From 416bd737074a287ea47106c73ea6bcfde40a75a8 Mon Sep 17 00:00:00 2001 From: John Glover Date: Fri, 24 Jun 2011 18:17:23 +0100 Subject: Change to using distutils. Currently only builds the simplsndobj module --- src/sndobj/rfftw/frc_12.c | 164 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 src/sndobj/rfftw/frc_12.c (limited to 'src/sndobj/rfftw/frc_12.c') diff --git a/src/sndobj/rfftw/frc_12.c b/src/sndobj/rfftw/frc_12.c new file mode 100644 index 0000000..3e573bf --- /dev/null +++ b/src/sndobj/rfftw/frc_12.c @@ -0,0 +1,164 @@ +/* + * 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 12 */ + +/* + * This function contains 38 FP additions, 8 FP multiplications, + * (or, 34 additions, 4 multiplications, 4 fused multiply/add), + * 18 stack variables, and 24 memory accesses + */ +static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627); +static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000); + +/* + * Generator Id's : + * $Id: frc_12.c,v 1.1.1.1 2006/05/12 15:14:56 veplaini Exp $ + * $Id: frc_12.c,v 1.1.1.1 2006/05/12 15:14:56 veplaini Exp $ + * $Id: frc_12.c,v 1.1.1.1 2006/05/12 15:14:56 veplaini Exp $ + */ + +void fftw_real2hc_12(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) +{ + fftw_real tmp5; + fftw_real tmp25; + fftw_real tmp11; + fftw_real tmp23; + fftw_real tmp30; + fftw_real tmp35; + fftw_real tmp10; + fftw_real tmp26; + fftw_real tmp12; + fftw_real tmp18; + fftw_real tmp29; + fftw_real tmp34; + fftw_real tmp31; + fftw_real tmp32; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp1; + fftw_real tmp2; + fftw_real tmp3; + fftw_real tmp4; + ASSERT_ALIGNED_DOUBLE; + tmp1 = input[0]; + tmp2 = input[4 * istride]; + tmp3 = input[8 * istride]; + tmp4 = tmp2 + tmp3; + tmp5 = tmp1 + tmp4; + tmp25 = tmp1 - (K500000000 * tmp4); + tmp11 = tmp3 - tmp2; + } + { + fftw_real tmp19; + fftw_real tmp20; + fftw_real tmp21; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp19 = input[9 * istride]; + tmp20 = input[istride]; + tmp21 = input[5 * istride]; + tmp22 = tmp20 + tmp21; + tmp23 = tmp19 - (K500000000 * tmp22); + tmp30 = tmp19 + tmp22; + tmp35 = tmp21 - tmp20; + } + { + fftw_real tmp6; + fftw_real tmp7; + fftw_real tmp8; + fftw_real tmp9; + ASSERT_ALIGNED_DOUBLE; + tmp6 = input[6 * istride]; + tmp7 = input[10 * istride]; + tmp8 = input[2 * istride]; + tmp9 = tmp7 + tmp8; + tmp10 = tmp6 + tmp9; + tmp26 = tmp6 - (K500000000 * tmp9); + tmp12 = tmp8 - tmp7; + } + { + fftw_real tmp14; + fftw_real tmp15; + fftw_real tmp16; + fftw_real tmp17; + ASSERT_ALIGNED_DOUBLE; + tmp14 = input[3 * istride]; + tmp15 = input[7 * istride]; + tmp16 = input[11 * istride]; + tmp17 = tmp15 + tmp16; + tmp18 = tmp14 - (K500000000 * tmp17); + tmp29 = tmp14 + tmp17; + tmp34 = tmp16 - tmp15; + } + real_output[3 * real_ostride] = tmp5 - tmp10; + imag_output[3 * imag_ostride] = tmp29 - tmp30; + tmp31 = tmp5 + tmp10; + tmp32 = tmp29 + tmp30; + real_output[6 * real_ostride] = tmp31 - tmp32; + real_output[0] = tmp31 + tmp32; + { + fftw_real tmp37; + fftw_real tmp38; + fftw_real tmp33; + fftw_real tmp36; + ASSERT_ALIGNED_DOUBLE; + tmp37 = tmp34 + tmp35; + tmp38 = tmp11 + tmp12; + imag_output[2 * imag_ostride] = K866025403 * (tmp37 - tmp38); + imag_output[4 * imag_ostride] = K866025403 * (tmp38 + tmp37); + tmp33 = tmp25 - tmp26; + tmp36 = K866025403 * (tmp34 - tmp35); + real_output[5 * real_ostride] = tmp33 - tmp36; + real_output[real_ostride] = tmp33 + tmp36; + } + { + fftw_real tmp27; + fftw_real tmp28; + fftw_real tmp13; + fftw_real tmp24; + ASSERT_ALIGNED_DOUBLE; + tmp27 = tmp25 + tmp26; + tmp28 = tmp18 + tmp23; + real_output[2 * real_ostride] = tmp27 - tmp28; + real_output[4 * real_ostride] = tmp27 + tmp28; + tmp13 = K866025403 * (tmp11 - tmp12); + tmp24 = tmp18 - tmp23; + imag_output[imag_ostride] = tmp13 - tmp24; + imag_output[5 * imag_ostride] = -(tmp13 + tmp24); + } +} + +fftw_codelet_desc fftw_real2hc_12_desc = +{ + "fftw_real2hc_12", + (void (*)()) fftw_real2hc_12, + 12, + FFTW_FORWARD, + FFTW_REAL2HC, + 266, + 0, + (const int *) 0, +}; -- cgit v1.2.3