[llvm] r183028 - [APFloat] Added a unittest for APFloat::getZero.

[Benjamin Kramer]

On 01.06.2013, at 23:37, Rafael Espíndola <rafael.espindola at gmail.com> wrote:

> looks like an arm buildbot is not happy with this:
> 
> http://lab.llvm.org:8011/builders/llvm-armv5-linux/builds/352/steps/compile/logs/stdio
> 
> Xerxes, what is the host compiler. It looks like it thinks "long long"
> is the same thing as "long" :-(

r183081 adds a workaround, the bot is back to green.

- Ben

> 
> On 31 May 2013 14:43, Michael Gottesman <mgottesman at apple.com> wrote:
>> Author: mgottesman
>> Date: Fri May 31 13:43:34 2013
>> New Revision: 183028
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=183028&view=rev
>> Log:
>> [APFloat] Added a unittest for APFloat::getZero.
>> 
>> Modified:
>>    llvm/trunk/unittests/ADT/APFloatTest.cpp
>> 
>> Modified: llvm/trunk/unittests/ADT/APFloatTest.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ADT/APFloatTest.cpp?rev=183028&r1=183027&r2=183028&view=diff
>> ==============================================================================
>> --- llvm/trunk/unittests/ADT/APFloatTest.cpp (original)
>> +++ llvm/trunk/unittests/ADT/APFloatTest.cpp Fri May 31 13:43:34 2013
>> @@ -1274,6 +1274,43 @@ TEST(APFloatTest, getSmallestNormalized)
>>   EXPECT_TRUE(test.bitwiseIsEqual(expected));
>> }
>> 
>> +TEST(APFloatTest, getZero) {
>> +  struct {
>> +    const fltSemantics *semantics;
>> +    const bool sign;
>> +    const unsigned long long bitPattern[2];
>> +    const unsigned bitPatternLength;
>> +  } GetZeroTest[] = {
>> +    { &APFloat::IEEEhalf, false, {0, 0}, 1},
>> +    { &APFloat::IEEEhalf, true, {0x8000, 0}, 1},
>> +    { &APFloat::IEEEsingle, false, {0, 0}, 1},
>> +    { &APFloat::IEEEsingle, true, {0x80000000, 0}, 1},
>> +    { &APFloat::IEEEdouble, false, {0, 0}, 1},
>> +    { &APFloat::IEEEdouble, true, {0x8000000000000000, 0}, 1},
>> +    { &APFloat::IEEEquad, false, {0, 0}, 2},
>> +    { &APFloat::IEEEquad, true, {0, 0x8000000000000000}, 2},
>> +    { &APFloat::PPCDoubleDouble, false, {0, 0}, 2},
>> +    { &APFloat::PPCDoubleDouble, true, {0x8000000000000000, 0}, 2},
>> +    { &APFloat::x87DoubleExtended, false, {0, 0}, 2},
>> +    { &APFloat::x87DoubleExtended, true, {0, 0x8000}, 2},
>> +  };
>> +  const unsigned NumGetZeroTests = 12;
>> +  for (unsigned i = 0; i < NumGetZeroTests; ++i) {
>> +    APFloat test = APFloat::getZero(*GetZeroTest[i].semantics,
>> +                                   GetZeroTest[i].sign);
>> +    const char *pattern = GetZeroTest[i].sign? "-0x0p+0" : "0x0p+0";
>> +    APFloat expected = APFloat(*GetZeroTest[i].semantics,
>> +                              pattern);
>> +    EXPECT_TRUE(test.isZero());
>> +    EXPECT_TRUE(GetZeroTest[i].sign? test.isNegative() : !test.isNegative());
>> +    EXPECT_TRUE(test.bitwiseIsEqual(expected));
>> +    for (unsigned j = 0, je = GetZeroTest[i].bitPatternLength; j < je; ++j) {
>> +      EXPECT_EQ(GetZeroTest[i].bitPattern[j],
>> +               test.bitcastToAPInt().getRawData()[j]);
>> +    }
>> +  }
>> +}
>> +
>> TEST(APFloatTest, convert) {
>>   bool losesInfo;
>>   APFloat test(APFloat::IEEEdouble, "1.0");
>> 
>> 
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