[llvm] [APFloat] Fix `IEEEFloat::addOrSubtractSignificand` and `IEEEFloat::normalize` (PR #98721)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 1 09:03:37 PDT 2024
================
@@ -7440,4 +7515,79 @@ TEST(APFloatTest, Float4E2M1FNToFloat) {
EXPECT_TRUE(SmallestDenorm.isDenormal());
EXPECT_EQ(0x0.8p0, SmallestDenorm.convertToFloat());
}
+
+TEST(APFloatTest, AddOrSubtractSignificand) {
+ class TestIEEEFloat : detail::IEEEFloat {
+ TestIEEEFloat(bool sign, ExponentType exponent, integerPart significand)
+ : detail::IEEEFloat(1.0) {
+ // `addOrSubtractSignificand` only uses the sign, exponent and significand
+ this->sign = sign;
+ this->exponent = exponent;
+ this->significand.part = significand;
----------------
arsenm wrote:
What's the problem with adding public accessors for these? Or adding a test class as a friend?
https://github.com/llvm/llvm-project/pull/98721
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