Rev 3 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
2 | pj | 1 | /* |
2 | * Copyright (c) 1997-1999 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 Tue May 18 13:55:10 EDT 1999 */ |
||
22 | |||
107 | pj | 23 | #include <fftw-int.h> |
24 | #include <fftw.h> |
||
2 | pj | 25 | |
26 | /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 14 */ |
||
27 | |||
28 | /* |
||
29 | * This function contains 62 FP additions, 38 FP multiplications, |
||
30 | * (or, 60 additions, 36 multiplications, 2 fused multiply/add), |
||
31 | * 24 stack variables, and 28 memory accesses |
||
32 | */ |
||
33 | static const fftw_real K445041867 = FFTW_KONST(+0.445041867912628808577805128993589518932711138); |
||
34 | static const fftw_real K1_801937735 = FFTW_KONST(+1.801937735804838252472204639014890102331838324); |
||
35 | static const fftw_real K1_246979603 = FFTW_KONST(+1.246979603717467061050009768008479621264549462); |
||
36 | static const fftw_real K867767478 = FFTW_KONST(+0.867767478235116240951536665696717509219981456); |
||
37 | static const fftw_real K1_949855824 = FFTW_KONST(+1.949855824363647214036263365987862434465571601); |
||
38 | static const fftw_real K1_563662964 = FFTW_KONST(+1.563662964936059617416889053348115500464669037); |
||
39 | static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); |
||
40 | |||
41 | /* |
||
42 | * Generator Id's : |
||
107 | pj | 43 | * $Id: fcr_14.c,v 1.2 2003-03-24 11:14:55 pj Exp $ |
44 | * $Id: fcr_14.c,v 1.2 2003-03-24 11:14:55 pj Exp $ |
||
45 | * $Id: fcr_14.c,v 1.2 2003-03-24 11:14:55 pj Exp $ |
||
2 | pj | 46 | */ |
47 | |||
48 | void fftw_hc2real_14(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) |
||
49 | { |
||
50 | fftw_real tmp3; |
||
51 | fftw_real tmp13; |
||
52 | fftw_real tmp6; |
||
53 | fftw_real tmp14; |
||
54 | fftw_real tmp26; |
||
55 | fftw_real tmp35; |
||
56 | fftw_real tmp23; |
||
57 | fftw_real tmp34; |
||
58 | fftw_real tmp12; |
||
59 | fftw_real tmp16; |
||
60 | fftw_real tmp20; |
||
61 | fftw_real tmp33; |
||
62 | fftw_real tmp9; |
||
63 | fftw_real tmp15; |
||
64 | fftw_real tmp1; |
||
65 | fftw_real tmp2; |
||
66 | ASSERT_ALIGNED_DOUBLE(); |
||
67 | tmp1 = real_input[0]; |
||
68 | tmp2 = real_input[7 * real_istride]; |
||
69 | tmp3 = tmp1 - tmp2; |
||
70 | tmp13 = tmp1 + tmp2; |
||
71 | { |
||
72 | fftw_real tmp4; |
||
73 | fftw_real tmp5; |
||
74 | fftw_real tmp24; |
||
75 | fftw_real tmp25; |
||
76 | ASSERT_ALIGNED_DOUBLE(); |
||
77 | tmp4 = real_input[2 * real_istride]; |
||
78 | tmp5 = real_input[5 * real_istride]; |
||
79 | tmp6 = tmp4 - tmp5; |
||
80 | tmp14 = tmp4 + tmp5; |
||
81 | tmp24 = imag_input[2 * imag_istride]; |
||
82 | tmp25 = imag_input[5 * imag_istride]; |
||
83 | tmp26 = tmp24 - tmp25; |
||
84 | tmp35 = tmp24 + tmp25; |
||
85 | } |
||
86 | { |
||
87 | fftw_real tmp21; |
||
88 | fftw_real tmp22; |
||
89 | fftw_real tmp10; |
||
90 | fftw_real tmp11; |
||
91 | ASSERT_ALIGNED_DOUBLE(); |
||
92 | tmp21 = imag_input[6 * imag_istride]; |
||
93 | tmp22 = imag_input[imag_istride]; |
||
94 | tmp23 = tmp21 - tmp22; |
||
95 | tmp34 = tmp21 + tmp22; |
||
96 | tmp10 = real_input[6 * real_istride]; |
||
97 | tmp11 = real_input[real_istride]; |
||
98 | tmp12 = tmp10 - tmp11; |
||
99 | tmp16 = tmp10 + tmp11; |
||
100 | } |
||
101 | { |
||
102 | fftw_real tmp18; |
||
103 | fftw_real tmp19; |
||
104 | fftw_real tmp7; |
||
105 | fftw_real tmp8; |
||
106 | ASSERT_ALIGNED_DOUBLE(); |
||
107 | tmp18 = imag_input[4 * imag_istride]; |
||
108 | tmp19 = imag_input[3 * imag_istride]; |
||
109 | tmp20 = tmp18 - tmp19; |
||
110 | tmp33 = tmp18 + tmp19; |
||
111 | tmp7 = real_input[4 * real_istride]; |
||
112 | tmp8 = real_input[3 * real_istride]; |
||
113 | tmp9 = tmp7 - tmp8; |
||
114 | tmp15 = tmp7 + tmp8; |
||
115 | } |
||
116 | { |
||
117 | fftw_real tmp38; |
||
118 | fftw_real tmp37; |
||
119 | fftw_real tmp29; |
||
120 | fftw_real tmp28; |
||
121 | ASSERT_ALIGNED_DOUBLE(); |
||
122 | output[7 * ostride] = tmp3 + (K2_000000000 * (tmp6 + tmp9 + tmp12)); |
||
123 | tmp38 = (K1_563662964 * tmp35) + (K1_949855824 * tmp33) + (K867767478 * tmp34); |
||
124 | tmp37 = tmp3 + (K1_246979603 * tmp6) - (K1_801937735 * tmp12) - (K445041867 * tmp9); |
||
125 | output[ostride] = tmp37 - tmp38; |
||
126 | output[13 * ostride] = tmp37 + tmp38; |
||
127 | { |
||
128 | fftw_real tmp40; |
||
129 | fftw_real tmp39; |
||
130 | fftw_real tmp36; |
||
131 | fftw_real tmp32; |
||
132 | ASSERT_ALIGNED_DOUBLE(); |
||
133 | tmp40 = (K867767478 * tmp33) + (K1_563662964 * tmp34) - (K1_949855824 * tmp35); |
||
134 | tmp39 = tmp3 + (K1_246979603 * tmp12) - (K1_801937735 * tmp9) - (K445041867 * tmp6); |
||
135 | output[5 * ostride] = tmp39 - tmp40; |
||
136 | output[9 * ostride] = tmp39 + tmp40; |
||
137 | tmp36 = (K1_563662964 * tmp33) - (K1_949855824 * tmp34) - (K867767478 * tmp35); |
||
138 | tmp32 = tmp3 + (K1_246979603 * tmp9) - (K445041867 * tmp12) - (K1_801937735 * tmp6); |
||
139 | output[11 * ostride] = tmp32 - tmp36; |
||
140 | output[3 * ostride] = tmp32 + tmp36; |
||
141 | } |
||
142 | output[0] = tmp13 + (K2_000000000 * (tmp14 + tmp15 + tmp16)); |
||
143 | tmp29 = (K867767478 * tmp20) + (K1_563662964 * tmp23) - (K1_949855824 * tmp26); |
||
144 | tmp28 = tmp13 + (K1_246979603 * tmp16) - (K1_801937735 * tmp15) - (K445041867 * tmp14); |
||
145 | output[12 * ostride] = tmp28 - tmp29; |
||
146 | output[2 * ostride] = tmp28 + tmp29; |
||
147 | { |
||
148 | fftw_real tmp31; |
||
149 | fftw_real tmp30; |
||
150 | fftw_real tmp27; |
||
151 | fftw_real tmp17; |
||
152 | ASSERT_ALIGNED_DOUBLE(); |
||
153 | tmp31 = (K1_563662964 * tmp26) + (K1_949855824 * tmp20) + (K867767478 * tmp23); |
||
154 | tmp30 = tmp13 + (K1_246979603 * tmp14) - (K1_801937735 * tmp16) - (K445041867 * tmp15); |
||
155 | output[8 * ostride] = tmp30 - tmp31; |
||
156 | output[6 * ostride] = tmp30 + tmp31; |
||
157 | tmp27 = (K1_563662964 * tmp20) - (K1_949855824 * tmp23) - (K867767478 * tmp26); |
||
158 | tmp17 = tmp13 + (K1_246979603 * tmp15) - (K445041867 * tmp16) - (K1_801937735 * tmp14); |
||
159 | output[4 * ostride] = tmp17 - tmp27; |
||
160 | output[10 * ostride] = tmp17 + tmp27; |
||
161 | } |
||
162 | } |
||
163 | } |
||
164 | |||
165 | fftw_codelet_desc fftw_hc2real_14_desc = |
||
166 | { |
||
167 | "fftw_hc2real_14", |
||
168 | (void (*)()) fftw_hc2real_14, |
||
169 | 14, |
||
170 | FFTW_BACKWARD, |
||
171 | FFTW_HC2REAL, |
||
172 | 323, |
||
173 | 0, |
||
174 | (const int *) 0, |
||
175 | }; |