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Fix for FP UFs and conversion functions.

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This commit is contained in:
Christoph M. Wintersteiger 2015-10-08 16:04:17 +01:00
parent 883514c195
commit a951ff0769
2 changed files with 40 additions and 34 deletions
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22
src/smt/theory_fpa.cpp
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@ -331,8 +331,21 @@ namespace smt {
proof_ref pr(m);
m_rw(e, e_conv);
if (is_app(e_conv) && to_app(e_conv)->get_family_id() != get_family_id()) {
m_th_rw(e_conv, res);
if (is_app(e_conv) && to_app(e_conv)->get_family_id() != get_family_id()) {
if (!m_fpa_util.is_float(e_conv))
m_th_rw(e_conv, res);
else {
expr_ref bv(m);
bv = wrap(e_conv);
unsigned bv_sz = m_bv_util.get_bv_size(bv);
unsigned ebits = m_fpa_util.get_ebits(m.get_sort(e_conv));
unsigned sbits = m_fpa_util.get_sbits(m.get_sort(e_conv));
SASSERT(bv_sz == ebits + sbits);
m_converter.mk_fp(m_bv_util.mk_extract(bv_sz - 1, bv_sz - 1, bv),
m_bv_util.mk_extract(bv_sz - 2, sbits - 1, bv),
m_bv_util.mk_extract(sbits - 2, 0, bv),
res);
}
}
else if (m_fpa_util.is_rm(e)) {
SASSERT(is_sort_of(m.get_sort(e_conv), m_bv_util.get_family_id(), BV_SORT));
@ -464,7 +477,7 @@ namespace smt {
else if (m_fpa_util.is_float(e) || m_fpa_util.is_rm(e))
res = convert_term(e);
else if (m_arith_util.is_real(e) || m_bv_util.is_bv(e))
res = convert_conversion_term(e);
res = convert_conversion_term(e);
else
UNREACHABLE();
@ -643,13 +656,12 @@ namespace smt {
expr_ref xc(m), yc(m);
xc = convert(xe);
yc = convert(ye);
TRACE("t_fpa_detail", tout << "xc = " << mk_ismt2_pp(xc, m) << std::endl <<
"yc = " << mk_ismt2_pp(yc, m) << std::endl;);
expr_ref c(m);
if (fu.is_float(xe) && fu.is_float(ye))
m_converter.mk_eq(xc, yc, c);
else