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Bugfixes for fp.to_* operators

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This commit is contained in:
Christoph M. Wintersteiger 2017-09-15 19:56:15 +01:00
parent 4267f304a4
commit 05447d612a
4 changed files with 35 additions and 16 deletions
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4
src/ast/rewriter/fpa_rewriter.cpp
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@ -854,13 +854,11 @@ br_status fpa_rewriter::mk_to_real(expr * arg, expr_ref & result) {
scoped_mpf v(m_fm);
if (m_util.is_numeral(arg, v)) {
if (!m_fm.is_nan(v) && !m_fm.is_inf(v)) {
if (m_fm.is_nan(v) || m_fm.is_inf(v)) {
if (m_hi_fp_unspecified) {
result = m_util.arith_util().mk_numeral(rational(0), false);
return BR_DONE;
}
else
return BR_FAILED;
}
else {
scoped_mpq r(m_fm.mpq_manager());