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added wxIsNullDouble()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35711 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2005-09-25 23:58:29 +00:00
parent ec52467188
commit 67036b2497
1 changed files with 4 additions and 0 deletions
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4
include/wx/math.h
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@@ -83,6 +83,8 @@ inline bool wxIsSameDouble(double x, double y)
// VZ: this warning, given for operators==() and !=() is not wrong, as == // VZ: this warning, given for operators==() and !=() is not wrong, as ==
// shouldn't be used with doubles, but we get too many of them and // shouldn't be used with doubles, but we get too many of them and
// removing these operators is probably not a good idea // removing these operators is probably not a good idea
//
// Maybe we should alway compare doubles up to some "epsilon" precision
#pragma warning(push) #pragma warning(push)
// floating-point equality and inequality comparisons are unreliable // floating-point equality and inequality comparisons are unreliable
@@ -95,6 +97,8 @@ inline bool wxIsSameDouble(double x, double y)
#else /* !__INTELC__ */ #else /* !__INTELC__ */
inline bool wxIsSameDouble(double x, double y) { return x == y; } inline bool wxIsSameDouble(double x, double y) { return x == y; }
#endif /* __INTELC__/!__INTELC__ */ #endif /* __INTELC__/!__INTELC__ */
inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); }
#endif /* __cplusplus */ #endif /* __cplusplus */