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Fixed unit test failure on IBM AIX xlC by hard-coding the maxUInt64AsDouble as double constant instead of relying on double(Value::maxUInt64) which produces an incorrect value.

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This commit is contained in:
Baptiste Lepilleur 2011-05-26 17:14:26 +00:00
parent d3cd9a7fc5
commit e807a7640e
1 changed files with 5 additions and 1 deletions
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6
src/lib_json/json_value.cpp
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@ -35,6 +35,10 @@ const UInt Value::maxUInt = UInt(-1);
const Int64 Value::minInt64 = Int64( ~(UInt64(-1)/2) );
const Int64 Value::maxInt64 = Int64( UInt64(-1)/2 );
const UInt64 Value::maxUInt64 = UInt64(-1);
// The constant is hard-coded because some compiler have trouble
// converting Value::maxUInt64 to a double correctly (AIX/xlC).
// Assumes that UInt64 is a 64 bits integer.
static const double maxUInt64AsDouble = 18446744073709551615.0;
#endif // defined(JSON_HAS_INT64)
const LargestInt Value::minLargestInt = LargestInt( ~(LargestUInt(-1)/2) );
const LargestInt Value::maxLargestInt = LargestInt( LargestUInt(-1)/2 );
@ -1443,7 +1447,7 @@ Value::isUInt64() const
// double, so double(maxUInt64) will be rounded up to 2^64. Therefore we
// require the value to be strictly less than the limit.
return value_.real_ >= 0 &&
value_.real_ < double(maxUInt64) &&
value_.real_ < maxUInt64AsDouble &&
IsIntegral(value_.real_);
default:
break;