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merge useful utilities from qsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-19 12:01:44 -07:00
parent f951372f03
commit f175f864ec
32 changed files with 323 additions and 38 deletions
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42
src/ast/arith_decl_plugin.cpp
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@ -664,3 +664,45 @@ algebraic_numbers::anum const & arith_util::to_irrational_algebraic_numeral(expr
SASSERT(is_irrational_algebraic_numeral(n));
return plugin().aw().to_anum(to_app(n)->get_decl());
}
expr_ref arith_util::mk_mul_simplify(expr_ref_vector const& args) {
return mk_mul_simplify(args.size(), args.c_ptr());
}
expr_ref arith_util::mk_mul_simplify(unsigned sz, expr* const* args) {
expr_ref result(m_manager);
switch (sz) {
case 0:
result = mk_numeral(rational(1), true);
break;
case 1:
result = args[0];
break;
default:
result = mk_mul(sz, args);
break;
}
return result;
}
expr_ref arith_util::mk_add_simplify(expr_ref_vector const& args) {
return mk_add_simplify(args.size(), args.c_ptr());
}
expr_ref arith_util::mk_add_simplify(unsigned sz, expr* const* args) {
expr_ref result(m_manager);
switch (sz) {
case 0:
result = mk_numeral(rational(0), true);
break;
case 1:
result = args[0];
break;
default:
result = mk_add(sz, args);
break;
}
return result;
}