Chris@19: /* Chris@19: * Copyright (c) 2003, 2007-14 Matteo Frigo Chris@19: * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology Chris@19: * Chris@19: * This program is free software; you can redistribute it and/or modify Chris@19: * it under the terms of the GNU General Public License as published by Chris@19: * the Free Software Foundation; either version 2 of the License, or Chris@19: * (at your option) any later version. Chris@19: * Chris@19: * This program is distributed in the hope that it will be useful, Chris@19: * but WITHOUT ANY WARRANTY; without even the implied warranty of Chris@19: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Chris@19: * GNU General Public License for more details. Chris@19: * Chris@19: * You should have received a copy of the GNU General Public License Chris@19: * along with this program; if not, write to the Free Software Chris@19: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Chris@19: * Chris@19: */ Chris@19: Chris@19: #include Chris@19: #include "api.h" Chris@19: Chris@19: const int *X(rdft2_pad)(int rnk, const int *n, const int *nembed, Chris@19: int inplace, int cmplx, int **nfree) Chris@19: { Chris@19: A(FINITE_RNK(rnk)); Chris@19: *nfree = 0; Chris@19: if (!nembed && rnk > 0) { Chris@19: if (inplace || cmplx) { Chris@19: int *np = (int *) MALLOC(sizeof(int) * rnk, PROBLEMS); Chris@19: memcpy(np, n, sizeof(int) * rnk); Chris@19: np[rnk - 1] = (n[rnk - 1] / 2 + 1) * (1 + !cmplx); Chris@19: nembed = *nfree = np; Chris@19: } else Chris@19: nembed = n; Chris@19: } Chris@19: return nembed; Chris@19: }