diff options
Diffstat (limited to 'src/fftw/ftwi_9.c')
| -rw-r--r-- | src/fftw/ftwi_9.c | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/src/fftw/ftwi_9.c b/src/fftw/ftwi_9.c new file mode 100644 index 0000000..a972cd3 --- /dev/null +++ b/src/fftw/ftwi_9.c @@ -0,0 +1,377 @@ +/* + * Copyright (c) 1997-1999, 2003 Massachusetts Institute of Technology + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/* This file was automatically generated --- DO NOT EDIT */ +/* Generated on Mon Mar 24 02:08:32 EST 2003 */ + +#include "fftw-int.h" +#include "fftw.h" + +/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddleinv 9 */ + +/* + * This function contains 96 FP additions, 72 FP multiplications, + * (or, 60 additions, 36 multiplications, 36 fused multiply/add), + * 34 stack variables, and 36 memory accesses + */ +static const fftw_real K642787609 = +FFTW_KONST(+0.642787609686539326322643409907263432907559884); +static const fftw_real K766044443 = +FFTW_KONST(+0.766044443118978035202392650555416673935832457); +static const fftw_real K939692620 = +FFTW_KONST(+0.939692620785908384054109277324731469936208134); +static const fftw_real K342020143 = +FFTW_KONST(+0.342020143325668733044099614682259580763083368); +static const fftw_real K984807753 = +FFTW_KONST(+0.984807753012208059366743024589523013670643252); +static const fftw_real K173648177 = +FFTW_KONST(+0.173648177666930348851716626769314796000375677); +static const fftw_real K500000000 = +FFTW_KONST(+0.500000000000000000000000000000000000000000000); +static const fftw_real K866025403 = +FFTW_KONST(+0.866025403784438646763723170752936183471402627); + +/* + * Generator Id's : + * $Id: ftwi_9.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: ftwi_9.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: ftwi_9.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + */ + +void fftwi_twiddle_9(fftw_complex *A, const fftw_complex *W, int iostride, + int m, int dist) +{ + int i; + fftw_complex *inout; + inout = A; + for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 8) { + fftw_real tmp1; + fftw_real tmp99; + fftw_real tmp64; + fftw_real tmp98; + fftw_real tmp105; + fftw_real tmp104; + fftw_real tmp12; + fftw_real tmp61; + fftw_real tmp47; + fftw_real tmp78; + fftw_real tmp89; + fftw_real tmp54; + fftw_real tmp75; + fftw_real tmp90; + fftw_real tmp30; + fftw_real tmp68; + fftw_real tmp86; + fftw_real tmp59; + fftw_real tmp71; + fftw_real tmp87; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp6; + fftw_real tmp63; + fftw_real tmp11; + fftw_real tmp62; + ASSERT_ALIGNED_DOUBLE; + tmp1 = c_re(inout[0]); + tmp99 = c_im(inout[0]); + { + fftw_real tmp3; + fftw_real tmp5; + fftw_real tmp2; + fftw_real tmp4; + ASSERT_ALIGNED_DOUBLE; + tmp3 = c_re(inout[3 * iostride]); + tmp5 = c_im(inout[3 * iostride]); + tmp2 = c_re(W[2]); + tmp4 = c_im(W[2]); + tmp6 = (tmp2 * tmp3) + (tmp4 * tmp5); + tmp63 = (tmp2 * tmp5) - (tmp4 * tmp3); + } + { + fftw_real tmp8; + fftw_real tmp10; + fftw_real tmp7; + fftw_real tmp9; + ASSERT_ALIGNED_DOUBLE; + tmp8 = c_re(inout[6 * iostride]); + tmp10 = c_im(inout[6 * iostride]); + tmp7 = c_re(W[5]); + tmp9 = c_im(W[5]); + tmp11 = (tmp7 * tmp8) + (tmp9 * tmp10); + tmp62 = (tmp7 * tmp10) - (tmp9 * tmp8); + } + tmp64 = K866025403 * (tmp62 - tmp63); + tmp98 = tmp63 + tmp62; + tmp105 = tmp99 - (K500000000 * tmp98); + tmp104 = K866025403 * (tmp6 - tmp11); + tmp12 = tmp6 + tmp11; + tmp61 = tmp1 - (K500000000 * tmp12); + } + { + fftw_real tmp35; + fftw_real tmp50; + fftw_real tmp40; + fftw_real tmp51; + fftw_real tmp45; + fftw_real tmp52; + fftw_real tmp46; + fftw_real tmp53; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp32; + fftw_real tmp34; + fftw_real tmp31; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp32 = c_re(inout[2 * iostride]); + tmp34 = c_im(inout[2 * iostride]); + tmp31 = c_re(W[1]); + tmp33 = c_im(W[1]); + tmp35 = (tmp31 * tmp32) + (tmp33 * tmp34); + tmp50 = (tmp31 * tmp34) - (tmp33 * tmp32); + } + { + fftw_real tmp37; + fftw_real tmp39; + fftw_real tmp36; + fftw_real tmp38; + ASSERT_ALIGNED_DOUBLE; + tmp37 = c_re(inout[5 * iostride]); + tmp39 = c_im(inout[5 * iostride]); + tmp36 = c_re(W[4]); + tmp38 = c_im(W[4]); + tmp40 = (tmp36 * tmp37) + (tmp38 * tmp39); + tmp51 = (tmp36 * tmp39) - (tmp38 * tmp37); + } + { + fftw_real tmp42; + fftw_real tmp44; + fftw_real tmp41; + fftw_real tmp43; + ASSERT_ALIGNED_DOUBLE; + tmp42 = c_re(inout[8 * iostride]); + tmp44 = c_im(inout[8 * iostride]); + tmp41 = c_re(W[7]); + tmp43 = c_im(W[7]); + tmp45 = (tmp41 * tmp42) + (tmp43 * tmp44); + tmp52 = (tmp41 * tmp44) - (tmp43 * tmp42); + } + tmp46 = tmp40 + tmp45; + tmp53 = tmp51 + tmp52; + { + fftw_real tmp76; + fftw_real tmp77; + fftw_real tmp73; + fftw_real tmp74; + ASSERT_ALIGNED_DOUBLE; + tmp47 = tmp35 + tmp46; + tmp76 = tmp35 - (K500000000 * tmp46); + tmp77 = K866025403 * (tmp52 - tmp51); + tmp78 = tmp76 - tmp77; + tmp89 = tmp76 + tmp77; + tmp54 = tmp50 + tmp53; + tmp73 = tmp50 - (K500000000 * tmp53); + tmp74 = K866025403 * (tmp40 - tmp45); + tmp75 = tmp73 - tmp74; + tmp90 = tmp74 + tmp73; + } + } + { + fftw_real tmp18; + fftw_real tmp55; + fftw_real tmp23; + fftw_real tmp56; + fftw_real tmp28; + fftw_real tmp57; + fftw_real tmp29; + fftw_real tmp58; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp15; + fftw_real tmp17; + fftw_real tmp14; + fftw_real tmp16; + ASSERT_ALIGNED_DOUBLE; + tmp15 = c_re(inout[iostride]); + tmp17 = c_im(inout[iostride]); + tmp14 = c_re(W[0]); + tmp16 = c_im(W[0]); + tmp18 = (tmp14 * tmp15) + (tmp16 * tmp17); + tmp55 = (tmp14 * tmp17) - (tmp16 * tmp15); + } + { + fftw_real tmp20; + fftw_real tmp22; + fftw_real tmp19; + fftw_real tmp21; + ASSERT_ALIGNED_DOUBLE; + tmp20 = c_re(inout[4 * iostride]); + tmp22 = c_im(inout[4 * iostride]); + tmp19 = c_re(W[3]); + tmp21 = c_im(W[3]); + tmp23 = (tmp19 * tmp20) + (tmp21 * tmp22); + tmp56 = (tmp19 * tmp22) - (tmp21 * tmp20); + } + { + fftw_real tmp25; + fftw_real tmp27; + fftw_real tmp24; + fftw_real tmp26; + ASSERT_ALIGNED_DOUBLE; + tmp25 = c_re(inout[7 * iostride]); + tmp27 = c_im(inout[7 * iostride]); + tmp24 = c_re(W[6]); + tmp26 = c_im(W[6]); + tmp28 = (tmp24 * tmp25) + (tmp26 * tmp27); + tmp57 = (tmp24 * tmp27) - (tmp26 * tmp25); + } + tmp29 = tmp23 + tmp28; + tmp58 = tmp56 + tmp57; + { + fftw_real tmp66; + fftw_real tmp67; + fftw_real tmp69; + fftw_real tmp70; + ASSERT_ALIGNED_DOUBLE; + tmp30 = tmp18 + tmp29; + tmp66 = tmp18 - (K500000000 * tmp29); + tmp67 = K866025403 * (tmp57 - tmp56); + tmp68 = tmp66 - tmp67; + tmp86 = tmp66 + tmp67; + tmp59 = tmp55 + tmp58; + tmp69 = tmp55 - (K500000000 * tmp58); + tmp70 = K866025403 * (tmp23 - tmp28); + tmp71 = tmp69 - tmp70; + tmp87 = tmp70 + tmp69; + } + } + { + fftw_real tmp60; + fftw_real tmp13; + fftw_real tmp48; + fftw_real tmp49; + ASSERT_ALIGNED_DOUBLE; + tmp60 = K866025403 * (tmp54 - tmp59); + tmp13 = tmp1 + tmp12; + tmp48 = tmp30 + tmp47; + tmp49 = tmp13 - (K500000000 * tmp48); + c_re(inout[0]) = tmp13 + tmp48; + c_re(inout[3 * iostride]) = tmp49 + tmp60; + c_re(inout[6 * iostride]) = tmp49 - tmp60; + } + { + fftw_real tmp101; + fftw_real tmp97; + fftw_real tmp100; + fftw_real tmp102; + ASSERT_ALIGNED_DOUBLE; + tmp101 = K866025403 * (tmp30 - tmp47); + tmp97 = tmp59 + tmp54; + tmp100 = tmp98 + tmp99; + tmp102 = tmp100 - (K500000000 * tmp97); + c_im(inout[0]) = tmp97 + tmp100; + c_im(inout[6 * iostride]) = tmp102 - tmp101; + c_im(inout[3 * iostride]) = tmp101 + tmp102; + } + { + fftw_real tmp65; + fftw_real tmp110; + fftw_real tmp80; + fftw_real tmp111; + fftw_real tmp84; + fftw_real tmp109; + fftw_real tmp81; + fftw_real tmp112; + ASSERT_ALIGNED_DOUBLE; + tmp65 = tmp61 - tmp64; + tmp110 = tmp105 - tmp104; + { + fftw_real tmp72; + fftw_real tmp79; + fftw_real tmp82; + fftw_real tmp83; + ASSERT_ALIGNED_DOUBLE; + tmp72 = (K173648177 * tmp68) - (K984807753 * tmp71); + tmp79 = (K342020143 * tmp75) + (K939692620 * tmp78); + tmp80 = tmp72 - tmp79; + tmp111 = K866025403 * (tmp72 + tmp79); + tmp82 = (K342020143 * tmp78) - (K939692620 * tmp75); + tmp83 = (K173648177 * tmp71) + (K984807753 * tmp68); + tmp84 = K866025403 * (tmp82 - tmp83); + tmp109 = tmp83 + tmp82; + } + c_re(inout[2 * iostride]) = tmp65 + tmp80; + tmp81 = tmp65 - (K500000000 * tmp80); + c_re(inout[8 * iostride]) = tmp81 - tmp84; + c_re(inout[5 * iostride]) = tmp81 + tmp84; + c_im(inout[2 * iostride]) = tmp109 + tmp110; + tmp112 = tmp110 - (K500000000 * tmp109); + c_im(inout[5 * iostride]) = tmp111 + tmp112; + c_im(inout[8 * iostride]) = tmp112 - tmp111; + } + { + fftw_real tmp85; + fftw_real tmp106; + fftw_real tmp92; + fftw_real tmp107; + fftw_real tmp96; + fftw_real tmp103; + fftw_real tmp93; + fftw_real tmp108; + ASSERT_ALIGNED_DOUBLE; + tmp85 = tmp61 + tmp64; + tmp106 = tmp104 + tmp105; + { + fftw_real tmp88; + fftw_real tmp91; + fftw_real tmp94; + fftw_real tmp95; + ASSERT_ALIGNED_DOUBLE; + tmp88 = (K766044443 * tmp86) - (K642787609 * tmp87); + tmp91 = (K173648177 * tmp89) - (K984807753 * tmp90); + tmp92 = tmp88 + tmp91; + tmp107 = K866025403 * (tmp88 - tmp91); + tmp94 = (K173648177 * tmp90) + (K984807753 * tmp89); + tmp95 = (K766044443 * tmp87) + (K642787609 * tmp86); + tmp96 = K866025403 * (tmp94 - tmp95); + tmp103 = tmp95 + tmp94; + } + c_re(inout[iostride]) = tmp85 + tmp92; + tmp93 = tmp85 - (K500000000 * tmp92); + c_re(inout[7 * iostride]) = tmp93 - tmp96; + c_re(inout[4 * iostride]) = tmp93 + tmp96; + c_im(inout[iostride]) = tmp103 + tmp106; + tmp108 = tmp106 - (K500000000 * tmp103); + c_im(inout[4 * iostride]) = tmp107 + tmp108; + c_im(inout[7 * iostride]) = tmp108 - tmp107; + } + } +} + +static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6, 7, 8 }; +fftw_codelet_desc fftwi_twiddle_9_desc = { + "fftwi_twiddle_9", + (void (*)()) fftwi_twiddle_9, + 9, + FFTW_BACKWARD, + FFTW_TWIDDLE, + 209, + 8, + twiddle_order, +}; |