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comparison src/fftw-3.3.8/rdft/scalar/r2cf/r2cf_9.c @ 167:bd3cc4d1df30

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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
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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 08:06:26 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 9 -name r2cf_9 -include rdft/scalar/r2cf.h */
29
30 /*
31 * This function contains 38 FP additions, 30 FP multiplications,
32 * (or, 12 additions, 4 multiplications, 26 fused multiply/add),
33 * 48 stack variables, 18 constants, and 18 memory accesses
34 */
35 #include "rdft/scalar/r2cf.h"
36
37 static void r2cf_9(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
38 {
39 DK(KP907603734, +0.907603734547952313649323976213898122064543220);
40 DK(KP347296355, +0.347296355333860697703433253538629592000751354);
41 DK(KP852868531, +0.852868531952443209628250963940074071936020296);
42 DK(KP666666666, +0.666666666666666666666666666666666666666666667);
43 DK(KP898197570, +0.898197570222573798468955502359086394667167570);
44 DK(KP673648177, +0.673648177666930348851716626769314796000375677);
45 DK(KP879385241, +0.879385241571816768108218554649462939872416269);
46 DK(KP984807753, +0.984807753012208059366743024589523013670643252);
47 DK(KP939692620, +0.939692620785908384054109277324731469936208134);
48 DK(KP394930843, +0.394930843634698457567117349190734585290304520);
49 DK(KP866025403, +0.866025403784438646763723170752936183471402627);
50 DK(KP586256827, +0.586256827714544512072145703099641959914944179);
51 DK(KP726681596, +0.726681596905677465811651808188092531873167623);
52 DK(KP968908795, +0.968908795874236621082202410917456709164223497);
53 DK(KP203604859, +0.203604859554852403062088995281827210665664861);
54 DK(KP152703644, +0.152703644666139302296566746461370407999248646);
55 DK(KP500000000, +0.500000000000000000000000000000000000000000000);
56 DK(KP184792530, +0.184792530904095372701352047572203755870913560);
57 {
58 INT i;
59 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(36, rs), MAKE_VOLATILE_STRIDE(36, csr), MAKE_VOLATILE_STRIDE(36, csi)) {
60 E T1, T4, To, Tk, Ta, Tu, Tf, Th, Tj, Tx, Tl, Tm, Ty, Tq, T2;
61 E T3, T5, Tg;
62 T1 = R0[0];
63 T2 = R1[WS(rs, 1)];
64 T3 = R0[WS(rs, 3)];
65 T4 = T2 + T3;
66 To = T3 - T2;
67 {
68 E T6, Tb, T9, Te, Ti;
69 T6 = R1[0];
70 Tb = R0[WS(rs, 1)];
71 {
72 E T7, T8, Tc, Td;
73 T7 = R0[WS(rs, 2)];
74 T8 = R1[WS(rs, 3)];
75 T9 = T7 + T8;
76 Tk = T7 - T8;
77 Tc = R1[WS(rs, 2)];
78 Td = R0[WS(rs, 4)];
79 Te = Tc + Td;
80 Ti = Td - Tc;
81 }
82 Ta = T6 + T9;
83 Tu = FMA(KP184792530, Tk, Ti);
84 Tf = Tb + Te;
85 Th = FNMS(KP500000000, Te, Tb);
86 Tj = FNMS(KP152703644, Ti, Th);
87 Tx = FMA(KP203604859, Th, Ti);
88 Tl = FMS(KP500000000, T9, T6);
89 Tm = FNMS(KP968908795, Tl, Tk);
90 Ty = FMA(KP726681596, Tk, Tl);
91 Tq = FMA(KP586256827, Tl, Ti);
92 }
93 Ci[WS(csi, 3)] = KP866025403 * (Tf - Ta);
94 T5 = T1 + T4;
95 Tg = Ta + Tf;
96 Cr[WS(csr, 3)] = FNMS(KP500000000, Tg, T5);
97 Cr[0] = T5 + Tg;
98 {
99 E Tv, Tt, Tn, TC, TB;
100 Tt = FMA(KP394930843, Th, To);
101 Tv = FNMS(KP939692620, Tu, Tt);
102 Ci[WS(csi, 2)] = KP984807753 * (FNMS(KP879385241, Tv, Tl));
103 Tn = FMA(KP673648177, Tm, Tj);
104 TB = FMA(KP898197570, Ty, Tx);
105 TC = FMA(KP666666666, Tn, TB);
106 Ci[WS(csi, 1)] = -(KP984807753 * (FNMS(KP879385241, To, Tn)));
107 Ci[WS(csi, 4)] = KP866025403 * (FMA(KP852868531, TC, To));
108 {
109 E Tp, Ts, Tz, TA, Tr, Tw;
110 Tp = FNMS(KP500000000, T4, T1);
111 Tr = FNMS(KP347296355, Tq, Tk);
112 Ts = FNMS(KP907603734, Tr, Th);
113 Tw = FNMS(KP673648177, Tm, Tj);
114 Tz = FNMS(KP898197570, Ty, Tx);
115 TA = FNMS(KP500000000, Tz, Tw);
116 Cr[WS(csr, 2)] = FNMS(KP939692620, Ts, Tp);
117 Cr[WS(csr, 1)] = FMA(KP852868531, Tz, Tp);
118 Cr[WS(csr, 4)] = FMA(KP852868531, TA, Tp);
119 }
120 }
121 }
122 }
123 }
124
125 static const kr2c_desc desc = { 9, "r2cf_9", {12, 4, 26, 0}, &GENUS };
126
127 void X(codelet_r2cf_9) (planner *p) {
128 X(kr2c_register) (p, r2cf_9, &desc);
129 }
130
131 #else
132
133 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 9 -name r2cf_9 -include rdft/scalar/r2cf.h */
134
135 /*
136 * This function contains 38 FP additions, 26 FP multiplications,
137 * (or, 21 additions, 9 multiplications, 17 fused multiply/add),
138 * 36 stack variables, 14 constants, and 18 memory accesses
139 */
140 #include "rdft/scalar/r2cf.h"
141
142 static void r2cf_9(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
143 {
144 DK(KP939692620, +0.939692620785908384054109277324731469936208134);
145 DK(KP296198132, +0.296198132726023843175338011893050938967728390);
146 DK(KP342020143, +0.342020143325668733044099614682259580763083368);
147 DK(KP813797681, +0.813797681349373692844693217248393223289101568);
148 DK(KP984807753, +0.984807753012208059366743024589523013670643252);
149 DK(KP150383733, +0.150383733180435296639271897612501926072238258);
150 DK(KP642787609, +0.642787609686539326322643409907263432907559884);
151 DK(KP663413948, +0.663413948168938396205421319635891297216863310);
152 DK(KP852868531, +0.852868531952443209628250963940074071936020296);
153 DK(KP173648177, +0.173648177666930348851716626769314796000375677);
154 DK(KP556670399, +0.556670399226419366452912952047023132968291906);
155 DK(KP766044443, +0.766044443118978035202392650555416673935832457);
156 DK(KP866025403, +0.866025403784438646763723170752936183471402627);
157 DK(KP500000000, +0.500000000000000000000000000000000000000000000);
158 {
159 INT i;
160 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(36, rs), MAKE_VOLATILE_STRIDE(36, csr), MAKE_VOLATILE_STRIDE(36, csi)) {
161 E T1, T4, Tr, Ta, Tl, Ti, Tf, Tk, Tj, T2, T3, T5, Tg;
162 T1 = R0[0];
163 T2 = R1[WS(rs, 1)];
164 T3 = R0[WS(rs, 3)];
165 T4 = T2 + T3;
166 Tr = T3 - T2;
167 {
168 E T6, T7, T8, T9;
169 T6 = R1[0];
170 T7 = R0[WS(rs, 2)];
171 T8 = R1[WS(rs, 3)];
172 T9 = T7 + T8;
173 Ta = T6 + T9;
174 Tl = T8 - T7;
175 Ti = FNMS(KP500000000, T9, T6);
176 }
177 {
178 E Tb, Tc, Td, Te;
179 Tb = R0[WS(rs, 1)];
180 Tc = R1[WS(rs, 2)];
181 Td = R0[WS(rs, 4)];
182 Te = Tc + Td;
183 Tf = Tb + Te;
184 Tk = FNMS(KP500000000, Te, Tb);
185 Tj = Td - Tc;
186 }
187 Ci[WS(csi, 3)] = KP866025403 * (Tf - Ta);
188 T5 = T1 + T4;
189 Tg = Ta + Tf;
190 Cr[WS(csr, 3)] = FNMS(KP500000000, Tg, T5);
191 Cr[0] = T5 + Tg;
192 {
193 E Tt, Th, Tm, Tn, To, Tp, Tq, Ts;
194 Tt = KP866025403 * Tr;
195 Th = FNMS(KP500000000, T4, T1);
196 Tm = FMA(KP766044443, Ti, KP556670399 * Tl);
197 Tn = FMA(KP173648177, Tk, KP852868531 * Tj);
198 To = Tm + Tn;
199 Tp = FNMS(KP642787609, Ti, KP663413948 * Tl);
200 Tq = FNMS(KP984807753, Tk, KP150383733 * Tj);
201 Ts = Tp + Tq;
202 Cr[WS(csr, 1)] = Th + To;
203 Ci[WS(csi, 1)] = Tt + Ts;
204 Cr[WS(csr, 4)] = FMA(KP866025403, Tp - Tq, Th) - (KP500000000 * To);
205 Ci[WS(csi, 4)] = FNMS(KP500000000, Ts, KP866025403 * (Tr + (Tn - Tm)));
206 Ci[WS(csi, 2)] = FNMS(KP342020143, Tk, KP813797681 * Tj) + FNMA(KP150383733, Tl, KP984807753 * Ti) - Tt;
207 Cr[WS(csr, 2)] = FMA(KP173648177, Ti, Th) + FNMA(KP296198132, Tj, KP939692620 * Tk) - (KP852868531 * Tl);
208 }
209 }
210 }
211 }
212
213 static const kr2c_desc desc = { 9, "r2cf_9", {21, 9, 17, 0}, &GENUS };
214
215 void X(codelet_r2cf_9) (planner *p) {
216 X(kr2c_register) (p, r2cf_9, &desc);
217 }
218
219 #endif