[APFloat] Fix IsInteger() for DoubleAPFloat.
Previously, we would just assert instead.
Differential Revision: https://reviews.llvm.org/D36961
llvm-svn: 311351
diff --git a/llvm/unittests/ADT/APFloatTest.cpp b/llvm/unittests/ADT/APFloatTest.cpp
index 69da089..9bd95a4 100644
--- a/llvm/unittests/ADT/APFloatTest.cpp
+++ b/llvm/unittests/ADT/APFloatTest.cpp
@@ -1349,6 +1349,24 @@
EXPECT_TRUE(T.isInteger());
}
+TEST(DoubleAPFloatTest, isInteger) {
+ APFloat F1(-0.0);
+ APFloat F2(-0.0);
+ llvm::detail::DoubleAPFloat T(APFloat::PPCDoubleDouble(), std::move(F1),
+ std::move(F2));
+ EXPECT_TRUE(T.isInteger());
+ APFloat F3(3.14159);
+ APFloat F4(-0.0);
+ llvm::detail::DoubleAPFloat T2(APFloat::PPCDoubleDouble(), std::move(F3),
+ std::move(F4));
+ EXPECT_FALSE(T2.isInteger());
+ APFloat F5(-0.0);
+ APFloat F6(3.14159);
+ llvm::detail::DoubleAPFloat T3(APFloat::PPCDoubleDouble(), std::move(F5),
+ std::move(F6));
+ EXPECT_FALSE(T3.isInteger());
+}
+
TEST(APFloatTest, getLargest) {
EXPECT_EQ(3.402823466e+38f, APFloat::getLargest(APFloat::IEEEsingle()).convertToFloat());
EXPECT_EQ(1.7976931348623158e+308, APFloat::getLargest(APFloat::IEEEdouble()).convertToDouble());