Coverage Report

Created: 2026-01-17 06:13

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/fftw3/dft/scalar/codelets/n1_5.c
Line
Count
Source
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 Sat Jan 17 06:09:36 UTC 2026 */
23
24
#include "dft/codelet-dft.h"
25
26
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
27
28
/* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 5 -name n1_5 -include dft/scalar/n.h */
29
30
/*
31
 * This function contains 32 FP additions, 18 FP multiplications,
32
 * (or, 14 additions, 0 multiplications, 18 fused multiply/add),
33
 * 21 stack variables, 4 constants, and 20 memory accesses
34
 */
35
#include "dft/scalar/n.h"
36
37
static void n1_5(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
38
{
39
     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
40
     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
41
     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
42
     DK(KP618033988, +0.618033988749894848204586834365638117720309180);
43
     {
44
    INT i;
45
    for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(20, is), MAKE_VOLATILE_STRIDE(20, os)) {
46
         E T1, Tl, T8, Tt, Ta, Ts, Te, Tq, Th, To;
47
         T1 = ri[0];
48
         Tl = ii[0];
49
         {
50
        E T2, T3, T4, T5, T6, T7;
51
        T2 = ri[WS(is, 1)];
52
        T3 = ri[WS(is, 4)];
53
        T4 = T2 + T3;
54
        T5 = ri[WS(is, 2)];
55
        T6 = ri[WS(is, 3)];
56
        T7 = T5 + T6;
57
        T8 = T4 + T7;
58
        Tt = T5 - T6;
59
        Ta = T4 - T7;
60
        Ts = T2 - T3;
61
         }
62
         {
63
        E Tc, Td, Tm, Tf, Tg, Tn;
64
        Tc = ii[WS(is, 1)];
65
        Td = ii[WS(is, 4)];
66
        Tm = Tc + Td;
67
        Tf = ii[WS(is, 2)];
68
        Tg = ii[WS(is, 3)];
69
        Tn = Tf + Tg;
70
        Te = Tc - Td;
71
        Tq = Tm - Tn;
72
        Th = Tf - Tg;
73
        To = Tm + Tn;
74
         }
75
         ro[0] = T1 + T8;
76
         io[0] = Tl + To;
77
         {
78
        E Ti, Tk, Tb, Tj, T9;
79
        Ti = FMA(KP618033988, Th, Te);
80
        Tk = FNMS(KP618033988, Te, Th);
81
        T9 = FNMS(KP250000000, T8, T1);
82
        Tb = FMA(KP559016994, Ta, T9);
83
        Tj = FNMS(KP559016994, Ta, T9);
84
        ro[WS(os, 4)] = FNMS(KP951056516, Ti, Tb);
85
        ro[WS(os, 3)] = FMA(KP951056516, Tk, Tj);
86
        ro[WS(os, 1)] = FMA(KP951056516, Ti, Tb);
87
        ro[WS(os, 2)] = FNMS(KP951056516, Tk, Tj);
88
         }
89
         {
90
        E Tu, Tw, Tr, Tv, Tp;
91
        Tu = FMA(KP618033988, Tt, Ts);
92
        Tw = FNMS(KP618033988, Ts, Tt);
93
        Tp = FNMS(KP250000000, To, Tl);
94
        Tr = FMA(KP559016994, Tq, Tp);
95
        Tv = FNMS(KP559016994, Tq, Tp);
96
        io[WS(os, 1)] = FNMS(KP951056516, Tu, Tr);
97
        io[WS(os, 3)] = FNMS(KP951056516, Tw, Tv);
98
        io[WS(os, 4)] = FMA(KP951056516, Tu, Tr);
99
        io[WS(os, 2)] = FMA(KP951056516, Tw, Tv);
100
         }
101
    }
102
     }
103
}
104
105
static const kdft_desc desc = { 5, "n1_5", { 14, 0, 18, 0 }, &GENUS, 0, 0, 0, 0 };
106
107
void X(codelet_n1_5) (planner *p) { X(kdft_register) (p, n1_5, &desc);
108
}
109
110
#else
111
112
/* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 5 -name n1_5 -include dft/scalar/n.h */
113
114
/*
115
 * This function contains 32 FP additions, 12 FP multiplications,
116
 * (or, 26 additions, 6 multiplications, 6 fused multiply/add),
117
 * 21 stack variables, 4 constants, and 20 memory accesses
118
 */
119
#include "dft/scalar/n.h"
120
121
static void n1_5(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
122
8
{
123
8
     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
124
8
     DK(KP587785252, +0.587785252292473129168705954639072768597652438);
125
8
     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
126
8
     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
127
8
     {
128
8
    INT i;
129
28
    for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(20, is), MAKE_VOLATILE_STRIDE(20, os)) {
130
20
         E T1, To, T8, Tt, T9, Ts, Te, Tp, Th, Tn;
131
20
         T1 = ri[0];
132
20
         To = ii[0];
133
20
         {
134
20
        E T2, T3, T4, T5, T6, T7;
135
20
        T2 = ri[WS(is, 1)];
136
20
        T3 = ri[WS(is, 4)];
137
20
        T4 = T2 + T3;
138
20
        T5 = ri[WS(is, 2)];
139
20
        T6 = ri[WS(is, 3)];
140
20
        T7 = T5 + T6;
141
20
        T8 = T4 + T7;
142
20
        Tt = T5 - T6;
143
20
        T9 = KP559016994 * (T4 - T7);
144
20
        Ts = T2 - T3;
145
20
         }
146
20
         {
147
20
        E Tc, Td, Tl, Tf, Tg, Tm;
148
20
        Tc = ii[WS(is, 1)];
149
20
        Td = ii[WS(is, 4)];
150
20
        Tl = Tc + Td;
151
20
        Tf = ii[WS(is, 2)];
152
20
        Tg = ii[WS(is, 3)];
153
20
        Tm = Tf + Tg;
154
20
        Te = Tc - Td;
155
20
        Tp = Tl + Tm;
156
20
        Th = Tf - Tg;
157
20
        Tn = KP559016994 * (Tl - Tm);
158
20
         }
159
20
         ro[0] = T1 + T8;
160
20
         io[0] = To + Tp;
161
20
         {
162
20
        E Ti, Tk, Tb, Tj, Ta;
163
20
        Ti = FMA(KP951056516, Te, KP587785252 * Th);
164
20
        Tk = FNMS(KP587785252, Te, KP951056516 * Th);
165
20
        Ta = FNMS(KP250000000, T8, T1);
166
20
        Tb = T9 + Ta;
167
20
        Tj = Ta - T9;
168
20
        ro[WS(os, 4)] = Tb - Ti;
169
20
        ro[WS(os, 3)] = Tj + Tk;
170
20
        ro[WS(os, 1)] = Tb + Ti;
171
20
        ro[WS(os, 2)] = Tj - Tk;
172
20
         }
173
20
         {
174
20
        E Tu, Tv, Tr, Tw, Tq;
175
20
        Tu = FMA(KP951056516, Ts, KP587785252 * Tt);
176
20
        Tv = FNMS(KP587785252, Ts, KP951056516 * Tt);
177
20
        Tq = FNMS(KP250000000, Tp, To);
178
20
        Tr = Tn + Tq;
179
20
        Tw = Tq - Tn;
180
20
        io[WS(os, 1)] = Tr - Tu;
181
20
        io[WS(os, 3)] = Tw - Tv;
182
20
        io[WS(os, 4)] = Tu + Tr;
183
20
        io[WS(os, 2)] = Tv + Tw;
184
20
         }
185
20
    }
186
8
     }
187
8
}
188
189
static const kdft_desc desc = { 5, "n1_5", { 26, 6, 6, 0 }, &GENUS, 0, 0, 0, 0 };
190
191
1
void X(codelet_n1_5) (planner *p) { X(kdft_register) (p, n1_5, &desc);
192
1
}
193
194
#endif