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add handling of pseudo-boolean inequalities that use if-expressions over Booleans and arihmetic instead of built-in PB predicates

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-10-24 17:41:52 -07:00
parent e4d2c5867a
commit b82b53dc34
3 changed files with 125 additions and 43 deletions
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4
src/ast/arith_decl_plugin.h
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@ -264,6 +264,10 @@ public:
bool is_ge(expr const * n) const { return is_app_of(n, m_afid, OP_GE); }
bool is_lt(expr const * n) const { return is_app_of(n, m_afid, OP_LT); }
bool is_gt(expr const * n) const { return is_app_of(n, m_afid, OP_GT); }
bool is_le(func_decl const * n) const { return is_decl_of(n, m_afid, OP_LE); }
bool is_ge(func_decl const * n) const { return is_decl_of(n, m_afid, OP_GE); }
bool is_lt(func_decl const * n) const { return is_decl_of(n, m_afid, OP_LT); }
bool is_gt(func_decl const * n) const { return is_decl_of(n, m_afid, OP_GT); }
bool is_add(expr const * n) const { return is_app_of(n, m_afid, OP_ADD); }
bool is_sub(expr const * n) const { return is_app_of(n, m_afid, OP_SUB); }
bool is_uminus(expr const * n) const { return is_app_of(n, m_afid, OP_UMINUS); }