From d7d88d969e7a97c6f543413d02c3c72921f9120e Mon Sep 17 00:00:00 2001 From: Michael Gottesman Date: Wed, 26 Jun 2013 23:55:23 +0000 Subject: [PATCH] [APFloat] Added unittest for APFloat.subtract that checks special cases, result categories, and result status. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185043 91177308-0d34-0410-b5e6-96231b3b80d8 --- unittests/ADT/APFloatTest.cpp | 303 ++++++++++++++++++++++++++++++++++ 1 file changed, 303 insertions(+) diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp index 03b377f6a44..728b088115c 100644 --- a/unittests/ADT/APFloatTest.cpp +++ b/unittests/ADT/APFloatTest.cpp @@ -1784,4 +1784,307 @@ TEST(APFloatTest, add) { } } +TEST(APFloatTest, subtract) { + // Test Special Cases against each other and normal values. + + // TODOS/NOTES: + // 1. Since we perform only default exception handling all operations with + // signaling NaNs should have a result that is a quiet NaN. Currently they + // return sNaN. + // 2. It seems that sub(-x, NaN) = -NaN but sub(NaN, -x) = NaN. This is an + // inconsistency that should be looked into. IEEE-754R specifies that the + // interpretation of the sign of NaN is unspecified. We should always have NaN + // be positive since that is one less thing for the compiler to deal with. + + APFloat PInf = APFloat::getInf(APFloat::IEEEsingle, false); + APFloat MInf = APFloat::getInf(APFloat::IEEEsingle, true); + APFloat PZero = APFloat::getZero(APFloat::IEEEsingle, false); + APFloat MZero = APFloat::getZero(APFloat::IEEEsingle, true); + APFloat QNaN = APFloat::getNaN(APFloat::IEEEsingle, false); + APFloat SNaN = APFloat::getSNaN(APFloat::IEEEsingle, false); + APFloat PNormalValue = APFloat(APFloat::IEEEsingle, "0x1p+0"); + APFloat MNormalValue = APFloat(APFloat::IEEEsingle, "-0x1p+0"); + APFloat PLargestValue = APFloat::getLargest(APFloat::IEEEsingle, false); + APFloat MLargestValue = APFloat::getLargest(APFloat::IEEEsingle, true); + APFloat PSmallestValue = APFloat::getSmallest(APFloat::IEEEsingle, false); + APFloat MSmallestValue = APFloat::getSmallest(APFloat::IEEEsingle, true); + APFloat PSmallestNormalized = + APFloat::getSmallestNormalized(APFloat::IEEEsingle, false); + APFloat MSmallestNormalized = + APFloat::getSmallestNormalized(APFloat::IEEEsingle, true); + + const int OverflowStatus = APFloat::opOverflow | APFloat::opInexact; + + const unsigned NumTests = 169; + struct { + APFloat x; + APFloat y; + const char *result; + int status; + int category; + } SpecialCaseTests[NumTests] = { + { PInf, PInf, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { PInf, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, PZero, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, MZero, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { PInf, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PInf, PNormalValue, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, MNormalValue, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, PLargestValue, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, MLargestValue, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, PSmallestValue, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, MSmallestValue, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, PSmallestNormalized, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PInf, MSmallestNormalized, "inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, MInf, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { MInf, PZero, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, MZero, "-inf", APFloat::opOK, APFloat::fcInfinity }, + // See Note 2. + { MInf, QNaN, "-nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { MInf, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { MInf, PNormalValue, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, MNormalValue, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, PLargestValue, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, MLargestValue, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, PSmallestValue, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, MSmallestValue, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, PSmallestNormalized, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MInf, MSmallestNormalized, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { PZero, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { PZero, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PZero, PZero, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { PZero, MZero, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { PZero, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { PZero, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PZero, PNormalValue, "-0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { PZero, MNormalValue, "0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { PZero, PLargestValue, "-0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { PZero, MLargestValue, "0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { PZero, PSmallestValue, "-0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { PZero, MSmallestValue, "0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { PZero, PSmallestNormalized, "-0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { PZero, MSmallestNormalized, "0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { MZero, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MZero, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { MZero, PZero, "-0x0p+0", APFloat::opOK, APFloat::fcZero }, + { MZero, MZero, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + // See Note 2. + { MZero, QNaN, "-nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { MZero, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { MZero, PNormalValue, "-0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { MZero, MNormalValue, "0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { MZero, PLargestValue, "-0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { MZero, MLargestValue, "0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { MZero, PSmallestValue, "-0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { MZero, MSmallestValue, "0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { MZero, PSmallestNormalized, "-0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { MZero, MSmallestNormalized, "0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { QNaN, PInf, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, MInf, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, PZero, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, MZero, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { QNaN, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { QNaN, PNormalValue, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, MNormalValue, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, PLargestValue, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, MLargestValue, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, PSmallestValue, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, MSmallestValue, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, PSmallestNormalized, "nan", APFloat::opOK, APFloat::fcNaN }, + { QNaN, MSmallestNormalized, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { SNaN, PInf, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, MInf, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, PZero, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, MZero, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, QNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, PNormalValue, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, MNormalValue, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, PLargestValue, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, MLargestValue, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, PSmallestValue, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, MSmallestValue, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, PSmallestNormalized, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, + { SNaN, MSmallestNormalized, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PNormalValue, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { PNormalValue, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PNormalValue, PZero, "0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { PNormalValue, MZero, "0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { PNormalValue, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { PNormalValue, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PNormalValue, PNormalValue, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { PNormalValue, MNormalValue, "0x1p+1", APFloat::opOK, APFloat::fcNormal }, + { PNormalValue, PLargestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PNormalValue, MLargestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PNormalValue, PSmallestValue, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PNormalValue, MSmallestValue, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PNormalValue, PSmallestNormalized, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PNormalValue, MSmallestNormalized, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MNormalValue, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MNormalValue, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { MNormalValue, PZero, "-0x1p+0", APFloat::opOK, APFloat::fcNormal }, + { MNormalValue, MZero, "-0x1p+0", APFloat::opOK, APFloat::fcNormal }, + // See Note 2. + { MNormalValue, QNaN, "-nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { MNormalValue, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { MNormalValue, PNormalValue, "-0x1p+1", APFloat::opOK, APFloat::fcNormal }, + { MNormalValue, MNormalValue, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { MNormalValue, PLargestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MNormalValue, MLargestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MNormalValue, PSmallestValue, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MNormalValue, MSmallestValue, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MNormalValue, PSmallestNormalized, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MNormalValue, MSmallestNormalized, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PLargestValue, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { PLargestValue, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PLargestValue, PZero, "0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { PLargestValue, MZero, "0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { PLargestValue, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { PLargestValue, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PLargestValue, PNormalValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PLargestValue, MNormalValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PLargestValue, PLargestValue, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { PLargestValue, MLargestValue, "inf", OverflowStatus, APFloat::fcInfinity }, + { PLargestValue, PSmallestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PLargestValue, MSmallestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PLargestValue, PSmallestNormalized, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PLargestValue, MSmallestNormalized, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MLargestValue, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MLargestValue, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { MLargestValue, PZero, "-0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + { MLargestValue, MZero, "-0x1.fffffep+127", APFloat::opOK, APFloat::fcNormal }, + // See Note 2. + { MLargestValue, QNaN, "-nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { MLargestValue, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { MLargestValue, PNormalValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MLargestValue, MNormalValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MLargestValue, PLargestValue, "-inf", OverflowStatus, APFloat::fcInfinity }, + { MLargestValue, MLargestValue, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { MLargestValue, PSmallestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MLargestValue, MSmallestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MLargestValue, PSmallestNormalized, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MLargestValue, MSmallestNormalized, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestValue, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { PSmallestValue, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PSmallestValue, PZero, "0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { PSmallestValue, MZero, "0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { PSmallestValue, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { PSmallestValue, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PSmallestValue, PNormalValue, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestValue, MNormalValue, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestValue, PLargestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestValue, MLargestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestValue, PSmallestValue, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { PSmallestValue, MSmallestValue, "0x1p-148", APFloat::opOK, APFloat::fcNormal }, + { PSmallestValue, PSmallestNormalized, "-0x1.fffffcp-127", APFloat::opOK, APFloat::fcNormal }, + { PSmallestValue, MSmallestNormalized, "0x1.000002p-126", APFloat::opOK, APFloat::fcNormal }, + { MSmallestValue, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MSmallestValue, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { MSmallestValue, PZero, "-0x1p-149", APFloat::opOK, APFloat::fcNormal }, + { MSmallestValue, MZero, "-0x1p-149", APFloat::opOK, APFloat::fcNormal }, + // See Note 2. + { MSmallestValue, QNaN, "-nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { MSmallestValue, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { MSmallestValue, PNormalValue, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestValue, MNormalValue, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestValue, PLargestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestValue, MLargestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestValue, PSmallestValue, "-0x1p-148", APFloat::opOK, APFloat::fcNormal }, + { MSmallestValue, MSmallestValue, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { MSmallestValue, PSmallestNormalized, "-0x1.000002p-126", APFloat::opOK, APFloat::fcNormal }, + { MSmallestValue, MSmallestNormalized, "0x1.fffffcp-127", APFloat::opOK, APFloat::fcNormal }, + { PSmallestNormalized, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { PSmallestNormalized, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { PSmallestNormalized, PZero, "0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { PSmallestNormalized, MZero, "0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { PSmallestNormalized, QNaN, "nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { PSmallestNormalized, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { PSmallestNormalized, PNormalValue, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestNormalized, MNormalValue, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestNormalized, PLargestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestNormalized, MLargestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { PSmallestNormalized, PSmallestValue, "0x1.fffffcp-127", APFloat::opOK, APFloat::fcNormal }, + { PSmallestNormalized, MSmallestValue, "0x1.000002p-126", APFloat::opOK, APFloat::fcNormal }, + { PSmallestNormalized, PSmallestNormalized, "0x0p+0", APFloat::opOK, APFloat::fcZero }, + { PSmallestNormalized, MSmallestNormalized, "0x1p-125", APFloat::opOK, APFloat::fcNormal }, + { MSmallestNormalized, PInf, "-inf", APFloat::opOK, APFloat::fcInfinity }, + { MSmallestNormalized, MInf, "inf", APFloat::opOK, APFloat::fcInfinity }, + { MSmallestNormalized, PZero, "-0x1p-126", APFloat::opOK, APFloat::fcNormal }, + { MSmallestNormalized, MZero, "-0x1p-126", APFloat::opOK, APFloat::fcNormal }, + // See Note 2. + { MSmallestNormalized, QNaN, "-nan", APFloat::opOK, APFloat::fcNaN }, +#if 0 +// See Note 1. + { MSmallestNormalized, SNaN, "nan", APFloat::opInvalidOp, APFloat::fcNaN }, +#endif + { MSmallestNormalized, PNormalValue, "-0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestNormalized, MNormalValue, "0x1p+0", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestNormalized, PLargestValue, "-0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestNormalized, MLargestValue, "0x1.fffffep+127", APFloat::opInexact, APFloat::fcNormal }, + { MSmallestNormalized, PSmallestValue, "-0x1.000002p-126", APFloat::opOK, APFloat::fcNormal }, + { MSmallestNormalized, MSmallestValue, "-0x1.fffffcp-127", APFloat::opOK, APFloat::fcNormal }, + { MSmallestNormalized, PSmallestNormalized, "-0x1p-125", APFloat::opOK, APFloat::fcNormal }, + { MSmallestNormalized, MSmallestNormalized, "0x0p+0", APFloat::opOK, APFloat::fcZero } + }; + + for (size_t i = 0; i < NumTests; ++i) { + APFloat x(SpecialCaseTests[i].x); + APFloat y(SpecialCaseTests[i].y); + APFloat::opStatus status = x.subtract(y, APFloat::rmNearestTiesToEven); + + APFloat result(APFloat::IEEEsingle, SpecialCaseTests[i].result); + + printf("%a, %a, %a, %a\n", SpecialCaseTests[i].x.convertToFloat(), + SpecialCaseTests[i].y.convertToFloat(), + x.convertToFloat(), result.convertToFloat()); + + EXPECT_TRUE(result.bitwiseIsEqual(x)); + EXPECT_TRUE((int)status == SpecialCaseTests[i].status); + EXPECT_TRUE((int)x.getCategory() == SpecialCaseTests[i].category); + } +} + + } -- 2.34.1