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FPA: Added support for float-UF to BV-UF translation.

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2013-05-03 15:57:42 +01:00
parent be19c2a3a8
commit 8f60a936d2
3 changed files with 136 additions and 4 deletions
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22
src/tactic/fpa/fpa2bv_rewriter.h
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@ -143,6 +143,23 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
throw tactic_exception("NYI");
}
}
if (f->get_family_id() == null_family_id)
{
bool is_float_uf = m_conv.is_float(f->get_range());
unsigned i = 0;
while (!is_float_uf && i < num)
{
is_float_uf = m_conv.is_float(f->get_domain()[i]);
i++;
}
if (is_float_uf)
{
m_conv.mk_uninterpreted_function(f, num, args, result);
return BR_DONE;
}
}
return BR_FAILED;
}
@ -222,7 +239,10 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
for (unsigned i = m_bindings.size() - 1; i > inx; i--)
if (m_conv.is_float(m_bindings[i].get())) shift += 2;
expr_ref new_var(m());
m_conv.mk_var(t->get_idx() + shift, t->get_sort(), new_var);
if (m_conv.is_float(t->get_sort()))
m_conv.mk_var(t->get_idx() + shift, t->get_sort(), new_var);
else
new_var = m().mk_var(t->get_idx() + shift, t->get_sort());
m_mappings[inx] = new_var;
}
result = m_mappings[inx].get();