X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23f826bdf98d9f1570248cb926e7b7f233ed44dd..a4301b8f14d21b7d28fc4f6a247b740d945ca6dc:/include/wx/math.h diff --git a/include/wx/math.h b/include/wx/math.h index e99b37a6d6..5240f1759e 100644 --- a/include/wx/math.h +++ b/include/wx/math.h @@ -22,9 +22,9 @@ #define M_PI 3.1415926535897932384626433832795 #endif -/* Scaling factors for various unit conversions */ +/* Scaling factors for various unit conversions: 1 inch = 2.54 cm */ #ifndef METRIC_CONVERSION_CONSTANT - #define METRIC_CONVERSION_CONSTANT 0.0393700787 + #define METRIC_CONVERSION_CONSTANT (1/25.4) #endif #ifndef mm2inches @@ -57,9 +57,18 @@ #if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__) #include #define wxFinite(x) _finite(x) -#elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \ +#elif defined(__MINGW64__) || defined(__clang__) + /* + add more compilers with C99 support here: using C99 isfinite() is + preferable to using BSD-ish finite() + */ + #define wxFinite(x) isfinite(x) +#elif ( defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \ defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \ - defined(__HPUX__)||defined(__MWERKS__) + defined(__HPUX__) ) && ( !defined(wxOSX_USE_IPHONE) || wxOSX_USE_IPHONE == 0 ) +#ifdef __SOLARIS__ +#include +#endif #define wxFinite(x) finite(x) #else #define wxFinite(x) ((x) == (x)) @@ -70,7 +79,7 @@ #define wxIsNaN(x) _isnan(x) #elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \ defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \ - defined(__HPUX__)||defined(__MWERKS__) + defined(__HPUX__) #define wxIsNaN(x) isnan(x) #else #define wxIsNaN(x) ((x) != (x)) @@ -86,7 +95,7 @@ // shouldn't be used with doubles, but we get too many of them and // removing these operators is probably not a good idea // - // Maybe we should alway compare doubles up to some "epsilon" precision + // Maybe we should always compare doubles up to some "epsilon" precision #pragma warning(push) // floating-point equality and inequality comparisons are unreliable @@ -98,20 +107,20 @@ } #else /* !__INTELC__ */ - + wxGCC_WARNING_SUPPRESS(float-equal) inline bool wxIsSameDouble(double x, double y) { return x == y; } + wxGCC_WARNING_RESTORE(float-equal) #endif /* __INTELC__/!__INTELC__ */ inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); } - #ifdef __VMS - //Missing definition in OpenVMS C++ header files. - double round(double __x); - #endif inline int wxRound(double x) { - #ifdef __VMS + wxASSERT_MSG( x > INT_MIN - 0.5 && x < INT_MAX + 0.5, + wxT("argument out of supported range") ); + + #if defined(HAVE_ROUND) return int(round(x)); #else return (int)(x < 0 ? x - 0.5 : x + 0.5); @@ -120,12 +129,10 @@ #endif /* __cplusplus */ -#if defined(__WXMSW__) && !defined(__WXWINCE__) +#if defined(__WINDOWS__) && !defined(__WXWINCE__) #define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c ) -#elif defined( __WXMAC__ ) - #define wxMulDivInt32( a , b , c ) ( (wxInt32) ( ( (wxInt64)(a) * (wxInt64)(b) ) / (wxInt64)(c) ) ) #else - #define wxMulDivInt32( a , b , c ) ((wxInt32)((a)*(((wxDouble)b)/((wxDouble)c)))) + #define wxMulDivInt32( a , b , c ) (wxRound((a)*(((wxDouble)b)/((wxDouble)c)))) #endif #if wxUSE_APPLE_IEEE @@ -133,8 +140,15 @@ extern "C" { #endif /* functions from common/extended.c */ - extern wxFloat64 ConvertFromIeeeExtended(const wxInt8 *bytes); - extern void ConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes); + WXDLLIMPEXP_BASE wxFloat64 wxConvertFromIeeeExtended(const wxInt8 *bytes); + WXDLLIMPEXP_BASE void wxConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes); + + /* use wxConvertFromIeeeExtended() and wxConvertToIeeeExtended() instead */ +#if WXWIN_COMPATIBILITY_2_8 + wxDEPRECATED( WXDLLIMPEXP_BASE wxFloat64 ConvertFromIeeeExtended(const wxInt8 *bytes) ); + wxDEPRECATED( WXDLLIMPEXP_BASE void ConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes) ); +#endif + #ifdef __cplusplus } #endif