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_14.c | 171 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 sndobj/rfftw/frc_14.c (limited to 'sndobj/rfftw/frc_14.c') diff --git a/sndobj/rfftw/frc_14.c b/sndobj/rfftw/frc_14.c new file mode 100644 index 0000000..75b1dba --- /dev/null +++ b/sndobj/rfftw/frc_14.c @@ -0,0 +1,171 @@ +/* + * 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 20:43:58 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 14 */ + +/* + * This function contains 62 FP additions, 36 FP multiplications, + * (or, 62 additions, 36 multiplications, 0 fused multiply/add), + * 22 stack variables, and 28 memory accesses + */ +static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162); +static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569); +static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731); +static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728); +static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801); +static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519); + +/* + * Generator Id's : + * $Id: frc_14.c,v 1.1.1.1 2006/05/12 15:14:47 veplaini Exp $ + * $Id: frc_14.c,v 1.1.1.1 2006/05/12 15:14:47 veplaini Exp $ + * $Id: frc_14.c,v 1.1.1.1 2006/05/12 15:14:47 veplaini Exp $ + */ + +void fftw_real2hc_14(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) +{ + fftw_real tmp3; + fftw_real tmp37; + fftw_real tmp6; + fftw_real tmp31; + fftw_real tmp23; + fftw_real tmp28; + fftw_real tmp20; + fftw_real tmp29; + fftw_real tmp13; + fftw_real tmp34; + fftw_real tmp9; + fftw_real tmp32; + fftw_real tmp16; + fftw_real tmp35; + fftw_real tmp1; + fftw_real tmp2; + ASSERT_ALIGNED_DOUBLE; + tmp1 = input[0]; + tmp2 = input[7 * istride]; + tmp3 = tmp1 - tmp2; + tmp37 = tmp1 + tmp2; + { + fftw_real tmp4; + fftw_real tmp5; + fftw_real tmp21; + fftw_real tmp22; + ASSERT_ALIGNED_DOUBLE; + tmp4 = input[4 * istride]; + tmp5 = input[11 * istride]; + tmp6 = tmp4 - tmp5; + tmp31 = tmp4 + tmp5; + tmp21 = input[12 * istride]; + tmp22 = input[5 * istride]; + tmp23 = tmp21 - tmp22; + tmp28 = tmp21 + tmp22; + } + { + fftw_real tmp18; + fftw_real tmp19; + fftw_real tmp11; + fftw_real tmp12; + ASSERT_ALIGNED_DOUBLE; + tmp18 = input[2 * istride]; + tmp19 = input[9 * istride]; + tmp20 = tmp18 - tmp19; + tmp29 = tmp18 + tmp19; + tmp11 = input[6 * istride]; + tmp12 = input[13 * istride]; + tmp13 = tmp11 - tmp12; + tmp34 = tmp11 + tmp12; + } + { + fftw_real tmp7; + fftw_real tmp8; + fftw_real tmp14; + fftw_real tmp15; + ASSERT_ALIGNED_DOUBLE; + tmp7 = input[10 * istride]; + tmp8 = input[3 * istride]; + tmp9 = tmp7 - tmp8; + tmp32 = tmp7 + tmp8; + tmp14 = input[8 * istride]; + tmp15 = input[istride]; + tmp16 = tmp14 - tmp15; + tmp35 = tmp14 + tmp15; + } + { + fftw_real tmp25; + fftw_real tmp27; + fftw_real tmp26; + fftw_real tmp10; + fftw_real tmp24; + fftw_real tmp17; + ASSERT_ALIGNED_DOUBLE; + tmp25 = tmp23 - tmp20; + tmp27 = tmp16 - tmp13; + tmp26 = tmp9 - tmp6; + imag_output[imag_ostride] = (K781831482 * tmp25) + (K974927912 * tmp26) + (K433883739 * tmp27); + imag_output[5 * imag_ostride] = -((K974927912 * tmp25) - (K781831482 * tmp27) - (K433883739 * tmp26)); + imag_output[3 * imag_ostride] = (K433883739 * tmp25) + (K974927912 * tmp27) - (K781831482 * tmp26); + tmp10 = tmp6 + tmp9; + tmp24 = tmp20 + tmp23; + tmp17 = tmp13 + tmp16; + real_output[3 * real_ostride] = tmp3 + (K623489801 * tmp10) - (K222520933 * tmp17) - (K900968867 * tmp24); + real_output[7 * real_ostride] = tmp3 + tmp24 + tmp10 + tmp17; + real_output[real_ostride] = tmp3 + (K623489801 * tmp24) - (K900968867 * tmp17) - (K222520933 * tmp10); + real_output[5 * real_ostride] = tmp3 + (K623489801 * tmp17) - (K900968867 * tmp10) - (K222520933 * tmp24); + } + { + fftw_real tmp30; + fftw_real tmp36; + fftw_real tmp33; + fftw_real tmp38; + fftw_real tmp40; + fftw_real tmp39; + ASSERT_ALIGNED_DOUBLE; + tmp30 = tmp28 - tmp29; + tmp36 = tmp34 - tmp35; + tmp33 = tmp31 - tmp32; + imag_output[2 * imag_ostride] = (K974927912 * tmp30) + (K433883739 * tmp33) + (K781831482 * tmp36); + imag_output[6 * imag_ostride] = -((K781831482 * tmp30) - (K433883739 * tmp36) - (K974927912 * tmp33)); + imag_output[4 * imag_ostride] = -((K433883739 * tmp30) + (K781831482 * tmp33) - (K974927912 * tmp36)); + tmp38 = tmp29 + tmp28; + tmp40 = tmp31 + tmp32; + tmp39 = tmp34 + tmp35; + real_output[6 * real_ostride] = tmp37 + (K623489801 * tmp38) - (K900968867 * tmp39) - (K222520933 * tmp40); + real_output[2 * real_ostride] = tmp37 + (K623489801 * tmp39) - (K900968867 * tmp40) - (K222520933 * tmp38); + real_output[4 * real_ostride] = tmp37 + (K623489801 * tmp40) - (K222520933 * tmp39) - (K900968867 * tmp38); + real_output[0] = tmp37 + tmp38 + tmp40 + tmp39; + } +} + +fftw_codelet_desc fftw_real2hc_14_desc = +{ + "fftw_real2hc_14", + (void (*)()) fftw_real2hc_14, + 14, + FFTW_FORWARD, + FFTW_REAL2HC, + 310, + 0, + (const int *) 0, +}; 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