/* * Copyright (c) 1997-1999 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 Sun Nov 7 20:44:35 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddle 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 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 K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884); static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); /* * Generator Id's : * $Id: exprdag.ml,v 1.41 1999/05/26 15:44:14 fftw Exp $ * $Id: fft.ml,v 1.43 1999/05/17 19:44:18 fftw Exp $ * $Id: to_c.ml,v 1.25 1999/10/26 21:41:32 stevenj Exp $ */ void fftw_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 tmp52; fftw_real tmp98; fftw_real tmp105; fftw_real tmp104; fftw_real tmp12; fftw_real tmp49; fftw_real tmp47; fftw_real tmp69; fftw_real tmp86; fftw_real tmp95; fftw_real tmp74; fftw_real tmp85; fftw_real tmp30; fftw_real tmp58; fftw_real tmp82; fftw_real tmp94; fftw_real tmp63; fftw_real tmp83; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp6; fftw_real tmp50; fftw_real tmp11; fftw_real tmp51; 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); tmp50 = (tmp4 * tmp3) + (tmp2 * tmp5); } { 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); tmp51 = (tmp9 * tmp8) + (tmp7 * tmp10); } tmp52 = K866025403 * (tmp50 - tmp51); tmp98 = tmp50 + tmp51; tmp105 = tmp99 - (K500000000 * tmp98); tmp104 = K866025403 * (tmp11 - tmp6); tmp12 = tmp6 + tmp11; tmp49 = tmp1 - (K500000000 * tmp12); } { fftw_real tmp35; fftw_real tmp71; fftw_real tmp40; fftw_real tmp66; fftw_real tmp45; fftw_real tmp67; fftw_real tmp46; fftw_real tmp72; 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); tmp71 = (tmp33 * tmp32) + (tmp31 * tmp34); } { 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); tmp66 = (tmp38 * tmp37) + (tmp36 * tmp39); } { 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); tmp67 = (tmp43 * tmp42) + (tmp41 * tmp44); } tmp46 = tmp40 + tmp45; tmp72 = tmp66 + tmp67; { fftw_real tmp65; fftw_real tmp68; fftw_real tmp70; fftw_real tmp73; ASSERT_ALIGNED_DOUBLE; tmp47 = tmp35 + tmp46; tmp65 = tmp35 - (K500000000 * tmp46); tmp68 = K866025403 * (tmp66 - tmp67); tmp69 = tmp65 + tmp68; tmp86 = tmp65 - tmp68; tmp95 = tmp71 + tmp72; tmp70 = K866025403 * (tmp45 - tmp40); tmp73 = tmp71 - (K500000000 * tmp72); tmp74 = tmp70 + tmp73; tmp85 = tmp73 - tmp70; } } { fftw_real tmp18; fftw_real tmp60; fftw_real tmp23; fftw_real tmp55; fftw_real tmp28; fftw_real tmp56; fftw_real tmp29; fftw_real tmp61; 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); tmp60 = (tmp16 * tmp15) + (tmp14 * tmp17); } { 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); tmp55 = (tmp21 * tmp20) + (tmp19 * tmp22); } { 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); tmp56 = (tmp26 * tmp25) + (tmp24 * tmp27); } tmp29 = tmp23 + tmp28; tmp61 = tmp55 + tmp56; { fftw_real tmp54; fftw_real tmp57; fftw_real tmp59; fftw_real tmp62; ASSERT_ALIGNED_DOUBLE; tmp30 = tmp18 + tmp29; tmp54 = tmp18 - (K500000000 * tmp29); tmp57 = K866025403 * (tmp55 - tmp56); tmp58 = tmp54 + tmp57; tmp82 = tmp54 - tmp57; tmp94 = tmp60 + tmp61; tmp59 = K866025403 * (tmp28 - tmp23); tmp62 = tmp60 - (K500000000 * tmp61); tmp63 = tmp59 + tmp62; tmp83 = tmp62 - tmp59; } } { fftw_real tmp96; fftw_real tmp13; fftw_real tmp48; fftw_real tmp93; ASSERT_ALIGNED_DOUBLE; tmp96 = K866025403 * (tmp94 - tmp95); tmp13 = tmp1 + tmp12; tmp48 = tmp30 + tmp47; tmp93 = tmp13 - (K500000000 * tmp48); c_re(inout[0]) = tmp13 + tmp48; c_re(inout[3 * iostride]) = tmp93 + tmp96; c_re(inout[6 * iostride]) = tmp93 - tmp96; } { fftw_real tmp101; fftw_real tmp97; fftw_real tmp100; fftw_real tmp102; ASSERT_ALIGNED_DOUBLE; tmp101 = K866025403 * (tmp47 - tmp30); tmp97 = tmp94 + tmp95; 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 tmp53; fftw_real tmp106; fftw_real tmp76; fftw_real tmp107; fftw_real tmp80; fftw_real tmp103; fftw_real tmp77; fftw_real tmp108; ASSERT_ALIGNED_DOUBLE; tmp53 = tmp49 + tmp52; tmp106 = tmp104 + tmp105; { fftw_real tmp64; fftw_real tmp75; fftw_real tmp78; fftw_real tmp79; ASSERT_ALIGNED_DOUBLE; tmp64 = (K766044443 * tmp58) + (K642787609 * tmp63); tmp75 = (K173648177 * tmp69) + (K984807753 * tmp74); tmp76 = tmp64 + tmp75; tmp107 = K866025403 * (tmp75 - tmp64); tmp78 = (K766044443 * tmp63) - (K642787609 * tmp58); tmp79 = (K173648177 * tmp74) - (K984807753 * tmp69); tmp80 = K866025403 * (tmp78 - tmp79); tmp103 = tmp78 + tmp79; } c_re(inout[iostride]) = tmp53 + tmp76; tmp77 = tmp53 - (K500000000 * tmp76); c_re(inout[7 * iostride]) = tmp77 - tmp80; c_re(inout[4 * iostride]) = tmp77 + tmp80; c_im(inout[iostride]) = tmp103 + tmp106; tmp108 = tmp106 - (K500000000 * tmp103); c_im(inout[4 * iostride]) = tmp107 + tmp108; c_im(inout[7 * iostride]) = tmp108 - tmp107; } { fftw_real tmp81; fftw_real tmp110; fftw_real tmp88; fftw_real tmp111; fftw_real tmp92; fftw_real tmp109; fftw_real tmp89; fftw_real tmp112; ASSERT_ALIGNED_DOUBLE; tmp81 = tmp49 - tmp52; tmp110 = tmp105 - tmp104; { fftw_real tmp84; fftw_real tmp87; fftw_real tmp90; fftw_real tmp91; ASSERT_ALIGNED_DOUBLE; tmp84 = (K173648177 * tmp82) + (K984807753 * tmp83); tmp87 = (K342020143 * tmp85) - (K939692620 * tmp86); tmp88 = tmp84 + tmp87; tmp111 = K866025403 * (tmp87 - tmp84); tmp90 = (K173648177 * tmp83) - (K984807753 * tmp82); tmp91 = (K342020143 * tmp86) + (K939692620 * tmp85); tmp92 = K866025403 * (tmp90 + tmp91); tmp109 = tmp90 - tmp91; } c_re(inout[2 * iostride]) = tmp81 + tmp88; tmp89 = tmp81 - (K500000000 * tmp88); c_re(inout[8 * iostride]) = tmp89 - tmp92; c_re(inout[5 * iostride]) = tmp89 + tmp92; 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; } } } static const int twiddle_order[] = {1, 2, 3, 4, 5, 6, 7, 8}; fftw_codelet_desc fftw_twiddle_9_desc = { "fftw_twiddle_9", (void (*)()) fftw_twiddle_9, 9, FFTW_FORWARD, FFTW_TWIDDLE, 198, 8, twiddle_order, };