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special treatment for VC++

This commit is contained in:
Andreas Fabri 2006-06-27 21:12:06 +00:00
parent 9a1bd6b513
commit cf006d34e0
1 changed files with 18 additions and 2 deletions
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20
Number_types/include/CGAL/double.h
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@ -27,6 +27,12 @@
#include <CGAL/basic.h>
#include <utility>
#include <cmath>
#include <limits>
#ifdef _MSC_VER
#include <float.h>
#endif
#ifdef CGAL_CFG_IEEE_754_BUG
# include <CGAL/IEEE_754_unions.h>
#endif
@ -145,10 +151,19 @@ is_valid( const double& dble)
#else
#ifdef _MSC_VER
inline
bool
is_valid(double d)
{ return ! _isnan(d); }
#else
inline
bool
is_valid(double d)
{ return (d == d); }
#endif
#ifdef CGAL_CFG_NUMERIC_LIMITS_BUG
@ -162,8 +177,9 @@ is_finite(double d)
inline
bool
is_finite(double d)
{ return d != std::numeric_limits<double>::infinity())
&& (-d != std::numeric_limits<double>::infinity()); }
{ return (d != std::numeric_limits<double>::infinity())
&& (-d != std::numeric_limits<double>::infinity())
&& is_valid(d); }
#endif