16 lines
624 B
C++
16 lines
624 B
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include "kernel/expr.h"
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namespace lean {
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/** \brief Total order on expressions */
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bool is_lt(expr const & a, expr const & b);
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inline bool operator<(expr const & a, expr const & b) { return is_lt(a, b); }
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inline bool operator>(expr const & a, expr const & b) { return is_lt(b, a); }
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inline bool operator<=(expr const & a, expr const & b) { return !is_lt(b, a); }
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inline bool operator>=(expr const & a, expr const & b) { return !is_lt(a, b); }
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}
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