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

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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
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12
src/util/mpf.cpp
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@ -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) { 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); set(o, y);
else if (is_nan(y)) else if (is_nan(y))
set(o, x); 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) { 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); set(o, y);
else if (is_nan(y)) else if (is_nan(y))
set(o, x); set(o, x);