/* * 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 * */ #include <string.h> #include "api.h" const int *X(rdft2_pad)(int rnk, const int *n, const int *nembed, int inplace, int cmplx, int **nfree) { A(FINITE_RNK(rnk)); *nfree = 0; if (!nembed && rnk > 0) { if (inplace || cmplx) { int *np = (int *) MALLOC(sizeof(int) * rnk, PROBLEMS); memcpy(np, n, sizeof(int) * rnk); np[rnk - 1] = (n[rnk - 1] / 2 + 1) * (1 + !cmplx); nembed = *nfree = np; } else nembed = n; } return nembed; }