/* * 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 20:43:53 EST 1999 */ #include #include /* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 2 */ /* * This function contains 2 FP additions, 0 FP multiplications, * (or, 2 additions, 0 multiplications, 0 fused multiply/add), * 2 stack variables, and 4 memory accesses */ /* * 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_2(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 tmp2; ASSERT_ALIGNED_DOUBLE; tmp1 = input[0]; tmp2 = input[istride]; real_output[real_ostride] = tmp1 - tmp2; real_output[0] = tmp1 + tmp2; } fftw_codelet_desc fftw_real2hc_2_desc = { "fftw_real2hc_2", (void (*)()) fftw_real2hc_2, 2, FFTW_FORWARD, FFTW_REAL2HC, 46, 0, (const int *) 0, };