diff options
Diffstat (limited to 'unittests/ADT/APFloatTest.cpp')
| -rw-r--r-- | unittests/ADT/APFloatTest.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp index caa288afaf..00b62feaeb 100644 --- a/unittests/ADT/APFloatTest.cpp +++ b/unittests/ADT/APFloatTest.cpp @@ -649,7 +649,7 @@ TEST(APFloatTest, exactInverse) { } TEST(APFloatTest, roundToIntegral) { - APFloat T(-0.5), S(3.14), P(0.0); + APFloat T(-0.5), S(3.14), R(APFloat::getLargest(APFloat::IEEEdouble)), P(0.0); P = T; P.roundToIntegral(APFloat::rmTowardZero); @@ -676,6 +676,19 @@ TEST(APFloatTest, roundToIntegral) { P = S; P.roundToIntegral(APFloat::rmNearestTiesToEven); EXPECT_EQ(3.0, P.convertToDouble()); + + P = R; + P.roundToIntegral(APFloat::rmTowardZero); + EXPECT_EQ(R.convertToDouble(), P.convertToDouble()); + P = R; + P.roundToIntegral(APFloat::rmTowardNegative); + EXPECT_EQ(R.convertToDouble(), P.convertToDouble()); + P = R; + P.roundToIntegral(APFloat::rmTowardPositive); + EXPECT_EQ(R.convertToDouble(), P.convertToDouble()); + P = R; + P.roundToIntegral(APFloat::rmNearestTiesToEven); + EXPECT_EQ(R.convertToDouble(), P.convertToDouble()); } TEST(APFloatTest, getLargest) { |