mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-15 05:18:44 +00:00
Code Activity

MPF min/max -+0.0 special cases changed to +0.0 instead of second argument.

Browse source 
Another piece of fix #68
This commit is contained in:
Christoph M. Wintersteiger 2015-05-28 12:54:57 +01:00
parent ee79b1ca9a
commit 49a4df0de1
1 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/util/mpf.cpp
View file

@ -1229,7 +1229,11 @@ void mpf_manager::rem(mpf const & x, mpf const & y, mpf & o) {
}
void mpf_manager::maximum(mpf const & x, mpf const & y, mpf & o) {
if (is_nan(x) || (is_zero(x) && is_zero(y)))
if (is_nan(x))
set(o, y);
else if (is_zero(x) && is_zero(y) && sgn(x) != sgn(y))
mk_pzero(x.ebits, x.sbits, o);
else if (is_zero(x) && is_zero(y))
set(o, y);
else if (is_nan(y))
set(o, x);
@ -1240,7 +1244,11 @@ void mpf_manager::maximum(mpf const & x, mpf const & y, mpf & o) {
}
void mpf_manager::minimum(mpf const & x, mpf const & y, mpf & o) {
if (is_nan(x) || (is_zero(x) && is_zero(y)))
if (is_nan(x))
set(o, y);
else if (is_zero(x) && is_zero(y) && sgn(x) != sgn(y))
mk_pzero(x.ebits, x.sbits, o);
else if (is_zero(x) && is_zero(y))
set(o, y);
else if (is_nan(y))
set(o, x);