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fix bug: & -> &&

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-24 16:09:12 -07:00
parent b30b8008b2
commit 709a5d9524
3 changed files with 4 additions and 2 deletions

2
src/ast/rewriter/arith_rewriter.cpp
View file

@ -695,7 +695,7 @@ br_status arith_rewriter::mk_idiv_core(expr * arg1, expr * arg2, expr_ref & resu
result = m_util.mk_numeral(div(v1, v2), is_int);
return BR_DONE;
}
if (m_util.is_numeral(arg2, v2, is_int) & v2.is_zero()) {
if (m_util.is_numeral(arg2, v2, is_int) && v2.is_zero()) {
result = m_util.mk_idiv0(arg1);
return BR_REWRITE1;
}

3
src/ast/simplifier/arith_simplifier_plugin.cpp
View file

@ -406,8 +406,9 @@ bool arith_simplifier_plugin::reduce(func_decl * f, unsigned num_args, expr * co
case OP_POWER: return false;
case OP_ABS: SASSERT(num_args == 1); mk_abs(args[0], result); break;
case OP_IRRATIONAL_ALGEBRAIC_NUM: return false;
case OP_DIV_0: return false;
case OP_IDIV_0: return false;
default:
UNREACHABLE();
return false;
}
TRACE("arith_simplifier_plugin", tout << mk_pp(result.get(), m_manager) << "\n";);

1
src/ast/simplifier/simplifier.cpp
View file

@ -473,6 +473,7 @@ void simplifier::mk_app(func_decl * decl, unsigned num_args, expr * const * args
//dump_rewrite_lemma(decl, num_args, args, result.get());
return;
}
result = m.mk_app(decl, num_args, args);
}