/* * 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 11 */ /* * This function contains 60 FP additions, 50 FP multiplications, * (or, 60 additions, 50 multiplications, 0 fused multiply/add), * 17 stack variables, and 22 memory accesses */ static const fftw_real K654860733 = FFTW_KONST(+0.654860733945285064056925072466293553183791199); static const fftw_real K142314838 = FFTW_KONST(+0.142314838273285140443792668616369668791051361); static const fftw_real K959492973 = FFTW_KONST(+0.959492973614497389890368057066327699062454848); static const fftw_real K415415013 = FFTW_KONST(+0.415415013001886425529274149229623203524004910); static const fftw_real K841253532 = FFTW_KONST(+0.841253532831181168861811648919367717513292498); static const fftw_real K989821441 = FFTW_KONST(+0.989821441880932732376092037776718787376519372); static const fftw_real K909631995 = FFTW_KONST(+0.909631995354518371411715383079028460060241051); static const fftw_real K281732556 = FFTW_KONST(+0.281732556841429697711417915346616899035777899); static const fftw_real K540640817 = FFTW_KONST(+0.540640817455597582107635954318691695431770608); static const fftw_real K755749574 = FFTW_KONST(+0.755749574354258283774035843972344420179717445); /* * Generator Id's : * $Id: exprdag.ml,v 1.41 1999/05/26 15:44:14 fftw Exp $ * $Id: fft.ml,v 1.43 1999/05/17 19:44:18 fftw Exp $ * $Id: to_c.ml,v 1.25 1999/10/26 21:41:32 stevenj Exp $ */ void fftw_real2hc_11(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride) { fftw_real tmp1; fftw_real tmp4; fftw_real tmp21; fftw_real tmp16; fftw_real tmp17; fftw_real tmp13; fftw_real tmp18; fftw_real tmp10; fftw_real tmp20; fftw_real tmp7; fftw_real tmp19; fftw_real tmp11; fftw_real tmp12; ASSERT_ALIGNED_DOUBLE; tmp1 = input[0]; { fftw_real tmp2; fftw_real tmp3; fftw_real tmp14; fftw_real tmp15; ASSERT_ALIGNED_DOUBLE; tmp2 = input[2 * istride]; tmp3 = input[9 * istride]; tmp4 = tmp2 + tmp3; tmp21 = tmp3 - tmp2; tmp14 = input[istride]; tmp15 = input[10 * istride]; tmp16 = tmp14 + tmp15; tmp17 = tmp15 - tmp14; } tmp11 = input[3 * istride]; tmp12 = input[8 * istride]; tmp13 = tmp11 + tmp12; tmp18 = tmp12 - tmp11; { fftw_real tmp8; fftw_real tmp9; fftw_real tmp5; fftw_real tmp6; ASSERT_ALIGNED_DOUBLE; tmp8 = input[5 * istride]; tmp9 = input[6 * istride]; tmp10 = tmp8 + tmp9; tmp20 = tmp9 - tmp8; tmp5 = input[4 * istride]; tmp6 = input[7 * istride]; tmp7 = tmp5 + tmp6; tmp19 = tmp6 - tmp5; } imag_output[4 * imag_ostride] = (K755749574 * tmp17) + (K540640817 * tmp18) + (K281732556 * tmp19) - (K909631995 * tmp20) - (K989821441 * tmp21); imag_output[imag_ostride] = (K540640817 * tmp17) + (K909631995 * tmp21) + (K989821441 * tmp18) + (K755749574 * tmp19) + (K281732556 * tmp20); imag_output[5 * imag_ostride] = (K281732556 * tmp17) + (K755749574 * tmp18) + (K989821441 * tmp20) - (K909631995 * tmp19) - (K540640817 * tmp21); imag_output[2 * imag_ostride] = (K909631995 * tmp17) + (K755749574 * tmp21) - (K540640817 * tmp20) - (K989821441 * tmp19) - (K281732556 * tmp18); imag_output[3 * imag_ostride] = (K989821441 * tmp17) + (K540640817 * tmp19) + (K755749574 * tmp20) - (K909631995 * tmp18) - (K281732556 * tmp21); real_output[4 * real_ostride] = tmp1 + (K841253532 * tmp13) + (K415415013 * tmp10) - (K959492973 * tmp7) - (K142314838 * tmp4) - (K654860733 * tmp16); real_output[5 * real_ostride] = tmp1 + (K841253532 * tmp4) + (K415415013 * tmp7) - (K142314838 * tmp10) - (K654860733 * tmp13) - (K959492973 * tmp16); real_output[real_ostride] = tmp1 + (K841253532 * tmp16) + (K415415013 * tmp4) - (K959492973 * tmp10) - (K654860733 * tmp7) - (K142314838 * tmp13); real_output[0] = tmp1 + tmp16 + tmp4 + tmp13 + tmp7 + tmp10; real_output[3 * real_ostride] = tmp1 + (K415415013 * tmp13) + (K841253532 * tmp7) - (K654860733 * tmp10) - (K959492973 * tmp4) - (K142314838 * tmp16); real_output[2 * real_ostride] = tmp1 + (K415415013 * tmp16) + (K841253532 * tmp10) - (K142314838 * tmp7) - (K959492973 * tmp13) - (K654860733 * tmp4); } fftw_codelet_desc fftw_real2hc_11_desc = { "fftw_real2hc_11", (void (*)()) fftw_real2hc_11, 11, FFTW_FORWARD, FFTW_REAL2HC, 244, 0, (const int *) 0, };