56 lines
1.0 KiB
C
56 lines
1.0 KiB
C
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#ifndef _assign_h_INCLUDED
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#define _assign_h_INCLUDED
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#include <stdbool.h>
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#define DECISION UINT_MAX
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#define UNIT (DECISION - 1)
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#define ANALYZED 1
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#define POISONED 2
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#define REMOVABLE 3
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#define LD_MAX_LEVEL 28
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#define INFINITE_LEVEL UINT_MAX
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#define INVALID_LEVEL UINT_MAX
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#define MAX_LEVEL ((1u << LD_MAX_LEVEL) - 1)
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typedef struct assigned assigned;
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struct clause;
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struct assigned
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{
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unsigned level:LD_MAX_LEVEL;
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unsigned analyzed:2;
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bool redundant:1;
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bool binary:1;
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unsigned reason;
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};
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#define ASSIGNED(LIT) \
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(assert (VALID_INTERNAL_LITERAL (LIT)), \
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solver->assigned + IDX (LIT))
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#define LEVEL(LIT) \
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(ASSIGNED(LIT)->level)
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#define REASON(LIT) \
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(ASSIGNED(LIT)->reason)
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#ifndef INLINE_ASSIGN
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struct kissat;
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struct clause;
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void kissat_assign_unit (struct kissat *, unsigned lit);
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void kissat_assign_decision (struct kissat *, unsigned lit);
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void kissat_assign_binary (struct kissat *, bool, unsigned, unsigned);
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void kissat_assign_reference (struct kissat *, unsigned lit,
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reference, struct clause *);
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#endif
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#endif
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