ref: 7592cc985f084dbfab7f941100d1f09b33a43e22
dir: /libfaad/fftw/fn_9.c/
/* * 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 20:43:47 EST 1999 */ #include <fftw-int.h> #include <fftw.h> /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 9 */ /* * This function contains 80 FP additions, 40 FP multiplications, * (or, 60 additions, 20 multiplications, 20 fused multiply/add), * 30 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 K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); /* * Generator Id's : * $Id: fn_9.c,v 1.1 2002/04/07 21:26:04 menno Exp $ * $Id: fn_9.c,v 1.1 2002/04/07 21:26:04 menno Exp $ * $Id: fn_9.c,v 1.1 2002/04/07 21:26:04 menno Exp $ */ void fftw_no_twiddle_9(const fftw_complex *input, fftw_complex *output, int istride, int ostride) { fftw_real tmp5; fftw_real tmp17; fftw_real tmp50; fftw_real tmp20; fftw_real tmp78; fftw_real tmp53; fftw_real tmp10; fftw_real tmp26; fftw_real tmp58; fftw_real tmp74; fftw_real tmp31; fftw_real tmp59; fftw_real tmp15; fftw_real tmp37; fftw_real tmp62; fftw_real tmp75; fftw_real tmp42; fftw_real tmp61; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp1; fftw_real tmp2; fftw_real tmp3; fftw_real tmp4; ASSERT_ALIGNED_DOUBLE; tmp1 = c_re(input[0]); tmp2 = c_re(input[3 * istride]); tmp3 = c_re(input[6 * istride]); tmp4 = tmp2 + tmp3; tmp5 = tmp1 + tmp4; tmp17 = tmp1 - (K500000000 * tmp4); tmp50 = K866025403 * (tmp3 - tmp2); } { fftw_real tmp51; fftw_real tmp18; fftw_real tmp19; fftw_real tmp52; ASSERT_ALIGNED_DOUBLE; tmp51 = c_im(input[0]); tmp18 = c_im(input[3 * istride]); tmp19 = c_im(input[6 * istride]); tmp52 = tmp18 + tmp19; tmp20 = K866025403 * (tmp18 - tmp19); tmp78 = tmp51 + tmp52; tmp53 = tmp51 - (K500000000 * tmp52); } { fftw_real tmp6; fftw_real tmp28; fftw_real tmp9; fftw_real tmp27; fftw_real tmp25; fftw_real tmp29; fftw_real tmp22; fftw_real tmp30; ASSERT_ALIGNED_DOUBLE; tmp6 = c_re(input[istride]); tmp28 = c_im(input[istride]); { fftw_real tmp7; fftw_real tmp8; fftw_real tmp23; fftw_real tmp24; ASSERT_ALIGNED_DOUBLE; tmp7 = c_re(input[4 * istride]); tmp8 = c_re(input[7 * istride]); tmp9 = tmp7 + tmp8; tmp27 = K866025403 * (tmp8 - tmp7); tmp23 = c_im(input[4 * istride]); tmp24 = c_im(input[7 * istride]); tmp25 = K866025403 * (tmp23 - tmp24); tmp29 = tmp23 + tmp24; } tmp10 = tmp6 + tmp9; tmp22 = tmp6 - (K500000000 * tmp9); tmp26 = tmp22 + tmp25; tmp58 = tmp22 - tmp25; tmp74 = tmp28 + tmp29; tmp30 = tmp28 - (K500000000 * tmp29); tmp31 = tmp27 + tmp30; tmp59 = tmp30 - tmp27; } { fftw_real tmp11; fftw_real tmp39; fftw_real tmp14; fftw_real tmp38; fftw_real tmp36; fftw_real tmp40; fftw_real tmp33; fftw_real tmp41; ASSERT_ALIGNED_DOUBLE; tmp11 = c_re(input[2 * istride]); tmp39 = c_im(input[2 * istride]); { fftw_real tmp12; fftw_real tmp13; fftw_real tmp34; fftw_real tmp35; ASSERT_ALIGNED_DOUBLE; tmp12 = c_re(input[5 * istride]); tmp13 = c_re(input[8 * istride]); tmp14 = tmp12 + tmp13; tmp38 = K866025403 * (tmp13 - tmp12); tmp34 = c_im(input[5 * istride]); tmp35 = c_im(input[8 * istride]); tmp36 = K866025403 * (tmp34 - tmp35); tmp40 = tmp34 + tmp35; } tmp15 = tmp11 + tmp14; tmp33 = tmp11 - (K500000000 * tmp14); tmp37 = tmp33 + tmp36; tmp62 = tmp33 - tmp36; tmp75 = tmp39 + tmp40; tmp41 = tmp39 - (K500000000 * tmp40); tmp42 = tmp38 + tmp41; tmp61 = tmp41 - tmp38; } { fftw_real tmp76; fftw_real tmp16; fftw_real tmp73; fftw_real tmp77; fftw_real tmp79; fftw_real tmp80; ASSERT_ALIGNED_DOUBLE; tmp76 = K866025403 * (tmp74 - tmp75); tmp16 = tmp10 + tmp15; tmp73 = tmp5 - (K500000000 * tmp16); c_re(output[0]) = tmp5 + tmp16; c_re(output[3 * ostride]) = tmp73 + tmp76; c_re(output[6 * ostride]) = tmp73 - tmp76; tmp77 = K866025403 * (tmp15 - tmp10); tmp79 = tmp74 + tmp75; tmp80 = tmp78 - (K500000000 * tmp79); c_im(output[3 * ostride]) = tmp77 + tmp80; c_im(output[6 * ostride]) = tmp80 - tmp77; c_im(output[0]) = tmp78 + tmp79; } { fftw_real tmp21; fftw_real tmp54; fftw_real tmp44; fftw_real tmp49; fftw_real tmp48; fftw_real tmp55; fftw_real tmp45; fftw_real tmp56; ASSERT_ALIGNED_DOUBLE; tmp21 = tmp17 + tmp20; tmp54 = tmp50 + tmp53; { fftw_real tmp32; fftw_real tmp43; fftw_real tmp46; fftw_real tmp47; ASSERT_ALIGNED_DOUBLE; tmp32 = (K766044443 * tmp26) + (K642787609 * tmp31); tmp43 = (K173648177 * tmp37) + (K984807753 * tmp42); tmp44 = tmp32 + tmp43; tmp49 = K866025403 * (tmp43 - tmp32); tmp46 = (K766044443 * tmp31) - (K642787609 * tmp26); tmp47 = (K173648177 * tmp42) - (K984807753 * tmp37); tmp48 = K866025403 * (tmp46 - tmp47); tmp55 = tmp46 + tmp47; } c_re(output[ostride]) = tmp21 + tmp44; tmp45 = tmp21 - (K500000000 * tmp44); c_re(output[7 * ostride]) = tmp45 - tmp48; c_re(output[4 * ostride]) = tmp45 + tmp48; c_im(output[ostride]) = tmp54 + tmp55; tmp56 = tmp54 - (K500000000 * tmp55); c_im(output[4 * ostride]) = tmp49 + tmp56; c_im(output[7 * ostride]) = tmp56 - tmp49; } { fftw_real tmp57; fftw_real tmp69; fftw_real tmp72; fftw_real tmp66; fftw_real tmp64; fftw_real tmp65; fftw_real tmp71; fftw_real tmp70; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp67; fftw_real tmp68; fftw_real tmp60; fftw_real tmp63; ASSERT_ALIGNED_DOUBLE; tmp57 = tmp17 - tmp20; tmp67 = (K173648177 * tmp59) - (K984807753 * tmp58); tmp68 = (K342020143 * tmp62) + (K939692620 * tmp61); tmp69 = tmp67 - tmp68; tmp72 = K866025403 * (tmp67 + tmp68); tmp66 = tmp53 - tmp50; tmp60 = (K173648177 * tmp58) + (K984807753 * tmp59); tmp63 = (K342020143 * tmp61) - (K939692620 * tmp62); tmp64 = tmp60 + tmp63; tmp65 = K866025403 * (tmp63 - tmp60); } c_re(output[2 * ostride]) = tmp57 + tmp64; tmp71 = tmp57 - (K500000000 * tmp64); c_re(output[8 * ostride]) = tmp71 - tmp72; c_re(output[5 * ostride]) = tmp71 + tmp72; c_im(output[2 * ostride]) = tmp66 + tmp69; tmp70 = tmp66 - (K500000000 * tmp69); c_im(output[5 * ostride]) = tmp65 + tmp70; c_im(output[8 * ostride]) = tmp70 - tmp65; } } fftw_codelet_desc fftw_no_twiddle_9_desc = { "fftw_no_twiddle_9", (void (*)()) fftw_no_twiddle_9, 9, FFTW_FORWARD, FFTW_NOTW, 199, 0, (const int *) 0, };