From 30755b92afeae5a5a32860b4f4297180f6d3398d Mon Sep 17 00:00:00 2001 From: John Glover Date: Mon, 18 Oct 2010 17:32:05 +0100 Subject: Moved project over to Git --- sndobj/rfftw/fcr_15.c | 226 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 226 insertions(+) create mode 100644 sndobj/rfftw/fcr_15.c (limited to 'sndobj/rfftw/fcr_15.c') diff --git a/sndobj/rfftw/fcr_15.c b/sndobj/rfftw/fcr_15.c new file mode 100644 index 0000000..4c6c504 --- /dev/null +++ b/sndobj/rfftw/fcr_15.c @@ -0,0 +1,226 @@ +/* + * 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 20:44:26 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 15 */ + +/* + * This function contains 64 FP additions, 31 FP multiplications, + * (or, 47 additions, 14 multiplications, 17 fused multiply/add), + * 36 stack variables, and 30 memory accesses + */ +static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180); +static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268); +static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875); +static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); +static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); +static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); +static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); + +/* + * Generator Id's : + * $Id: fcr_15.c,v 1.1.1.1 2006/05/12 15:14:55 veplaini Exp $ + * $Id: fcr_15.c,v 1.1.1.1 2006/05/12 15:14:55 veplaini Exp $ + * $Id: fcr_15.c,v 1.1.1.1 2006/05/12 15:14:55 veplaini Exp $ + */ + +void fftw_hc2real_15(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) +{ + fftw_real tmp3; + fftw_real tmp30; + fftw_real tmp18; + fftw_real tmp37; + fftw_real tmp61; + fftw_real tmp62; + fftw_real tmp45; + fftw_real tmp40; + fftw_real tmp23; + fftw_real tmp31; + fftw_real tmp42; + fftw_real tmp28; + fftw_real tmp32; + fftw_real tmp8; + fftw_real tmp13; + fftw_real tmp14; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp17; + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp15; + fftw_real tmp16; + ASSERT_ALIGNED_DOUBLE; + tmp16 = imag_input[5 * imag_istride]; + tmp17 = K1_732050807 * tmp16; + tmp1 = real_input[0]; + tmp2 = real_input[5 * real_istride]; + tmp15 = tmp1 - tmp2; + tmp3 = tmp1 + (K2_000000000 * tmp2); + tmp30 = tmp15 - tmp17; + tmp18 = tmp15 + tmp17; + } + { + fftw_real tmp4; + fftw_real tmp39; + fftw_real tmp5; + fftw_real tmp6; + fftw_real tmp7; + fftw_real tmp22; + fftw_real tmp38; + fftw_real tmp9; + fftw_real tmp44; + fftw_real tmp10; + fftw_real tmp11; + fftw_real tmp12; + fftw_real tmp27; + fftw_real tmp43; + fftw_real tmp19; + fftw_real tmp24; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp20; + fftw_real tmp21; + fftw_real tmp25; + fftw_real tmp26; + ASSERT_ALIGNED_DOUBLE; + tmp4 = real_input[3 * real_istride]; + tmp39 = imag_input[3 * imag_istride]; + tmp5 = real_input[7 * real_istride]; + tmp6 = real_input[2 * real_istride]; + tmp7 = tmp5 + tmp6; + tmp20 = imag_input[7 * imag_istride]; + tmp21 = imag_input[2 * imag_istride]; + tmp22 = K866025403 * (tmp20 - tmp21); + tmp38 = tmp20 + tmp21; + tmp9 = real_input[6 * real_istride]; + tmp44 = imag_input[6 * imag_istride]; + tmp10 = real_input[4 * real_istride]; + tmp11 = real_input[real_istride]; + tmp12 = tmp10 + tmp11; + tmp25 = imag_input[4 * imag_istride]; + tmp26 = imag_input[imag_istride]; + tmp27 = K866025403 * (tmp25 + tmp26); + tmp43 = tmp25 - tmp26; + } + tmp37 = K866025403 * (tmp5 - tmp6); + tmp61 = tmp39 - tmp38; + tmp62 = tmp44 - tmp43; + tmp45 = (K500000000 * tmp43) + tmp44; + tmp40 = (K500000000 * tmp38) + tmp39; + tmp19 = tmp4 - (K500000000 * tmp7); + tmp23 = tmp19 - tmp22; + tmp31 = tmp19 + tmp22; + tmp42 = K866025403 * (tmp10 - tmp11); + tmp24 = tmp9 - (K500000000 * tmp12); + tmp28 = tmp24 - tmp27; + tmp32 = tmp24 + tmp27; + tmp8 = tmp4 + tmp7; + tmp13 = tmp9 + tmp12; + tmp14 = tmp8 + tmp13; + } + output[0] = tmp3 + (K2_000000000 * tmp14); + { + fftw_real tmp63; + fftw_real tmp65; + fftw_real tmp60; + fftw_real tmp64; + fftw_real tmp58; + fftw_real tmp59; + ASSERT_ALIGNED_DOUBLE; + tmp63 = (K1_175570504 * tmp61) - (K1_902113032 * tmp62); + tmp65 = (K1_902113032 * tmp61) + (K1_175570504 * tmp62); + tmp58 = tmp3 - (K500000000 * tmp14); + tmp59 = K1_118033988 * (tmp8 - tmp13); + tmp60 = tmp58 - tmp59; + tmp64 = tmp59 + tmp58; + output[12 * ostride] = tmp60 - tmp63; + output[3 * ostride] = tmp60 + tmp63; + output[6 * ostride] = tmp64 - tmp65; + output[9 * ostride] = tmp64 + tmp65; + } + { + fftw_real tmp51; + fftw_real tmp29; + fftw_real tmp50; + fftw_real tmp55; + fftw_real tmp57; + fftw_real tmp53; + fftw_real tmp54; + fftw_real tmp56; + fftw_real tmp52; + ASSERT_ALIGNED_DOUBLE; + tmp51 = K1_118033988 * (tmp23 - tmp28); + tmp29 = tmp23 + tmp28; + tmp50 = tmp18 - (K500000000 * tmp29); + tmp53 = tmp40 - tmp37; + tmp54 = tmp45 - tmp42; + tmp55 = (K1_175570504 * tmp53) - (K1_902113032 * tmp54); + tmp57 = (K1_902113032 * tmp53) + (K1_175570504 * tmp54); + output[5 * ostride] = tmp18 + (K2_000000000 * tmp29); + tmp56 = tmp51 + tmp50; + output[11 * ostride] = tmp56 - tmp57; + output[14 * ostride] = tmp56 + tmp57; + tmp52 = tmp50 - tmp51; + output[2 * ostride] = tmp52 - tmp55; + output[8 * ostride] = tmp52 + tmp55; + } + { + fftw_real tmp35; + fftw_real tmp33; + fftw_real tmp34; + fftw_real tmp47; + fftw_real tmp49; + fftw_real tmp41; + fftw_real tmp46; + fftw_real tmp48; + fftw_real tmp36; + ASSERT_ALIGNED_DOUBLE; + tmp35 = K1_118033988 * (tmp31 - tmp32); + tmp33 = tmp31 + tmp32; + tmp34 = tmp30 - (K500000000 * tmp33); + tmp41 = tmp37 + tmp40; + tmp46 = tmp42 + tmp45; + tmp47 = (K1_175570504 * tmp41) - (K1_902113032 * tmp46); + tmp49 = (K1_902113032 * tmp41) + (K1_175570504 * tmp46); + output[10 * ostride] = tmp30 + (K2_000000000 * tmp33); + tmp48 = tmp35 + tmp34; + output[ostride] = tmp48 - tmp49; + output[4 * ostride] = tmp48 + tmp49; + tmp36 = tmp34 - tmp35; + output[7 * ostride] = tmp36 - tmp47; + output[13 * ostride] = tmp36 + tmp47; + } +} + +fftw_codelet_desc fftw_hc2real_15_desc = +{ + "fftw_hc2real_15", + (void (*)()) fftw_hc2real_15, + 15, + FFTW_BACKWARD, + FFTW_HC2REAL, + 345, + 0, + (const int *) 0, +}; -- cgit v1.2.3