/* * 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: align.c,v 1.1 2008/10/17 06:11:29 scuri Exp $ */ #include "ifftw.h" #if HAVE_3DNOW # define ALGN 8 #elif HAVE_SIMD # define ALGN 16 #elif HAVE_K7 # define ALGN 8 #else # define ALGN (sizeof(R)) #endif /* NONPORTABLE */ int X(alignment_of)(R *p) { return (int)(((uintptr_t) p) % ALGN); }