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| author | Stephen Canon <scanon@apple.com> | 2015-11-16 21:52:48 +0000 |
|---|---|---|
| committer | Stephen Canon <scanon@apple.com> | 2015-11-16 21:52:48 +0000 |
| commit | 1bfc89baacea6f67beb0c13a8795f752577e1cc2 (patch) | |
| tree | 0aad1e04eef67fac573ddecb48218e87bf99e86b /llvm/unittests/ADT/APFloatTest.cpp | |
| parent | 927bdba29d5f0fbb6e98b204bdf0083e0dda7b62 (diff) | |
| download | bcm5719-llvm-1bfc89baacea6f67beb0c13a8795f752577e1cc2.tar.gz bcm5719-llvm-1bfc89baacea6f67beb0c13a8795f752577e1cc2.zip | |
Add isInteger() to APFloat.
Useful utility function; this wasn't too hard to do before, but also wasn't
obviously discoverable. Make it explicit. Reviewed offline by Michael
Gottesman.
llvm-svn: 253254
Diffstat (limited to 'llvm/unittests/ADT/APFloatTest.cpp')
| -rw-r--r-- | llvm/unittests/ADT/APFloatTest.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/llvm/unittests/ADT/APFloatTest.cpp b/llvm/unittests/ADT/APFloatTest.cpp index a4445f6e465..55c3f48f00d 100644 --- a/llvm/unittests/ADT/APFloatTest.cpp +++ b/llvm/unittests/ADT/APFloatTest.cpp @@ -1313,7 +1313,21 @@ TEST(APFloatTest, roundToIntegral) { P = APFloat::getInf(APFloat::IEEEdouble, true); P.roundToIntegral(APFloat::rmTowardZero); EXPECT_TRUE(std::isinf(P.convertToDouble()) && P.convertToDouble() < 0.0); - +} + +TEST(APFloatTest, isInteger) { + APFloat T(-0.0); + EXPECT_TRUE(T.isInteger()); + T = APFloat(3.14159); + EXPECT_FALSE(T.isInteger()); + T = APFloat::getNaN(APFloat::IEEEdouble); + EXPECT_FALSE(T.isInteger()); + T = APFloat::getInf(APFloat::IEEEdouble); + EXPECT_FALSE(T.isInteger()); + T = APFloat::getInf(APFloat::IEEEdouble, true); + EXPECT_FALSE(T.isInteger()); + T = APFloat::getLargest(APFloat::IEEEdouble); + EXPECT_TRUE(T.isInteger()); } TEST(APFloatTest, getLargest) { |
