79 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			79 lines
		
	
	
		
			1.8 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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								/* constructor */
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								problem *X(mkproblem)(size_t sz, const problem_adt *adt)
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								{
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								     problem *p = (problem *)MALLOC(sz, PROBLEMS);
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								     p->adt = adt;
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								     return p;
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								}
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								/* destructor */
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								void X(problem_destroy)(problem *ego)
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								{
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								     if (ego)
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									  ego->adt->destroy(ego);
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								}
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								/* management of unsolvable problems */
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								static void unsolvable_destroy(problem *ego)
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								{
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								     UNUSED(ego);
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								}
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								static void unsolvable_hash(const problem *p, md5 *m)
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								{
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								     UNUSED(p);
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								     X(md5puts)(m, "unsolvable");
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								}
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								static void unsolvable_print(const problem *ego, printer *p)
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								{
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								     UNUSED(ego);
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								     p->print(p, "(unsolvable)");
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								}
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								static void unsolvable_zero(const problem *ego)
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								{
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								     UNUSED(ego);
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								}
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								static const problem_adt padt =
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								{
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								     PROBLEM_UNSOLVABLE,
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								     unsolvable_hash,
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								     unsolvable_zero,
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								     unsolvable_print,
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								     unsolvable_destroy
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								};
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								/* there is no point in malloc'ing this one */
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								static problem the_unsolvable_problem = { &padt };
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								problem *X(mkproblem_unsolvable)(void)
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								{
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								     return &the_unsolvable_problem;
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								}
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