diff options
Diffstat (limited to 'tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp')
| -rw-r--r-- | tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp b/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp index 94f0afa5ed..a661b0388e 100644 --- a/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp +++ b/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp @@ -430,6 +430,13 @@ void tst_qfloat16::finite() QVERIFY(!qIsInf(value)); QVERIFY(!qIsNaN(value)); QCOMPARE(qFpClassify(value), mode); + + // *NOT* using QCOMPARE() on finite qfloat16 values, since that uses fuzzy + // comparison, and we need exact here. + const qfloat16 zero(0), plus(+1), minus(-1); + const qfloat16 magnitude = (value < zero) ? -value : value; + QVERIFY(value.copySign(plus) == magnitude); + QVERIFY(value.copySign(minus) == -magnitude); } void tst_qfloat16::properties() @@ -534,7 +541,9 @@ void tst_qfloat16::limits() // See also: qNaN() and infinity() QVERIFY(Bounds::denorm_min() / rose == zero); if (overOptimized) QEXPECT_FAIL("", "Over-optimized on ARM", Continue); - QVERIFY(-Bounds::denorm_min() / rose == -zero); + const qfloat16 under = (-Bounds::denorm_min()) / rose; + QVERIFY(under == -zero); + QCOMPARE(qfloat16(1).copySign(under), qfloat16(-1)); } QTEST_APPLESS_MAIN(tst_qfloat16) |