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purify

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-08-27 11:57:13 -07:00
parent b8a81bcb09
commit 3bfc3437f1
8 changed files with 44 additions and 101 deletions
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7
src/ast/rewriter/arith_rewriter.cpp
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@ -680,8 +680,7 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
if (m_util.is_numeral(arg2, v2, is_int)) {
SASSERT(!is_int);
if (v2.is_zero()) {
result = m_util.mk_div0(arg1);
return BR_REWRITE1;
return BR_FAILED;
}
else if (m_util.is_numeral(arg1, v1, is_int)) {
result = m_util.mk_numeral(v1/v2, false);
@ -734,10 +733,6 @@ 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()) {
result = m_util.mk_idiv0(arg1);
return BR_REWRITE1;
}
return BR_FAILED;
}