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Fix floats in Z3_get_numeral_*string.

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This commit is contained in:
Christoph M. Wintersteiger 2019-08-19 13:10:43 +01:00
parent 79cd1f0edc
commit f22d6e399d
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GPG key ID: BCF6360F86294467
1 changed files with 14 additions and 4 deletions

18
src/api/api_numeral.cpp
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@ -192,7 +192,6 @@ extern "C" {
return mk_c(c)->mk_external_string(r.to_string());
}
else {
// floats are separated from all others to avoid huge rationals.
fpa_util & fu = mk_c(c)->fpautil();
scoped_mpf tmp(fu.fm());
mpf_rounding_mode rm;
@ -217,7 +216,9 @@ extern "C" {
}
}
else if (mk_c(c)->fpautil().is_numeral(to_expr(a), tmp)) {
return mk_c(c)->mk_external_string(fu.fm().to_string(tmp));
std::ostringstream buffer;
fu.fm().display_smt2(buffer, tmp, false);
return mk_c(c)->mk_external_string(buffer.str());
}
else {
SET_ERROR_CODE(Z3_INVALID_ARG, nullptr);
@ -254,6 +255,9 @@ extern "C" {
expr* e = to_expr(a);
rational r;
arith_util & u = mk_c(c)->autil();
fpa_util & fu = mk_c(c)->fpautil();
scoped_mpf ftmp(fu.fm());
mpf_rounding_mode rm;
if (u.is_numeral(e, r) && !r.is_int()) {
std::ostringstream buffer;
r.display_decimal(buffer, precision);
@ -266,8 +270,14 @@ extern "C" {
am.display_decimal(buffer, n, precision);
return mk_c(c)->mk_external_string(buffer.str());
}
bool ok = Z3_get_numeral_rational(c, a, r);
if (ok) {
else if (mk_c(c)->fpautil().is_rm_numeral(to_expr(a), rm))
return Z3_get_numeral_string(c, a);
else if (mk_c(c)->fpautil().is_numeral(to_expr(a), ftmp)) {
std::ostringstream buffer;
fu.fm().display_decimal(buffer, ftmp, 12);
return mk_c(c)->mk_external_string(buffer.str());
}
else if (Z3_get_numeral_rational(c, a, r)) {
return mk_c(c)->mk_external_string(r.to_string());
}
else {