/* * 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 20:44:23 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 13 */ /* * This function contains 76 FP additions, 35 FP multiplications, * (or, 56 additions, 15 multiplications, 20 fused multiply/add), * 36 stack variables, and 26 memory accesses */ static const fftw_real K531932498 = FFTW_KONST(+0.531932498429674575175042127684371897596660533); static const fftw_real K774781170 = FFTW_KONST(+0.774781170935234584261351932853525703557550433); static const fftw_real K1_007074065 = FFTW_KONST(+1.007074065727533254493747707736933954186697125); static const fftw_real K227708958 = FFTW_KONST(+0.227708958111581597949308691735310621069285120); static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267); static const fftw_real K516520780 = FFTW_KONST(+0.516520780623489722840901288569017135705033622); static const fftw_real K151805972 = FFTW_KONST(+0.151805972074387731966205794490207080712856746); static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562); static const fftw_real K166666666 = FFTW_KONST(+0.166666666666666666666666666666666666666666667); static const fftw_real K600925212 = FFTW_KONST(+0.600925212577331548853203544578415991041882762); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); static const fftw_real K348277202 = FFTW_KONST(+0.348277202304271810011321589858529485233929352); static const fftw_real K1_150281458 = FFTW_KONST(+1.150281458948006242736771094910906776922003215); static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175); static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636); static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424); static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041); static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); /* * 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_hc2real_13(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) { fftw_real tmp42; fftw_real tmp52; fftw_real tmp45; fftw_real tmp51; fftw_real tmp56; fftw_real tmp67; fftw_real tmp1; fftw_real tmp22; fftw_real tmp12; fftw_real tmp13; fftw_real tmp16; fftw_real tmp19; fftw_real tmp20; fftw_real tmp23; fftw_real tmp24; fftw_real tmp25; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp28; fftw_real tmp31; fftw_real tmp32; fftw_real tmp37; fftw_real tmp39; fftw_real tmp38; fftw_real tmp35; fftw_real tmp40; fftw_real tmp36; fftw_real tmp41; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp29; fftw_real tmp30; fftw_real tmp33; fftw_real tmp34; ASSERT_ALIGNED_DOUBLE; tmp28 = imag_input[imag_istride]; tmp29 = imag_input[3 * imag_istride]; tmp30 = imag_input[4 * imag_istride]; tmp31 = tmp29 - tmp30; tmp32 = (K2_000000000 * tmp28) - tmp31; tmp37 = K1_732050807 * (tmp29 + tmp30); tmp39 = imag_input[5 * imag_istride]; tmp33 = imag_input[6 * imag_istride]; tmp34 = imag_input[2 * imag_istride]; tmp38 = tmp33 + tmp34; tmp35 = K1_732050807 * (tmp33 - tmp34); tmp40 = tmp38 - (K2_000000000 * tmp39); } tmp36 = tmp32 + tmp35; tmp41 = tmp37 - tmp40; tmp42 = (K011599105 * tmp36) - (K300238635 * tmp41); tmp52 = (K300238635 * tmp36) + (K011599105 * tmp41); { fftw_real tmp43; fftw_real tmp44; fftw_real tmp54; fftw_real tmp55; ASSERT_ALIGNED_DOUBLE; tmp43 = tmp32 - tmp35; tmp44 = tmp37 + tmp40; tmp45 = (K156891391 * tmp43) + (K256247671 * tmp44); tmp51 = (K256247671 * tmp43) - (K156891391 * tmp44); tmp54 = tmp28 + tmp31; tmp55 = tmp38 + tmp39; tmp56 = (K1_150281458 * tmp54) - (K348277202 * tmp55); tmp67 = (K348277202 * tmp54) + (K1_150281458 * tmp55); } } { fftw_real tmp11; fftw_real tmp18; fftw_real tmp15; fftw_real tmp6; fftw_real tmp17; fftw_real tmp14; ASSERT_ALIGNED_DOUBLE; tmp1 = real_input[0]; { fftw_real tmp7; fftw_real tmp8; fftw_real tmp9; fftw_real tmp10; ASSERT_ALIGNED_DOUBLE; tmp7 = real_input[5 * real_istride]; tmp8 = real_input[6 * real_istride]; tmp9 = real_input[2 * real_istride]; tmp10 = tmp8 + tmp9; tmp11 = tmp7 + tmp10; tmp18 = tmp7 - (K500000000 * tmp10); tmp15 = tmp8 - tmp9; } { fftw_real tmp2; fftw_real tmp3; fftw_real tmp4; fftw_real tmp5; ASSERT_ALIGNED_DOUBLE; tmp2 = real_input[real_istride]; tmp3 = real_input[3 * real_istride]; tmp4 = real_input[4 * real_istride]; tmp5 = tmp3 + tmp4; tmp6 = tmp2 + tmp5; tmp17 = tmp2 - (K500000000 * tmp5); tmp14 = tmp3 - tmp4; } tmp22 = K600925212 * (tmp6 - tmp11); tmp12 = tmp6 + tmp11; tmp13 = tmp1 - (K166666666 * tmp12); tmp16 = tmp14 - tmp15; tmp19 = tmp17 + tmp18; tmp20 = (K503537032 * tmp16) + (K151805972 * tmp19); tmp23 = tmp17 - tmp18; tmp24 = tmp14 + tmp15; tmp25 = (K516520780 * tmp23) - (K265966249 * tmp24); } output[0] = tmp1 + (K2_000000000 * tmp12); { fftw_real tmp46; fftw_real tmp68; fftw_real tmp70; fftw_real tmp27; fftw_real tmp69; fftw_real tmp73; fftw_real tmp57; fftw_real tmp64; fftw_real tmp63; fftw_real tmp65; fftw_real tmp50; fftw_real tmp72; ASSERT_ALIGNED_DOUBLE; { fftw_real tmp66; fftw_real tmp21; fftw_real tmp26; fftw_real tmp53; ASSERT_ALIGNED_DOUBLE; tmp46 = K1_732050807 * (tmp42 + tmp45); tmp66 = tmp42 - tmp45; tmp68 = (K2_000000000 * tmp66) - tmp67; tmp70 = tmp66 + tmp67; tmp21 = tmp13 - tmp20; tmp26 = tmp22 - tmp25; tmp27 = tmp21 - tmp26; tmp69 = tmp26 + tmp21; tmp73 = K1_732050807 * (tmp52 + tmp51); tmp53 = tmp51 - tmp52; tmp57 = tmp53 + tmp56; tmp64 = tmp56 - (K2_000000000 * tmp53); { fftw_real tmp61; fftw_real tmp62; fftw_real tmp48; fftw_real tmp49; ASSERT_ALIGNED_DOUBLE; tmp61 = (K2_000000000 * tmp20) + tmp13; tmp62 = (K2_000000000 * tmp25) + tmp22; tmp63 = tmp61 - tmp62; tmp65 = tmp62 + tmp61; tmp48 = (K227708958 * tmp16) - (K1_007074065 * tmp19); tmp49 = (K774781170 * tmp24) + (K531932498 * tmp23); tmp50 = tmp48 - tmp49; tmp72 = tmp49 + tmp48; } } output[5 * ostride] = tmp63 - tmp64; output[8 * ostride] = tmp63 + tmp64; { fftw_real tmp47; fftw_real tmp58; fftw_real tmp59; fftw_real tmp60; ASSERT_ALIGNED_DOUBLE; tmp47 = tmp27 - tmp46; tmp58 = tmp50 + tmp57; output[2 * ostride] = tmp47 - tmp58; output[7 * ostride] = tmp47 + tmp58; tmp59 = tmp27 + tmp46; tmp60 = tmp57 - tmp50; output[6 * ostride] = tmp59 - tmp60; output[11 * ostride] = tmp59 + tmp60; } output[12 * ostride] = tmp65 - tmp68; output[ostride] = tmp65 + tmp68; { fftw_real tmp71; fftw_real tmp74; fftw_real tmp75; fftw_real tmp76; ASSERT_ALIGNED_DOUBLE; tmp71 = tmp69 - tmp70; tmp74 = tmp72 + tmp73; output[3 * ostride] = tmp71 - tmp74; output[9 * ostride] = tmp74 + tmp71; tmp75 = tmp69 + tmp70; tmp76 = tmp73 - tmp72; output[4 * ostride] = tmp75 - tmp76; output[10 * ostride] = tmp76 + tmp75; } } } fftw_codelet_desc fftw_hc2real_13_desc = { "fftw_hc2real_13", (void (*)()) fftw_hc2real_13, 13, FFTW_BACKWARD, FFTW_HC2REAL, 301, 0, (const int *) 0, };