XPath: Added check for fpclassify presence before use

git-svn-id: http://pugixml.googlecode.com/svn/trunk@488 99668b35-9821-0410-8761-19e4c4f06640
This commit is contained in:
arseny.kapoulkine 2010-05-31 17:33:55 +00:00
parent 88bdad514c
commit 1f8ba5aa60

View File

@ -286,7 +286,7 @@ namespace
{
#if defined(_MSC_VER) || defined(__BORLANDC__)
return !!_isnan(value);
#elif defined(FP_NAN)
#elif defined(fpclassify) && defined(FP_NAN)
return fpclassify(value) == FP_NAN;
#else
// fallback
@ -301,7 +301,7 @@ namespace
if (_finite(value)) return (value == 0) ? PUGIXML_TEXT("0") : 0;
if (_isnan(value)) return PUGIXML_TEXT("NaN");
return PUGIXML_TEXT("-Infinity") + (value > 0);
#elif defined(FP_NAN) && defined(FP_INFINITE) && defined(FP_ZERO)
#elif defined(fpclassify) && defined(FP_NAN) && defined(FP_INFINITE) && defined(FP_ZERO)
switch (fpclassify(value))
{
case FP_NAN: