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Diffstat (limited to 'src/fftw3/dft/zero.c')
-rw-r--r-- | src/fftw3/dft/zero.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/fftw3/dft/zero.c b/src/fftw3/dft/zero.c deleted file mode 100644 index df34e0e..0000000 --- a/src/fftw3/dft/zero.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2003 Matteo Frigo - * Copyright (c) 2003 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 - * - */ - -/* $Id: zero.c,v 1.1 2008/10/17 06:11:08 scuri Exp $ */ - -#include "dft.h" - -/* fill a complex array with zeros. */ -static void recur(const iodim *dims, int rnk, R *ri, R *ii) -{ - if (rnk == RNK_MINFTY) - return; - else if (rnk == 0) - ri[0] = ii[0] = K(0.0); - else if (rnk > 0) { - int i, n = dims[0].n; - int is = dims[0].is; - - if (rnk == 1) { - /* this case is redundant but faster */ - for (i = 0; i < n; ++i) - ri[i * is] = ii[i * is] = K(0.0); - } else { - for (i = 0; i < n; ++i) - recur(dims + 1, rnk - 1, ri + i * is, ii + i * is); - } - } -} - - -void X(dft_zerotens)(tensor *sz, R *ri, R *ii) -{ - recur(sz->dims, sz->rnk, ri, ii); -} |