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add bit-vector extract shortcuts to C++ API

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Signed-off-by: nikolajbjorner <nbjorner@microsoft.com>
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nikolajbjorner 2015-02-27 11:08:49 -08:00
parent f0967c0572
commit 3ca3c948cf
2 changed files with 13 additions and 0 deletions
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src/api/c++/z3++.h
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@ -866,6 +866,9 @@ namespace z3 {
friend expr operator|(int a, expr const & b) { return b.ctx().num_val(a, b.get_sort()) | b; }
friend expr operator~(expr const & a) { Z3_ast r = Z3_mk_bvnot(a.ctx(), a); return expr(a.ctx(), r); }
expr extract(unsigned hi, unsigned lo) const { Z3_ast r = Z3_mk_extract(ctx(), hi, lo, *this); return expr(ctx(), r); }
unsigned lo() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 1)); }
unsigned hi() const { assert (is_app() && Z3_get_decl_num_parameters(ctx(), decl()) == 2); return static_cast<unsigned>(Z3_get_decl_int_parameter(ctx(), decl(), 0)); }
/**
\brief Return a simplified version of this expression.