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[wxWidgets.git] / src / common / longlong.cpp

diff --git a/src/common/longlong.cpp b/src/common/longlong.cpp
index e951865bffa0ab6edeaf6e97370ec7d5bff81576..e57392b788825ec66dcbb7775fbac780b99ae7c6 100644 (file)
--- a/src/common/longlong.cpp
+++ b/src/common/longlong.cpp
@@ -6,7 +6,6 @@
 //              not documented and is for private use only.
 // Modified by:
 // Created:     10.02.99
-// RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -133,6 +132,22 @@ wxULongLongNative& wxULongLongNative::operator=(const class wxULongLongWx &ll)
 }
 #endif
 
+#ifdef __VISUALC6__
+double wxULongLongNative::ToDouble() const
+{
+    // Work around the problem of casting unsigned __int64 to double in VC6
+    // (which for unknown reasons only manifests itself in DLL builds, i.e.
+    // when using /MD).
+    static const __int64 int64_t_max = 9223372036854775807i64;
+    if ( m_ll <= int64_t_max )
+        return wx_truncate_cast(double, (wxLongLong_t)m_ll);
+
+    double d = wx_truncate_cast(double, int64_t_max);
+    d += (__int64)(m_ll - int64_t_max - 1); // The cast is safe because of -1
+    return d + 1;
+}
+#endif // __VISUALC6__
+
 #endif // wxUSE_LONGLONG_NATIVE
 
 // ============================================================================
@@ -1172,7 +1187,7 @@ void *wxULongLongWx::asArray(void) const
             while ( ll != 0 )                                        \
             {                                                        \
                 long digit = (ll % 10).ToLong();                     \
-                result.Prepend((wxChar)(_T('0') - digit));           \
+                result.Prepend((wxChar)(wxT('0') - digit));          \
                 ll /= 10;                                            \
             }                                                        \
         }                                                            \
@@ -1181,15 +1196,15 @@ void *wxULongLongWx::asArray(void) const
             while ( ll != 0 )                                        \
             {                                                        \
                 long digit = (ll % 10).ToLong();                     \
-                result.Prepend((wxChar)(_T('0') + digit));           \
+                result.Prepend((wxChar)(wxT('0') + digit));          \
                 ll /= 10;                                            \
             }                                                        \
         }                                                            \
                                                                      \
         if ( result.empty() )                                        \
-            result = _T('0');                                        \
+            result = wxT('0');                                       \
         else if ( neg )                                              \
-            result.Prepend(_T('-'));                                 \
+            result.Prepend(wxT('-'));                                \
                                                                      \
         return result;                                               \
     }
@@ -1204,12 +1219,12 @@ void *wxULongLongWx::asArray(void) const
                                                                      \
         while ( ll != 0 )                                            \
         {                                                            \
-            result.Prepend((wxChar)(_T('0') + (ll % 10).ToULong())); \
+            result.Prepend((wxChar)(wxT('0') + (ll % 10).ToULong())); \
             ll /= 10;                                                \
         }                                                            \
                                                                      \
         if ( result.empty() )                                        \
-            result = _T('0');                                        \
+            result = wxT('0');                                       \
                                                                      \
         return result;                                               \
     }
@@ -1263,7 +1278,7 @@ WXDLLIMPEXP_BASE wxTextOutputStream& operator<< (wxTextOutputStream& o, const wx
     return o << ll.ToString();
 }
 
-#define READ_STRING_CHAR(s, idx, len) ((wxChar) ((idx!=len) ? s[idx++] : 0))
+#define READ_STRING_CHAR(s, idx, len) ((idx!=len) ? (wxChar)s[idx++] : wxT('\0'))
 
 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &o, wxULongLong &ll)
 {