diff options
| -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 099f6db7cb..4b51e85d63 100644 --- a/unittests/ADT/APFloatTest.cpp +++ b/unittests/ADT/APFloatTest.cpp @@ -794,6 +794,32 @@ TEST(APFloatTest, getLargest) { EXPECT_EQ(1.7976931348623158e+308, APFloat::getLargest(APFloat::IEEEdouble).convertToDouble()); } +TEST(APFloatTest, getSmallest) { + APFloat test = APFloat::getSmallest(APFloat::IEEEsingle, false); + APFloat expected = APFloat(APFloat::IEEEsingle, "0x0.000002p-126"); + EXPECT_TRUE(!test.isNegative()); + EXPECT_TRUE(test.isNormal()); + EXPECT_TRUE(test.bitwiseIsEqual(expected)); + + test = APFloat::getSmallest(APFloat::IEEEsingle, true); + expected = APFloat(APFloat::IEEEsingle, "-0x0.000002p-126"); + EXPECT_TRUE(test.isNegative()); + EXPECT_TRUE(test.isNormal()); + EXPECT_TRUE(test.bitwiseIsEqual(expected)); + + test = APFloat::getSmallest(APFloat::IEEEquad, false); + expected = APFloat(APFloat::IEEEquad, "0x0.0000000000000000000000000001p-16382"); + EXPECT_TRUE(!test.isNegative()); + EXPECT_TRUE(test.isNormal()); + EXPECT_TRUE(test.bitwiseIsEqual(expected)); + + test = APFloat::getSmallest(APFloat::IEEEquad, true); + expected = APFloat(APFloat::IEEEquad, "-0x0.0000000000000000000000000001p-16382"); + EXPECT_TRUE(test.isNegative()); + EXPECT_TRUE(test.isNormal()); + EXPECT_TRUE(test.bitwiseIsEqual(expected)); +} + TEST(APFloatTest, convert) { bool losesInfo; APFloat test(APFloat::IEEEdouble, "1.0"); |