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_16.c | 226 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 226 insertions(+) create mode 100644 sndobj/rfftw/fcr_16.c (limited to 'sndobj/rfftw/fcr_16.c') diff --git a/sndobj/rfftw/fcr_16.c b/sndobj/rfftw/fcr_16.c new file mode 100644 index 0000000..d1e6c1d --- /dev/null +++ b/sndobj/rfftw/fcr_16.c @@ -0,0 +1,226 @@ +/* + * 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 20:44:27 EST 1999 */ + +#include +#include + +/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 16 */ + +/* + * This function contains 58 FP additions, 18 FP multiplications, + * (or, 54 additions, 14 multiplications, 4 fused multiply/add), + * 26 stack variables, and 32 memory accesses + */ +static const fftw_real K765366864 = FFTW_KONST(+0.765366864730179543456919968060797733522689125); +static const fftw_real K1_847759065 = FFTW_KONST(+1.847759065022573512256366378793576573644833252); +static const fftw_real K1_414213562 = FFTW_KONST(+1.414213562373095048801688724209698078569671875); +static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000); + +/* + * Generator Id's : + * $Id: fcr_16.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $ + * $Id: fcr_16.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $ + * $Id: fcr_16.c,v 1.1.1.1 2006/05/12 15:14:46 veplaini Exp $ + */ + +void fftw_hc2real_16(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride) +{ + fftw_real tmp9; + fftw_real tmp54; + fftw_real tmp42; + fftw_real tmp21; + fftw_real tmp6; + fftw_real tmp18; + fftw_real tmp39; + fftw_real tmp53; + fftw_real tmp13; + fftw_real tmp29; + fftw_real tmp16; + fftw_real tmp26; + fftw_real tmp23; + fftw_real tmp49; + fftw_real tmp57; + fftw_real tmp56; + fftw_real tmp46; + fftw_real tmp30; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp7; + fftw_real tmp8; + fftw_real tmp40; + fftw_real tmp19; + fftw_real tmp20; + fftw_real tmp41; + ASSERT_ALIGNED_DOUBLE; + tmp7 = real_input[2 * real_istride]; + tmp8 = real_input[6 * real_istride]; + tmp40 = tmp7 - tmp8; + tmp19 = imag_input[2 * imag_istride]; + tmp20 = imag_input[6 * imag_istride]; + tmp41 = tmp20 + tmp19; + tmp9 = K2_000000000 * (tmp7 + tmp8); + tmp54 = K1_414213562 * (tmp40 + tmp41); + tmp42 = K1_414213562 * (tmp40 - tmp41); + tmp21 = K2_000000000 * (tmp19 - tmp20); + } + { + fftw_real tmp5; + fftw_real tmp38; + fftw_real tmp3; + fftw_real tmp36; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp4; + fftw_real tmp37; + fftw_real tmp1; + fftw_real tmp2; + ASSERT_ALIGNED_DOUBLE; + tmp4 = real_input[4 * real_istride]; + tmp5 = K2_000000000 * tmp4; + tmp37 = imag_input[4 * imag_istride]; + tmp38 = K2_000000000 * tmp37; + tmp1 = real_input[0]; + tmp2 = real_input[8 * real_istride]; + tmp3 = tmp1 + tmp2; + tmp36 = tmp1 - tmp2; + } + tmp6 = tmp3 + tmp5; + tmp18 = tmp3 - tmp5; + tmp39 = tmp36 - tmp38; + tmp53 = tmp36 + tmp38; + } + { + fftw_real tmp44; + fftw_real tmp48; + fftw_real tmp47; + fftw_real tmp45; + ASSERT_ALIGNED_DOUBLE; + { + fftw_real tmp11; + fftw_real tmp12; + fftw_real tmp27; + fftw_real tmp28; + ASSERT_ALIGNED_DOUBLE; + tmp11 = real_input[real_istride]; + tmp12 = real_input[7 * real_istride]; + tmp13 = tmp11 + tmp12; + tmp44 = tmp11 - tmp12; + tmp27 = imag_input[imag_istride]; + tmp28 = imag_input[7 * imag_istride]; + tmp29 = tmp27 - tmp28; + tmp48 = tmp27 + tmp28; + } + { + fftw_real tmp14; + fftw_real tmp15; + fftw_real tmp24; + fftw_real tmp25; + ASSERT_ALIGNED_DOUBLE; + tmp14 = real_input[3 * real_istride]; + tmp15 = real_input[5 * real_istride]; + tmp16 = tmp14 + tmp15; + tmp47 = tmp15 - tmp14; + tmp24 = imag_input[3 * imag_istride]; + tmp25 = imag_input[5 * imag_istride]; + tmp26 = tmp24 - tmp25; + tmp45 = tmp25 + tmp24; + } + tmp23 = tmp13 - tmp16; + tmp49 = tmp47 + tmp48; + tmp57 = tmp48 - tmp47; + tmp56 = tmp44 + tmp45; + tmp46 = tmp44 - tmp45; + tmp30 = tmp26 + tmp29; + } + { + fftw_real tmp10; + fftw_real tmp17; + fftw_real tmp34; + fftw_real tmp35; + ASSERT_ALIGNED_DOUBLE; + tmp10 = tmp6 + tmp9; + tmp17 = K2_000000000 * (tmp13 + tmp16); + output[8 * ostride] = tmp10 - tmp17; + output[0] = tmp10 + tmp17; + tmp34 = tmp6 - tmp9; + tmp35 = K2_000000000 * (tmp29 - tmp26); + output[4 * ostride] = tmp34 - tmp35; + output[12 * ostride] = tmp34 + tmp35; + } + { + fftw_real tmp22; + fftw_real tmp31; + fftw_real tmp32; + fftw_real tmp33; + ASSERT_ALIGNED_DOUBLE; + tmp22 = tmp18 - tmp21; + tmp31 = K1_414213562 * (tmp23 - tmp30); + output[10 * ostride] = tmp22 - tmp31; + output[2 * ostride] = tmp22 + tmp31; + tmp32 = tmp18 + tmp21; + tmp33 = K1_414213562 * (tmp23 + tmp30); + output[6 * ostride] = tmp32 - tmp33; + output[14 * ostride] = tmp32 + tmp33; + } + { + fftw_real tmp43; + fftw_real tmp50; + fftw_real tmp51; + fftw_real tmp52; + ASSERT_ALIGNED_DOUBLE; + tmp43 = tmp39 + tmp42; + tmp50 = (K1_847759065 * tmp46) - (K765366864 * tmp49); + output[9 * ostride] = tmp43 - tmp50; + output[ostride] = tmp43 + tmp50; + tmp51 = tmp39 - tmp42; + tmp52 = (K765366864 * tmp46) + (K1_847759065 * tmp49); + output[5 * ostride] = tmp51 - tmp52; + output[13 * ostride] = tmp51 + tmp52; + } + { + fftw_real tmp55; + fftw_real tmp58; + fftw_real tmp59; + fftw_real tmp60; + ASSERT_ALIGNED_DOUBLE; + tmp55 = tmp53 - tmp54; + tmp58 = (K765366864 * tmp56) - (K1_847759065 * tmp57); + output[11 * ostride] = tmp55 - tmp58; + output[3 * ostride] = tmp55 + tmp58; + tmp59 = tmp53 + tmp54; + tmp60 = (K1_847759065 * tmp56) + (K765366864 * tmp57); + output[7 * ostride] = tmp59 - tmp60; + output[15 * ostride] = tmp59 + tmp60; + } +} + +fftw_codelet_desc fftw_hc2real_16_desc = +{ + "fftw_hc2real_16", + (void (*)()) fftw_hc2real_16, + 16, + FFTW_BACKWARD, + FFTW_HC2REAL, + 367, + 0, + (const int *) 0, +}; -- cgit v1.2.3