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Diffstat (limited to 'src/fftw/fn_9.c')
| -rw-r--r-- | src/fftw/fn_9.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/fftw/fn_9.c b/src/fftw/fn_9.c new file mode 100644 index 0000000..837ece7 --- /dev/null +++ b/src/fftw/fn_9.c @@ -0,0 +1,283 @@ +/* + * 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 02:05:38 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 -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 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_9.c,v 1.1 2008/10/17 06:13:18 scuri Exp $ + * $Id: fn_9.c,v 1.1 2008/10/17 06:13:18 scuri 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, +}; |