replaced C++ comments with C ones

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

diff --git a/src/common/longlong.cpp b/src/common/longlong.cpp
index 6a0cc8e315a4c91eddd175f102fe634fb649dfa3..ba47b870f989fdabf4a8620f871acba5031daa3e 100644 (file)
--- a/src/common/longlong.cpp
+++ b/src/common/longlong.cpp
@@ -57,27 +57,6 @@ void *wxLongLongNative::asArray() const
     return temp;
 }
 
-#if wxUSE_STD_IOSTREAM
-
-// input/output
-ostream& operator<< (ostream& o, const wxLongLongNative& ll)
-{
-    char result[65];
-
-    memset(result, 'A', 64);
-
-    result[64] = '\0';
-
-    for (int i = 0; i < 64; i++)
-    {
-        result[63 - i] = '0' + (char) ((ll.m_ll >> i) & 1);
-    }
-
-    return o << result;
-}
-
-#endif // wxUSE_STD_IOSTREAM
-
 #endif // wxUSE_LONGLONG_NATIVE
 
 // ============================================================================
@@ -91,34 +70,26 @@ wxLongLongWx& wxLongLongWx::Assign(double d)
 {
     bool positive = d >= 0;
     d = fabs(d);
-    if ( d <= LONG_MAX )
+    if ( d <= ULONG_MAX )
     {
         m_hi = 0;
         m_lo = (long)d;
     }
     else
     {
-#if 0
-        m_lo = (long)d;
-        d -= m_lo;
-        d /=  0x1000;
-        d /=  0x1000;
-        d /=  0x100;
-        m_hi = (long)d;
-#else
-        wxFAIL_MSG(_T("TODO"));
-#endif
+        m_hi = (unsigned long)(d / (1.0 + (double)ULONG_MAX));
+        m_lo = (unsigned long)(d - ((double)m_hi * (1.0 + (double)ULONG_MAX)));
     }
 
-    if ( !positive )
-        m_hi = -m_hi;
-
 #ifdef wxLONGLONG_TEST_MODE
     m_ll = (wxLongLong_t)d;
 
     Check();
 #endif // wxLONGLONG_TEST_MODE
 
+    if ( !positive )
+        Negate();
+
     return *this;
 }
 
@@ -486,7 +457,7 @@ void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
     //     Use of this program, for any purpose, is granted the author, Ian
     //     Kaplan, as long as this copyright notice is included in the source
     //     code or any source code derived from this program. The user assumes
-    //     all responsibility for using this code. 
+    //     all responsibility for using this code.
 
     // init everything
     wxLongLongWx dividend = *this,
@@ -599,7 +570,9 @@ wxLongLongWx& wxLongLongWx::operator/=(const wxLongLongWx& ll)
 
     Divide(ll, quotient, remainder);
 
-    return *this = quotient;
+    *this = quotient;
+
+    return *this;
 }
 
 wxLongLongWx wxLongLongWx::operator%(const wxLongLongWx& ll) const
@@ -632,27 +605,53 @@ void *wxLongLongWx::asArray(void) const
     return temp;
 }
 
-#if wxUSE_STD_IOSTREAM
+#endif // wxUSE_LONGLONG_WX
 
-// input/output
-ostream& operator<< (ostream& o, const wxLongLongWx& ll)
+wxString
+#if wxUSE_LONGLONG_NATIVE
+wxLongLongNative::ToString() const
+#else
+wxLongLongWx::ToString() const
+#endif
 {
-    char result[65];
+    // TODO: this is awfully inefficient, anything better?
+    wxString result;
 
-    memset(result, 'A', 64);
+    wxLongLong ll = *this;
 
-    result[64] = '\0';
+    bool neg;
+    if ( ll < 0 )
+    {
+        ll.Negate();
+        neg = TRUE;
+    }
+    else
+    {
+        neg = FALSE;
+    }
 
-    for (int i = 0; i < 32; i++)
+    while ( ll != 0 )
     {
-        result[31 - i] = (char) ('0' + (int) ((ll.m_hi >> i) & 1));
-        result[63 - i] = (char) ('0' + (int) ((ll.m_lo >> i) & 1));
+        result.Prepend((wxChar)(_T('0') + (ll % 10).ToLong()));
+        ll /= 10;
     }
 
-    return o << result;
+    if ( result.empty() )
+        result = _T('0');
+    else if ( neg )
+        result.Prepend(_T('-'));
+
+    return result;
 }
-#endif // wxUSE_STD_IOSTREAM
 
-#endif // wxUSE_LONGLONG_NATIVE
+#if wxUSE_STD_IOSTREAM
+
+// input/output
+wxSTD ostream& operator<< (wxSTD ostream& o, const wxLongLong& ll)
+{
+    return o << ll.ToString();
+}
+
+#endif // wxUSE_STD_IOSTREAM
 
 #endif // wxUSE_LONGLONG