IEEEFloat::opStatus IEEEFloat::mod(const IEEEFloat &rhs) {
opStatus fs;
fs = modSpecials(rhs);
+ unsigned int origSign = sign;
while (isFiniteNonZero() && rhs.isFiniteNonZero() &&
compareAbsoluteValue(rhs) != cmpLessThan) {
fs = subtract(V, rmNearestTiesToEven);
assert(fs==opOK);
}
+ if (isZero())
+ sign = origSign; // fmod requires this
return fs;
}
EXPECT_EQ(f1.mod(f2), APFloat::opInvalidOp);
EXPECT_TRUE(f1.isNaN());
}
+ {
+ APFloat f1(APFloat::IEEEdouble(), "-4.0");
+ APFloat f2(APFloat::IEEEdouble(), "-2.0");
+ APFloat expected(APFloat::IEEEdouble(), "-0.0");
+ EXPECT_EQ(f1.mod(f2), APFloat::opOK);
+ EXPECT_TRUE(f1.bitwiseIsEqual(expected));
+ }
+ {
+ APFloat f1(APFloat::IEEEdouble(), "-4.0");
+ APFloat f2(APFloat::IEEEdouble(), "2.0");
+ APFloat expected(APFloat::IEEEdouble(), "-0.0");
+ EXPECT_EQ(f1.mod(f2), APFloat::opOK);
+ EXPECT_TRUE(f1.bitwiseIsEqual(expected));
+ }
}
TEST(APFloatTest, PPCDoubleDoubleAddSpecial) {