compilation fix for Watcom (see #10576)

[wxWidgets.git] / include / wx / math.h

diff --git a/include/wx/math.h b/include/wx/math.h
index b398fcc24313e2847e665bff46a2495ade0bdcd3..19518085f17205b549f7e405232c4c25fdfb09b1 100644 (file)
--- a/include/wx/math.h
+++ b/include/wx/math.h
@@ -24,7 +24,7 @@
 
 /* Scaling factors for various unit conversions: 1 inch = 2.54 cm */
 #ifndef METRIC_CONVERSION_CONSTANT
-    #define METRIC_CONVERSION_CONSTANT (1./254)
+    #define METRIC_CONVERSION_CONSTANT (1/25.4)
 #endif
 
 #ifndef mm2inches
@@ -57,9 +57,16 @@
 #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))
@@ -86,7 +93,7 @@
             //     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
@@ -132,13 +139,13 @@
     extern "C" {
 #endif
     /* functions from common/extended.c */
-    WXDLLEXPORT wxFloat64 wxConvertFromIeeeExtended(const wxInt8 *bytes);
-    WXDLLEXPORT void wxConvertToIeeeExtended(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( WXDLLEXPORT wxFloat64 ConvertFromIeeeExtended(const wxInt8 *bytes) );
-    wxDEPRECATED( WXDLLEXPORT void ConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes) );
+    wxDEPRECATED( WXDLLIMPEXP_BASE wxFloat64 ConvertFromIeeeExtended(const wxInt8 *bytes) );
+    wxDEPRECATED( WXDLLIMPEXP_BASE void ConvertToIeeeExtended(wxFloat64 num, wxInt8 *bytes) );
 #endif // WXWIN_COMPATIBILITY_2_8
 
 #ifdef __cplusplus