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44 lines
800 B
C++
44 lines
800 B
C++
/*++
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Copyright (c) 2015 Microsoft Corporation
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Module Name:
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boolean_algebra.h
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Abstract:
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Boolean Algebra, a la Margus Veanes Automata library.
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Author:
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Nikolaj Bjorner (nbjorner) 2016-2-27
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Revision History:
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--*/
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#pragma once
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#include "util/util.h"
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template<class T>
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class positive_boolean_algebra {
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public:
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virtual ~positive_boolean_algebra() {}
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virtual T mk_false() = 0;
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virtual T mk_true() = 0;
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virtual T mk_and(T x, T y) = 0;
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virtual T mk_or(T x, T y) = 0;
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virtual T mk_and(unsigned sz, T const* ts) = 0;
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virtual T mk_or(unsigned sz, T const* ts) = 0;
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virtual lbool is_sat(T x) = 0;
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};
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template<class T>
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class boolean_algebra : public positive_boolean_algebra<T> {
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public:
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~boolean_algebra() override {}
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virtual T mk_not(T x) = 0;
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};
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