diff options
Diffstat (limited to 'unittests/ADT/APFloatTest.cpp')
| -rw-r--r-- | unittests/ADT/APFloatTest.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp index 7345e124cd..278983565c 100644 --- a/unittests/ADT/APFloatTest.cpp +++ b/unittests/ADT/APFloatTest.cpp @@ -794,6 +794,32 @@ TEST(APFloatTest, convert) { test.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &losesInfo); EXPECT_EQ(4294967295.0, test.convertToDouble()); EXPECT_FALSE(losesInfo); + + test = APFloat::getSNaN(APFloat::IEEEsingle); + APFloat X87SNaN = APFloat::getSNaN(APFloat::x87DoubleExtended); + test.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven, + &losesInfo); + EXPECT_TRUE(test.bitwiseIsEqual(X87SNaN)); + EXPECT_FALSE(losesInfo); + + test = APFloat::getQNaN(APFloat::IEEEsingle); + APFloat X87QNaN = APFloat::getQNaN(APFloat::x87DoubleExtended); + test.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven, + &losesInfo); + EXPECT_TRUE(test.bitwiseIsEqual(X87QNaN)); + EXPECT_FALSE(losesInfo); + + test = APFloat::getSNaN(APFloat::x87DoubleExtended); + test.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven, + &losesInfo); + EXPECT_TRUE(test.bitwiseIsEqual(X87SNaN)); + EXPECT_FALSE(losesInfo); + + test = APFloat::getQNaN(APFloat::x87DoubleExtended); + test.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven, + &losesInfo); + EXPECT_TRUE(test.bitwiseIsEqual(X87QNaN)); + EXPECT_FALSE(losesInfo); } TEST(APFloatTest, PPCDoubleDouble) { |