#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
#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
#include <float.h>
#define wxFinite(x) _finite(x)
-#elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \
+#elif defined(__MINGW64__)
+ /*
+ 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(__MWERKS__) ) && ( !defined(wxOSX_USE_IPHONE) || wxOSX_USE_IPHONE == 0 )
+#ifdef __SOLARIS__
+#include <ieeefp.h>
+#endif
#define wxFinite(x) finite(x)
#else
#define wxFinite(x) ((x) == (x))
// 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
inline int wxRound(double x)
{
+ 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
#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
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