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/frc_10.c | 150 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 sndobj/rfftw/frc_10.c (limited to 'sndobj/rfftw/frc_10.c') diff --git a/sndobj/rfftw/frc_10.c b/sndobj/rfftw/frc_10.c new file mode 100644 index 0000000..985d92d --- /dev/null +++ b/sndobj/rfftw/frc_10.c @@ -0,0 +1,150 @@ +/* + * 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 20:43:55 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 10 */ + +/* + * This function contains 34 FP additions, 12 FP multiplications, + * (or, 28 additions, 6 multiplications, 6 fused multiply/add), + * 22 stack variables, and 20 memory accesses + */ +static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438); +static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634); +static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000); +static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590); + +/* + * Generator Id's : + * $Id: frc_10.c,v 1.1.1.1 2006/05/12 15:14:48 veplaini Exp $ + * $Id: frc_10.c,v 1.1.1.1 2006/05/12 15:14:48 veplaini Exp $ + * $Id: frc_10.c,v 1.1.1.1 2006/05/12 15:14:48 veplaini Exp $ + */ + +void fftw_real2hc_10(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) +{ + fftw_real tmp18; + fftw_real tmp29; + fftw_real tmp10; + fftw_real tmp23; + fftw_real tmp13; + fftw_real tmp24; + fftw_real tmp14; + fftw_real tmp31; + fftw_real tmp3; + fftw_real tmp26; + fftw_real tmp6; + fftw_real tmp27; + fftw_real tmp7; + fftw_real tmp30; + fftw_real tmp16; + fftw_real tmp17; + ASSERT_ALIGNED_DOUBLE; + tmp16 = input[0]; + tmp17 = input[5 * istride]; + tmp18 = tmp16 - tmp17; + tmp29 = tmp16 + tmp17; + { + fftw_real tmp8; + fftw_real tmp9; + fftw_real tmp11; + fftw_real tmp12; + ASSERT_ALIGNED_DOUBLE; + tmp8 = input[4 * istride]; + tmp9 = input[9 * istride]; + tmp10 = tmp8 - tmp9; + tmp23 = tmp8 + tmp9; + tmp11 = input[6 * istride]; + tmp12 = input[istride]; + tmp13 = tmp11 - tmp12; + tmp24 = tmp11 + tmp12; + } + tmp14 = tmp10 + tmp13; + tmp31 = tmp23 + tmp24; + { + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp4; + fftw_real tmp5; + ASSERT_ALIGNED_DOUBLE; + tmp1 = input[2 * istride]; + tmp2 = input[7 * istride]; + tmp3 = tmp1 - tmp2; + tmp26 = tmp1 + tmp2; + tmp4 = input[8 * istride]; + tmp5 = input[3 * istride]; + tmp6 = tmp4 - tmp5; + tmp27 = tmp4 + tmp5; + } + tmp7 = tmp3 + tmp6; + tmp30 = tmp26 + tmp27; + { + fftw_real tmp15; + fftw_real tmp19; + fftw_real tmp20; + fftw_real tmp34; + fftw_real tmp32; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp15 = K559016994 * (tmp7 - tmp14); + tmp19 = tmp7 + tmp14; + tmp20 = tmp18 - (K250000000 * tmp19); + real_output[real_ostride] = tmp15 + tmp20; + real_output[3 * real_ostride] = tmp20 - tmp15; + real_output[5 * real_ostride] = tmp18 + tmp19; + tmp34 = K559016994 * (tmp30 - tmp31); + tmp32 = tmp30 + tmp31; + tmp33 = tmp29 - (K250000000 * tmp32); + real_output[2 * real_ostride] = tmp33 - tmp34; + real_output[4 * real_ostride] = tmp34 + tmp33; + real_output[0] = tmp29 + tmp32; + } + { + fftw_real tmp21; + fftw_real tmp22; + fftw_real tmp25; + fftw_real tmp28; + ASSERT_ALIGNED_DOUBLE; + tmp21 = tmp3 - tmp6; + tmp22 = tmp10 - tmp13; + imag_output[imag_ostride] = -((K951056516 * tmp21) + (K587785252 * tmp22)); + imag_output[3 * imag_ostride] = (K587785252 * tmp21) - (K951056516 * tmp22); + tmp25 = tmp23 - tmp24; + tmp28 = tmp26 - tmp27; + imag_output[2 * imag_ostride] = (K951056516 * tmp25) - (K587785252 * tmp28); + imag_output[4 * imag_ostride] = (K951056516 * tmp28) + (K587785252 * tmp25); + } +} + +fftw_codelet_desc fftw_real2hc_10_desc = +{ + "fftw_real2hc_10", + (void (*)()) fftw_real2hc_10, + 10, + FFTW_FORWARD, + FFTW_REAL2HC, + 222, + 0, + (const int *) 0, +}; -- cgit v1.2.3