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 13:54:35 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 -real2hc 9 */ |
||
27 | |||
28 | /* |
||
29 | * This function contains 38 FP additions, 26 FP multiplications, |
||
30 | * (or, 29 additions, 17 multiplications, 9 fused multiply/add), |
||
31 | * 21 stack variables, and 18 memory accesses |
||
32 | */ |
||
33 | static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368); |
||
34 | static const fftw_real K813797681 = FFTW_KONST(+0.813797681349373692844693217248393223289101568); |
||
35 | static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134); |
||
36 | static const fftw_real K296198132 = FFTW_KONST(+0.296198132726023843175338011893050938967728390); |
||
37 | static const fftw_real K852868531 = FFTW_KONST(+0.852868531952443209628250963940074071936020296); |
||
38 | static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677); |
||
39 | static const fftw_real K556670399 = FFTW_KONST(+0.556670399226419366452912952047023132968291906); |
||
40 | static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457); |
||
41 | static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252); |
||
42 | static const fftw_real K150383733 = FFTW_KONST(+0.150383733180435296639271897612501926072238258); |
||
43 | static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884); |
||
44 | static const fftw_real K663413948 = FFTW_KONST(+0.663413948168938396205421319635891297216863310); |
||
45 | static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); |
||
46 | static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); |
||
47 | |||
48 | /* |
||
49 | * Generator Id's : |
||
107 | pj | 50 | * $Id: frc_9.c,v 1.2 2003-03-24 11:14:59 pj Exp $ |
51 | * $Id: frc_9.c,v 1.2 2003-03-24 11:14:59 pj Exp $ |
||
52 | * $Id: frc_9.c,v 1.2 2003-03-24 11:14:59 pj Exp $ |
||
2 | pj | 53 | */ |
54 | |||
55 | void fftw_real2hc_9(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) |
||
56 | { |
||
57 | fftw_real tmp1; |
||
58 | fftw_real tmp15; |
||
59 | fftw_real tmp20; |
||
60 | fftw_real tmp19; |
||
61 | fftw_real tmp4; |
||
62 | fftw_real tmp27; |
||
63 | fftw_real tmp10; |
||
64 | fftw_real tmp18; |
||
65 | fftw_real tmp21; |
||
66 | fftw_real tmp2; |
||
67 | fftw_real tmp3; |
||
68 | fftw_real tmp5; |
||
69 | fftw_real tmp16; |
||
70 | ASSERT_ALIGNED_DOUBLE(); |
||
71 | tmp1 = input[0]; |
||
72 | { |
||
73 | fftw_real tmp11; |
||
74 | fftw_real tmp12; |
||
75 | fftw_real tmp13; |
||
76 | fftw_real tmp14; |
||
77 | ASSERT_ALIGNED_DOUBLE(); |
||
78 | tmp11 = input[2 * istride]; |
||
79 | tmp12 = input[5 * istride]; |
||
80 | tmp13 = input[8 * istride]; |
||
81 | tmp14 = tmp12 + tmp13; |
||
82 | tmp15 = tmp11 + tmp14; |
||
83 | tmp20 = tmp11 - (K500000000 * tmp14); |
||
84 | tmp19 = tmp13 - tmp12; |
||
85 | } |
||
86 | tmp2 = input[3 * istride]; |
||
87 | tmp3 = input[6 * istride]; |
||
88 | tmp4 = tmp2 + tmp3; |
||
89 | tmp27 = tmp3 - tmp2; |
||
90 | { |
||
91 | fftw_real tmp6; |
||
92 | fftw_real tmp7; |
||
93 | fftw_real tmp8; |
||
94 | fftw_real tmp9; |
||
95 | ASSERT_ALIGNED_DOUBLE(); |
||
96 | tmp6 = input[istride]; |
||
97 | tmp7 = input[4 * istride]; |
||
98 | tmp8 = input[7 * istride]; |
||
99 | tmp9 = tmp7 + tmp8; |
||
100 | tmp10 = tmp6 + tmp9; |
||
101 | tmp18 = tmp6 - (K500000000 * tmp9); |
||
102 | tmp21 = tmp8 - tmp7; |
||
103 | } |
||
104 | imag_output[3 * imag_ostride] = K866025403 * (tmp15 - tmp10); |
||
105 | tmp5 = tmp1 + tmp4; |
||
106 | tmp16 = tmp10 + tmp15; |
||
107 | real_output[3 * real_ostride] = tmp5 - (K500000000 * tmp16); |
||
108 | real_output[0] = tmp5 + tmp16; |
||
109 | { |
||
110 | fftw_real tmp29; |
||
111 | fftw_real tmp25; |
||
112 | fftw_real tmp26; |
||
113 | fftw_real tmp28; |
||
114 | fftw_real tmp17; |
||
115 | fftw_real tmp22; |
||
116 | fftw_real tmp23; |
||
117 | fftw_real tmp24; |
||
118 | ASSERT_ALIGNED_DOUBLE(); |
||
119 | tmp29 = K866025403 * tmp27; |
||
120 | tmp25 = (K663413948 * tmp21) - (K642787609 * tmp18); |
||
121 | tmp26 = (K150383733 * tmp19) - (K984807753 * tmp20); |
||
122 | tmp28 = tmp25 + tmp26; |
||
123 | tmp17 = tmp1 - (K500000000 * tmp4); |
||
124 | tmp22 = (K766044443 * tmp18) + (K556670399 * tmp21); |
||
125 | tmp23 = (K173648177 * tmp20) + (K852868531 * tmp19); |
||
126 | tmp24 = tmp22 + tmp23; |
||
127 | real_output[real_ostride] = tmp17 + tmp24; |
||
128 | real_output[4 * real_ostride] = tmp17 + (K866025403 * (tmp25 - tmp26)) - (K500000000 * tmp24); |
||
129 | real_output[2 * real_ostride] = tmp17 + (K173648177 * tmp18) - (K296198132 * tmp19) - (K939692620 * tmp20) - (K852868531 * tmp21); |
||
130 | imag_output[imag_ostride] = tmp29 + tmp28; |
||
131 | imag_output[4 * imag_ostride] = (K866025403 * (tmp27 + (tmp23 - tmp22))) - (K500000000 * tmp28); |
||
132 | imag_output[2 * imag_ostride] = (K813797681 * tmp19) - (K342020143 * tmp20) - (K150383733 * tmp21) - (K984807753 * tmp18) - tmp29; |
||
133 | } |
||
134 | } |
||
135 | |||
136 | fftw_codelet_desc fftw_real2hc_9_desc = |
||
137 | { |
||
138 | "fftw_real2hc_9", |
||
139 | (void (*)()) fftw_real2hc_9, |
||
140 | 9, |
||
141 | FFTW_FORWARD, |
||
142 | FFTW_REAL2HC, |
||
143 | 200, |
||
144 | 0, |
||
145 | (const int *) 0, |
||
146 | }; |