cannam@95: /*
cannam@95:  * Copyright (c) 2003, 2007-11 Matteo Frigo
cannam@95:  * Copyright (c) 2003, 2007-11 Massachusetts Institute of Technology
cannam@95:  *
cannam@95:  * This program is free software; you can redistribute it and/or modify
cannam@95:  * it under the terms of the GNU General Public License as published by
cannam@95:  * the Free Software Foundation; either version 2 of the License, or
cannam@95:  * (at your option) any later version.
cannam@95:  *
cannam@95:  * This program is distributed in the hope that it will be useful,
cannam@95:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@95:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@95:  * GNU General Public License for more details.
cannam@95:  *
cannam@95:  * You should have received a copy of the GNU General Public License
cannam@95:  * along with this program; if not, write to the Free Software
cannam@95:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@95:  *
cannam@95:  */
cannam@95: 
cannam@95: 
cannam@95: #include "ifftw.h"
cannam@95: 
cannam@95: #if HAVE_SIMD
cannam@95: #  define ALGN 16
cannam@95: #else
cannam@95:    /* disable the alignment machinery, because it will break,
cannam@95:       e.g., if sizeof(R) == 12 (as in long-double/x86) */
cannam@95: #  define ALGN 0
cannam@95: #endif
cannam@95: 
cannam@95: /* NONPORTABLE */
cannam@95: int X(alignment_of)(R *p)
cannam@95: {
cannam@95: #if ALGN == 0
cannam@95:      UNUSED(p);
cannam@95:      return 0;
cannam@95: #else
cannam@95:      return (int)(((uintptr_t) p) % ALGN);
cannam@95: #endif
cannam@95: }