X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1ef54dcf125ad687ccfd32195fe2f449910e7d5f..b49576e07725d578c231fdd09243d9edb0eab701:/include/wx/longlong.h

diff --git a/include/wx/longlong.h b/include/wx/longlong.h
index 1e5ee03100..a3e8281d27 100644
--- a/include/wx/longlong.h
+++ b/include/wx/longlong.h
@@ -39,7 +39,9 @@
 #if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8)
     #define wxLongLong_t long
     #define wxLongLongIsLong
-#elif defined(__VISUALC__)
+#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ )
+    #define wxLongLong_t __int64
+#elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x530)
     #define wxLongLong_t __int64
 #elif defined(__GNUG__)
     #define wxLongLong_t long long
@@ -50,9 +52,16 @@
         #error "The 64 bit integer support in CodeWarrior has been disabled."
         #error "See the documentation on the 'longlong' pragma."
     #endif
-#else
-    #warning "Your compiler does not appear to support 64 bit integers, "\
-             "using emulation class instead."
+#else // no native long long type
+    // we don't give warnings for the compilers we know about that they don't
+    // have any 64 bit integer type
+    #if !defined(__VISAGECPP__) && \
+        !defined(__VISUALC__) && \
+        !defined(__BORLANDC__
+        #warning "Your compiler does not appear to support 64 bit integers, "\
+                 "using emulation class instead."
+    #endif // known compilers without long long
+
     #define wxUSE_LONGLONG_WX 1
 #endif // compiler
 
@@ -114,6 +123,12 @@ public:
     wxLongLongNative& operator=(wxLongLong_t ll)
         { m_ll = ll; return *this; }
 
+        // from double: this one has an explicit name because otherwise we
+        // would have ambiguity with "ll = int" and also because we don't want
+        // to have implicit conversions between doubles and wxLongLongs
+    wxLongLongNative& Assign(double d)
+        { m_ll = (wxLongLong_t)d; return *this; }
+
     // assignment operators from wxLongLongNative is ok
 
     // accessors
@@ -303,6 +318,8 @@ public:
         // from long
     wxLongLongWx& operator=(long l)
         { m_lo = l; m_hi = (l < 0 ? -1l : 0l); return *this; }
+        // from double
+    wxLongLongWx& Assign(double d);
         // can't have assignment operator from 2 longs
 
     // accessors
@@ -311,6 +328,18 @@ public:
         // get low part
     unsigned long GetLo() const { return m_lo; }
 
+        // get absolute value
+    wxLongLongWx& Abs() { if ( m_hi < 0 ) m_hi = -m_hi; return *this; }
+
+        // convert to long with range checking in the debug mode (only!)
+    long ToLong() const
+    {
+        wxASSERT_MSG( m_hi == 0l,
+                      _T("wxLongLong to long conversion loss of precision") );
+
+        return (long)m_lo;
+    }
+
     // operations
         // addition
     wxLongLongWx operator+(const wxLongLongWx& ll) const;
@@ -366,18 +395,24 @@ public:
     // multiplication
     wxLongLongWx operator*(const wxLongLongWx& ll) const;
     wxLongLongWx& operator*=(const wxLongLongWx& ll);
-    void *asArray(void) const;
 
     // division
+    wxLongLongWx operator/(const wxLongLongWx& ll) const;
+    wxLongLongWx& operator/=(const wxLongLongWx& ll);
+
+    wxLongLongWx operator%(const wxLongLongWx& ll) const;
+
     void Divide(const wxLongLongWx& divisor,
                 wxLongLongWx& quotient,
                 wxLongLongWx& remainder) const;
 
-#if wxUSE_STD_IOSTREAM
     // input/output
+#if wxUSE_STD_IOSTREAM
     friend ostream& operator<<(ostream&, const wxLongLongWx&);
 #endif // wxUSE_STD_IOSTREAM
 
+    void *asArray(void) const;
+
 private:
     // long is at least 32 bits, so represent our 64bit number as 2 longs