/*
* Copyright (c) 2003, 2007-11 Matteo Frigo
* Copyright (c) 2003, 2007-11 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
#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;
}