diff options
| author | Edward Welbourne <edward.welbourne@qt.io> | 2019-03-22 16:03:59 +0100 |
|---|---|---|
| committer | Edward Welbourne <edward.welbourne@qt.io> | 2019-04-24 13:08:52 +0000 |
| commit | 934000c11afe8b03c81a8f52f3a51be6615087c6 (patch) | |
| tree | ad57b5cd54207e5222b0f4fb19975176b64683d5 /tests/auto/corelib/global | |
| parent | 2eb849ed516afc8e602dbec3da0ac12db2cdf8ec (diff) | |
Implement qFpClassify(qfloat16)
This extends support for qfloat16 sufficiently for the things testlib
needs in order to treat it as a first-class citizen. Extended tests
for qfloat to check qFpClassify() on it.
Change-Id: I906292afaf51cd9c94ba384ff5aaa855edd56da1
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'tests/auto/corelib/global')
| -rw-r--r-- | tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp b/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp index b5a77a1de6..b82751cfb5 100644 --- a/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp +++ b/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp @@ -390,12 +390,15 @@ void tst_qfloat16::limits() QVERIFY(qIsFinite(zero)); QVERIFY(!qIsInf(zero)); QVERIFY(!qIsNaN(zero)); + QCOMPARE(qFpClassify(zero), FP_ZERO); QVERIFY(qIsFinite(one)); QVERIFY(!qIsInf(one)); + QCOMPARE(qFpClassify(one), FP_NORMAL); QVERIFY(!qIsNaN(one)); QVERIFY(qIsFinite(ten)); QVERIFY(!qIsInf(ten)); QVERIFY(!qIsNaN(ten)); + QCOMPARE(qFpClassify(ten), FP_NORMAL); // digits in the mantissa, including the implicit 1 before the binary dot at its left: QVERIFY(qfloat16(1 << (Bounds::digits - 1)) + one > qfloat16(1 << (Bounds::digits - 1))); @@ -409,7 +412,9 @@ void tst_qfloat16::limits() QVERIFY(qIsInf(bit * two)); bit = powf16(two, Bounds::min_exponent - 1); QVERIFY(bit.isNormal()); + QCOMPARE(qFpClassify(bit), FP_NORMAL); QVERIFY(!(bit / two).isNormal()); + QCOMPARE(qFpClassify(bit / two), FP_SUBNORMAL); QVERIFY(bit / two > zero); // Base ten (with no matching off-by-one idiocy): @@ -424,6 +429,7 @@ void tst_qfloat16::limits() QVERIFY(high10 > zero); QVERIFY(qIsFinite(high10)); QVERIFY(!qIsFinite(high10 * ten)); + QCOMPARE(qFpClassify(high10), FP_NORMAL); // How many digits are significant ? (Casts avoid linker errors ...) QCOMPARE(int(Bounds::digits10), 3); // 9.79e-4 has enough sigificant digits: @@ -449,34 +455,46 @@ void tst_qfloat16::limits() QVERIFY(!qIsNaN(Bounds::infinity())); QVERIFY(!qIsFinite(Bounds::infinity())); // QCOMPARE(Bounds::infinity(), Bounds::infinity()); + QCOMPARE(qFpClassify(Bounds::infinity()), FP_INFINITE); + QVERIFY(Bounds::infinity() > -Bounds::infinity()); QVERIFY(Bounds::infinity() > zero); QVERIFY(qIsInf(-Bounds::infinity())); QVERIFY(!qIsNaN(-Bounds::infinity())); QVERIFY(!qIsFinite(-Bounds::infinity())); // QCOMPARE(-Bounds::infinity(), -Bounds::infinity()); + QCOMPARE(qFpClassify(-Bounds::infinity()), FP_INFINITE); + QVERIFY(-Bounds::infinity() < zero); QVERIFY(qIsNaN(Bounds::quiet_NaN())); QVERIFY(!qIsInf(Bounds::quiet_NaN())); QVERIFY(!qIsFinite(Bounds::quiet_NaN())); QVERIFY(!(Bounds::quiet_NaN() == Bounds::quiet_NaN())); // QCOMPARE(Bounds::quiet_NaN(), Bounds::quiet_NaN()); + QCOMPARE(qFpClassify(Bounds::quiet_NaN()), FP_NAN); + QVERIFY(Bounds::max() > zero); QVERIFY(qIsFinite(Bounds::max())); QVERIFY(!qIsInf(Bounds::max())); QVERIFY(!qIsNaN(Bounds::max())); QVERIFY(qIsInf(Bounds::max() * rose)); + QCOMPARE(qFpClassify(Bounds::max()), FP_NORMAL); + QVERIFY(Bounds::lowest() < zero); QVERIFY(qIsFinite(Bounds::lowest())); QVERIFY(!qIsInf(Bounds::lowest())); QVERIFY(!qIsNaN(Bounds::lowest())); QVERIFY(qIsInf(Bounds::lowest() * rose)); + QCOMPARE(qFpClassify(Bounds::lowest()), FP_NORMAL); + QVERIFY(Bounds::min() > zero); QVERIFY(Bounds::min().isNormal()); QVERIFY(!(Bounds::min() / rose).isNormal()); QVERIFY(qIsFinite(Bounds::min())); QVERIFY(!qIsInf(Bounds::min())); QVERIFY(!qIsNaN(Bounds::min())); + QCOMPARE(qFpClassify(Bounds::min()), FP_NORMAL); + QVERIFY(Bounds::denorm_min() > zero); QVERIFY(!Bounds::denorm_min().isNormal()); QVERIFY(qIsFinite(Bounds::denorm_min())); @@ -485,6 +503,7 @@ void tst_qfloat16::limits() if (overOptimised) QEXPECT_FAIL("", "Over-optimised on QEMU", Continue); QCOMPARE(Bounds::denorm_min() / rose, zero); + QCOMPARE(qFpClassify(Bounds::denorm_min()), FP_SUBNORMAL); } QTEST_APPLESS_MAIN(tst_qfloat16) |