MathUtil: Remove IsNAN and IsINF

These aren't necessary, since the stdlib provides equivalents.
This commit is contained in:
Lioncash 2015-08-21 15:05:11 -04:00
parent 18d658df1f
commit caec42135d
2 changed files with 0 additions and 25 deletions

View File

@ -56,19 +56,6 @@ union IntFloat {
explicit IntFloat(float _f) : f(_f) {}
};
inline bool IsINF(double d)
{
IntDouble x(d);
return (x.i & ~DOUBLE_SIGN) == DOUBLE_EXP;
}
inline bool IsNAN(double d)
{
IntDouble x(d);
return ((x.i & DOUBLE_EXP) == DOUBLE_EXP) &&
((x.i & DOUBLE_FRAC) != DOUBLE_ZERO);
}
inline bool IsQNAN(double d)
{
IntDouble x(d);

View File

@ -20,18 +20,6 @@ TEST(MathUtil, Clamp)
EXPECT_EQ(0.0, MathUtil::Clamp(-1.0, 0.0, 2.0));
}
TEST(MathUtil, IsINF)
{
EXPECT_TRUE(MathUtil::IsINF(+std::numeric_limits<double>::infinity()));
EXPECT_TRUE(MathUtil::IsINF(-std::numeric_limits<double>::infinity()));
}
TEST(MathUtil, IsNAN)
{
EXPECT_TRUE(MathUtil::IsNAN(std::numeric_limits<double>::quiet_NaN()));
EXPECT_TRUE(MathUtil::IsNAN(std::numeric_limits<double>::signaling_NaN()));
}
TEST(MathUtil, IsQNAN)
{
EXPECT_TRUE(MathUtil::IsQNAN(std::numeric_limits<double>::quiet_NaN()));