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_10.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 sndobj/rfftw/fcr_10.c (limited to 'sndobj/rfftw/fcr_10.c') diff --git a/sndobj/rfftw/fcr_10.c b/sndobj/rfftw/fcr_10.c new file mode 100644 index 0000000..8fd3284 --- /dev/null +++ b/sndobj/rfftw/fcr_10.c @@ -0,0 +1,154 @@ +/* + * 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 20:44:21 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 10 */ + +/* + * This function contains 34 FP additions, 14 FP multiplications, + * (or, 26 additions, 6 multiplications, 8 fused multiply/add), + * 20 stack variables, and 20 memory accesses + */ +static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); +static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268); +static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875); +static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); +static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180); + +/* + * Generator Id's : + * $Id: fcr_10.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $ + * $Id: fcr_10.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $ + * $Id: fcr_10.c,v 1.1.1.1 2006/05/12 15:14:45 veplaini Exp $ + */ + +void fftw_hc2real_10(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 tmp11; + fftw_real tmp23; + fftw_real tmp31; + fftw_real tmp20; + fftw_real tmp30; + fftw_real tmp10; + fftw_real tmp28; + fftw_real tmp14; + fftw_real tmp16; + fftw_real tmp18; + fftw_real tmp19; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp21; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp1 = real_input[0]; + tmp2 = real_input[5 * real_istride]; + tmp3 = tmp1 - tmp2; + tmp11 = tmp1 + tmp2; + tmp21 = imag_input[4 * imag_istride]; + tmp22 = imag_input[imag_istride]; + tmp23 = tmp21 - tmp22; + tmp31 = tmp21 + tmp22; + } + tmp18 = imag_input[2 * imag_istride]; + tmp19 = imag_input[3 * imag_istride]; + tmp20 = tmp18 - tmp19; + tmp30 = tmp18 + tmp19; + { + fftw_real tmp6; + fftw_real tmp12; + fftw_real tmp9; + fftw_real tmp13; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp4; + fftw_real tmp5; + fftw_real tmp7; + fftw_real tmp8; + ASSERT_ALIGNED_DOUBLE; + tmp4 = real_input[2 * real_istride]; + tmp5 = real_input[3 * real_istride]; + tmp6 = tmp4 - tmp5; + tmp12 = tmp4 + tmp5; + tmp7 = real_input[4 * real_istride]; + tmp8 = real_input[real_istride]; + tmp9 = tmp7 - tmp8; + tmp13 = tmp7 + tmp8; + } + tmp10 = tmp6 + tmp9; + tmp28 = K1_118033988 * (tmp6 - tmp9); + tmp14 = tmp12 + tmp13; + tmp16 = K1_118033988 * (tmp12 - tmp13); + } + output[5 * ostride] = tmp3 + (K2_000000000 * tmp10); + { + fftw_real tmp32; + fftw_real tmp34; + fftw_real tmp29; + fftw_real tmp33; + fftw_real tmp27; + ASSERT_ALIGNED_DOUBLE; + tmp32 = (K1_175570504 * tmp30) - (K1_902113032 * tmp31); + tmp34 = (K1_902113032 * tmp30) + (K1_175570504 * tmp31); + tmp27 = tmp3 - (K500000000 * tmp10); + tmp29 = tmp27 - tmp28; + tmp33 = tmp28 + tmp27; + output[7 * ostride] = tmp29 - tmp32; + output[3 * ostride] = tmp29 + tmp32; + output[ostride] = tmp33 - tmp34; + output[9 * ostride] = tmp33 + tmp34; + } + output[0] = tmp11 + (K2_000000000 * tmp14); + { + fftw_real tmp24; + fftw_real tmp26; + fftw_real tmp17; + fftw_real tmp25; + fftw_real tmp15; + ASSERT_ALIGNED_DOUBLE; + tmp24 = (K1_175570504 * tmp20) - (K1_902113032 * tmp23); + tmp26 = (K1_902113032 * tmp20) + (K1_175570504 * tmp23); + tmp15 = tmp11 - (K500000000 * tmp14); + tmp17 = tmp15 - tmp16; + tmp25 = tmp16 + tmp15; + output[2 * ostride] = tmp17 - tmp24; + output[8 * ostride] = tmp17 + tmp24; + output[6 * ostride] = tmp25 - tmp26; + output[4 * ostride] = tmp25 + tmp26; + } +} + +fftw_codelet_desc fftw_hc2real_10_desc = +{ + "fftw_hc2real_10", + (void (*)()) fftw_hc2real_10, + 10, + FFTW_BACKWARD, + FFTW_HC2REAL, + 235, + 0, + (const int *) 0, +}; -- cgit v1.2.3