2cfII_16) (planner *p) {
311 X(kr2c_register) (p, r2cfII_16, &desc);
312 }
313
314 #endif