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_12.c | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 sndobj/rfftw/fcr_12.c (limited to 'sndobj/rfftw/fcr_12.c') diff --git a/sndobj/rfftw/fcr_12.c b/sndobj/rfftw/fcr_12.c new file mode 100644 index 0000000..effd9a0 --- /dev/null +++ b/sndobj/rfftw/fcr_12.c @@ -0,0 +1,168 @@ +/* + * 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 12 */ + +/* + * This function contains 38 FP additions, 10 FP multiplications, + * (or, 34 additions, 6 multiplications, 4 fused multiply/add), + * 22 stack variables, and 24 memory accesses + */ +static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254); +static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); + +/* + * Generator Id's : + * $Id: fcr_12.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $ + * $Id: fcr_12.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $ + * $Id: fcr_12.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $ + */ + +void fftw_hc2real_12(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) +{ + fftw_real tmp8; + fftw_real tmp11; + fftw_real tmp22; + fftw_real tmp36; + fftw_real tmp32; + fftw_real tmp33; + fftw_real tmp25; + fftw_real tmp37; + fftw_real tmp3; + fftw_real tmp27; + fftw_real tmp16; + fftw_real tmp6; + fftw_real tmp28; + fftw_real tmp20; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp9; + fftw_real tmp10; + fftw_real tmp23; + fftw_real tmp24; + ASSERT_ALIGNED_DOUBLE; + tmp8 = real_input[3 * real_istride]; + tmp9 = real_input[5 * real_istride]; + tmp10 = real_input[real_istride]; + tmp11 = tmp9 + tmp10; + tmp22 = (K2_000000000 * tmp8) - tmp11; + tmp36 = K1_732050807 * (tmp9 - tmp10); + tmp32 = imag_input[3 * imag_istride]; + tmp23 = imag_input[5 * imag_istride]; + tmp24 = imag_input[imag_istride]; + tmp33 = tmp23 + tmp24; + tmp25 = K1_732050807 * (tmp23 - tmp24); + tmp37 = (K2_000000000 * tmp32) + tmp33; + } + { + fftw_real tmp15; + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp13; + fftw_real tmp14; + ASSERT_ALIGNED_DOUBLE; + tmp14 = imag_input[4 * imag_istride]; + tmp15 = K1_732050807 * tmp14; + tmp1 = real_input[0]; + tmp2 = real_input[4 * real_istride]; + tmp13 = tmp1 - tmp2; + tmp3 = tmp1 + (K2_000000000 * tmp2); + tmp27 = tmp13 - tmp15; + tmp16 = tmp13 + tmp15; + } + { + fftw_real tmp19; + fftw_real tmp4; + fftw_real tmp5; + fftw_real tmp17; + fftw_real tmp18; + ASSERT_ALIGNED_DOUBLE; + tmp18 = imag_input[2 * imag_istride]; + tmp19 = K1_732050807 * tmp18; + tmp4 = real_input[6 * real_istride]; + tmp5 = real_input[2 * real_istride]; + tmp17 = tmp4 - tmp5; + tmp6 = tmp4 + (K2_000000000 * tmp5); + tmp28 = tmp17 + tmp19; + tmp20 = tmp17 - tmp19; + } + { + fftw_real tmp7; + fftw_real tmp12; + fftw_real tmp39; + fftw_real tmp40; + ASSERT_ALIGNED_DOUBLE; + tmp7 = tmp3 + tmp6; + tmp12 = K2_000000000 * (tmp8 + tmp11); + output[6 * ostride] = tmp7 - tmp12; + output[0] = tmp7 + tmp12; + { + fftw_real tmp31; + fftw_real tmp34; + fftw_real tmp21; + fftw_real tmp26; + ASSERT_ALIGNED_DOUBLE; + tmp31 = tmp3 - tmp6; + tmp34 = K2_000000000 * (tmp32 - tmp33); + output[9 * ostride] = tmp31 - tmp34; + output[3 * ostride] = tmp31 + tmp34; + tmp21 = tmp16 + tmp20; + tmp26 = tmp22 - tmp25; + output[2 * ostride] = tmp21 - tmp26; + output[8 * ostride] = tmp21 + tmp26; + } + tmp39 = tmp16 - tmp20; + tmp40 = tmp37 - tmp36; + output[5 * ostride] = tmp39 - tmp40; + output[11 * ostride] = tmp39 + tmp40; + { + fftw_real tmp35; + fftw_real tmp38; + fftw_real tmp29; + fftw_real tmp30; + ASSERT_ALIGNED_DOUBLE; + tmp35 = tmp27 - tmp28; + tmp38 = tmp36 + tmp37; + output[ostride] = tmp35 - tmp38; + output[7 * ostride] = tmp35 + tmp38; + tmp29 = tmp27 + tmp28; + tmp30 = tmp22 + tmp25; + output[10 * ostride] = tmp29 - tmp30; + output[4 * ostride] = tmp29 + tmp30; + } + } +} + +fftw_codelet_desc fftw_hc2real_12_desc = +{ + "fftw_hc2real_12", + (void (*)()) fftw_hc2real_12, + 12, + FFTW_BACKWARD, + FFTW_HC2REAL, + 279, + 0, + (const int *) 0, +}; -- cgit v1.2.3