/* * 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 20:43:56 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 13 */ /* * This function contains 76 FP additions, 34 FP multiplications, * (or, 57 additions, 15 multiplications, 19 fused multiply/add), * 34 stack variables, and 26 memory accesses */ static const fftw_real K083333333 = FFTW_KONST(+0.083333333333333333333333333333333333333333333); static const fftw_real K075902986 = FFTW_KONST(+0.075902986037193865983102897245103540356428373); static const fftw_real K251768516 = FFTW_KONST(+0.251768516431883313623436926934233488546674281); static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562); static const fftw_real K113854479 = FFTW_KONST(+0.113854479055790798974654345867655310534642560); static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267); static const fftw_real K387390585 = FFTW_KONST(+0.387390585467617292130675966426762851778775217); static const fftw_real K300462606 = FFTW_KONST(+0.300462606288665774426601772289207995520941381); static const fftw_real K258260390 = FFTW_KONST(+0.258260390311744861420450644284508567852516811); static const fftw_real K132983124 = FFTW_KONST(+0.132983124607418643793760531921092974399165133); static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636); static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175); static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041); static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424); static const fftw_real K174138601 = FFTW_KONST(+0.174138601152135905005660794929264742616964676); static const fftw_real K575140729 = FFTW_KONST(+0.575140729474003121368385547455453388461001608); static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); /* * 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_real2hc_13(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) { fftw_real tmp65; fftw_real tmp11; fftw_real tmp28; fftw_real tmp37; fftw_real tmp51; fftw_real tmp62; fftw_real tmp22; fftw_real tmp58; fftw_real tmp59; fftw_real tmp66; fftw_real tmp56; fftw_real tmp63; fftw_real tmp35; fftw_real tmp38; ASSERT_ALIGNED_DOUBLE; tmp65 = input[0]; { fftw_real tmp3; fftw_real tmp53; fftw_real tmp21; fftw_real tmp30; fftw_real tmp26; fftw_real tmp16; fftw_real tmp29; fftw_real tmp25; fftw_real tmp6; fftw_real tmp32; fftw_real tmp9; fftw_real tmp33; fftw_real tmp10; fftw_real tmp54; fftw_real tmp1; fftw_real tmp2; ASSERT_ALIGNED_DOUBLE; tmp1 = input[8 * istride]; tmp2 = input[5 * istride]; tmp3 = tmp1 - tmp2; tmp53 = tmp1 + tmp2; { fftw_real tmp17; fftw_real tmp18; fftw_real tmp19; fftw_real tmp20; ASSERT_ALIGNED_DOUBLE; tmp17 = input[12 * istride]; tmp18 = input[4 * istride]; tmp19 = input[10 * istride]; tmp20 = tmp18 + tmp19; tmp21 = tmp17 + tmp20; tmp30 = tmp17 - (K500000000 * tmp20); tmp26 = tmp18 - tmp19; } { fftw_real tmp12; fftw_real tmp13; fftw_real tmp14; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp12 = input[istride]; tmp13 = input[3 * istride]; tmp14 = input[9 * istride]; tmp15 = tmp13 + tmp14; tmp16 = tmp12 + tmp15; tmp29 = tmp12 - (K500000000 * tmp15); tmp25 = tmp13 - tmp14; } { fftw_real tmp4; fftw_real tmp5; fftw_real tmp7; fftw_real tmp8; ASSERT_ALIGNED_DOUBLE; tmp4 = input[6 * istride]; tmp5 = input[11 * istride]; tmp6 = tmp4 - tmp5; tmp32 = tmp4 + tmp5; tmp7 = input[2 * istride]; tmp8 = input[7 * istride]; tmp9 = tmp7 - tmp8; tmp33 = tmp7 + tmp8; } tmp10 = tmp6 + tmp9; tmp54 = tmp32 + tmp33; tmp11 = tmp3 - tmp10; { fftw_real tmp24; fftw_real tmp27; fftw_real tmp49; fftw_real tmp50; ASSERT_ALIGNED_DOUBLE; tmp24 = tmp3 + (K500000000 * tmp10); tmp27 = K866025403 * (tmp25 + tmp26); tmp28 = tmp24 - tmp27; tmp37 = tmp27 + tmp24; tmp49 = tmp9 - tmp6; tmp50 = tmp25 - tmp26; tmp51 = tmp49 - tmp50; tmp62 = tmp50 + tmp49; } tmp22 = tmp16 - tmp21; tmp58 = tmp16 + tmp21; tmp59 = tmp53 + tmp54; tmp66 = tmp58 + tmp59; { fftw_real tmp52; fftw_real tmp55; fftw_real tmp31; fftw_real tmp34; ASSERT_ALIGNED_DOUBLE; tmp52 = tmp29 + tmp30; tmp55 = tmp53 - (K500000000 * tmp54); tmp56 = tmp52 - tmp55; tmp63 = tmp52 + tmp55; tmp31 = tmp29 - tmp30; tmp34 = K866025403 * (tmp32 - tmp33); tmp35 = tmp31 + tmp34; tmp38 = tmp31 - tmp34; } } real_output[0] = tmp65 + tmp66; { fftw_real tmp23; fftw_real tmp45; fftw_real tmp40; fftw_real tmp48; fftw_real tmp44; fftw_real tmp46; fftw_real tmp41; fftw_real tmp47; ASSERT_ALIGNED_DOUBLE; tmp23 = (K575140729 * tmp11) - (K174138601 * tmp22); tmp45 = (K575140729 * tmp22) + (K174138601 * tmp11); { fftw_real tmp36; fftw_real tmp39; fftw_real tmp42; fftw_real tmp43; ASSERT_ALIGNED_DOUBLE; tmp36 = (K300238635 * tmp28) + (K011599105 * tmp35); tmp39 = (K256247671 * tmp37) + (K156891391 * tmp38); tmp40 = tmp36 - tmp39; tmp48 = K1_732050807 * (tmp39 + tmp36); tmp42 = (K300238635 * tmp35) - (K011599105 * tmp28); tmp43 = (K156891391 * tmp37) - (K256247671 * tmp38); tmp44 = K1_732050807 * (tmp42 - tmp43); tmp46 = tmp43 + tmp42; } imag_output[imag_ostride] = tmp23 + (K2_000000000 * tmp40); tmp41 = tmp23 - tmp40; imag_output[3 * imag_ostride] = tmp41 - tmp44; imag_output[4 * imag_ostride] = -(tmp41 + tmp44); imag_output[5 * imag_ostride] = -(tmp45 + (K2_000000000 * tmp46)); tmp47 = tmp46 - tmp45; imag_output[2 * imag_ostride] = tmp47 - tmp48; imag_output[6 * imag_ostride] = tmp48 + tmp47; } { fftw_real tmp61; fftw_real tmp70; fftw_real tmp74; fftw_real tmp76; fftw_real tmp68; fftw_real tmp69; fftw_real tmp57; fftw_real tmp60; fftw_real tmp71; fftw_real tmp75; ASSERT_ALIGNED_DOUBLE; tmp57 = (K132983124 * tmp51) + (K258260390 * tmp56); tmp60 = K300462606 * (tmp58 - tmp59); tmp61 = (K2_000000000 * tmp57) + tmp60; tmp70 = tmp60 - tmp57; { fftw_real tmp72; fftw_real tmp73; fftw_real tmp64; fftw_real tmp67; ASSERT_ALIGNED_DOUBLE; tmp72 = (K387390585 * tmp51) - (K265966249 * tmp56); tmp73 = (K113854479 * tmp62) - (K503537032 * tmp63); tmp74 = tmp72 + tmp73; tmp76 = tmp73 - tmp72; tmp64 = (K251768516 * tmp62) + (K075902986 * tmp63); tmp67 = tmp65 - (K083333333 * tmp66); tmp68 = (K2_000000000 * tmp64) + tmp67; tmp69 = tmp67 - tmp64; } real_output[real_ostride] = tmp61 + tmp68; real_output[5 * real_ostride] = tmp68 - tmp61; tmp71 = tmp69 - tmp70; real_output[2 * real_ostride] = tmp71 - tmp74; real_output[6 * real_ostride] = tmp74 + tmp71; tmp75 = tmp70 + tmp69; real_output[3 * real_ostride] = tmp75 - tmp76; real_output[4 * real_ostride] = tmp76 + tmp75; } } fftw_codelet_desc fftw_real2hc_13_desc = { "fftw_real2hc_13", (void (*)()) fftw_real2hc_13, 13, FFTW_FORWARD, FFTW_REAL2HC, 288, 0, (const int *) 0, };