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FPA theory support for conversion functions

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Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2014-12-28 19:28:48 +00:00
parent 621be0f47f
commit 05121e25d4
5 changed files with 107 additions and 19 deletions
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22
src/smt/theory_fpa.cpp
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@ -291,7 +291,7 @@ namespace smt {
SASSERT(m_bv_util.get_bv_size(res) == 3);
ctx.internalize(res, false);
}
else {
else if (m_float_util.is_float(e)) {
SASSERT(to_app(res)->get_family_id() == get_family_id());
decl_kind k = to_app(res)->get_decl_kind();
if (k == OP_FLOAT_TO_FP) {
@ -314,6 +314,9 @@ namespace smt {
SASSERT(is_sort_of(m.get_sort(res), m_bv_util.get_family_id(), BV_SORT));
}
}
else {
/* ignore; these are the conversion functions fp.to_* */
}
TRACE("t_fpa_detail", tout << "converted term:" << std::endl;
tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
@ -339,6 +342,8 @@ namespace smt {
res = convert_atom(e);
else if (m_float_util.is_float(e) || m_float_util.is_rm(e))
res = convert_term(e);
else if (m_arith_util.is_real(e))
res = convert_term(e);
else
UNREACHABLE();
@ -508,12 +513,10 @@ namespace smt {
c = m.mk_and(m.mk_eq(x_sgn, y_sgn),
m.mk_eq(x_sig, y_sig),
m.mk_eq(x_exp, y_exp));
m.mk_eq(x_exp, y_exp));
}
else if (fu.is_rm(xe) && fu.is_rm(ye))
c = m.mk_eq(xc, yc);
else
UNREACHABLE();
c = m.mk_eq(xc, yc);
// assert_cnstr(m.mk_iff(m.mk_eq(xe, ye), c));
assert_cnstr(c);
@ -556,12 +559,10 @@ namespace smt {
c = m.mk_or(m.mk_not(m.mk_eq(x_sgn, y_sgn)),
m.mk_not(m.mk_eq(x_sig, y_sig)),
m.mk_not(m.mk_eq(x_exp, y_exp)));
m.mk_not(m.mk_eq(x_exp, y_exp)));
}
else if (m_float_util.is_rm(xe) && m_float_util.is_rm(ye))
c = m.mk_not(m.mk_eq(xc, yc));
else
UNREACHABLE();
c = m.mk_not(m.mk_eq(xc, yc));
// assert_cnstr(m.mk_iff(m.mk_not(m.mk_eq(xe, ye)), c));
assert_cnstr(c);
@ -638,6 +639,9 @@ namespace smt {
}
}
}
else {
// These are the conversion functions fp.to_* */
}
}
void theory_fpa::reset_eh() {