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42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "kernel/ifftw.h"
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#if HAVE_SIMD
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# define ALGN 16
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#else
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/* disable the alignment machinery, because it will break,
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e.g., if sizeof(R) == 12 (as in long-double/x86) */
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# define ALGN 0
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#endif
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/* NONPORTABLE */
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int X(ialignment_of)(R *p)
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{
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#if ALGN == 0
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UNUSED(p);
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return 0;
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#else
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return (int)(((uintptr_t) p) % ALGN);
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#endif
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}
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