use LLONG_MIN instead of -1 (which is a valid time value corresponding to 1ms before...

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

diff --git a/include/wx/math.h b/include/wx/math.h
index bff0683c94c822be70ce3a0e85d71980695b8769..de561737dde2afa6a16e29f8f693ecadd1cf3594 100644 (file)
--- a/include/wx/math.h
+++ b/include/wx/math.h
@@ -77,28 +77,45 @@
 #endif
 
 #ifdef __cplusplus
-#ifdef __INTELC__
-inline bool wxIsSameDouble(double x, double y)
-{
-    // VZ: this warning, given for operators==() and !=() is not wrong, as ==
-    //     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
-    #pragma warning(push)
-
-    // floating-point equality and inequality comparisons are unreliable
-    #pragma warning(disable: 1572)
-
-    return x == y;
-
-    #pragma warning(pop)
-}
-#else /* !__INTELC__ */
-inline bool wxIsSameDouble(double x, double y) { return x == y; }
-#endif /* __INTELC__/!__INTELC__ */
-
-inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); }
+
+    #ifdef __INTELC__
+
+        inline bool wxIsSameDouble(double x, double y)
+        {
+            // VZ: this warning, given for operators==() and !=() is not wrong, as ==
+            //     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
+            #pragma warning(push)
+
+            // floating-point equality and inequality comparisons are unreliable
+            #pragma warning(disable: 1572)
+
+            return x == y;
+
+            #pragma warning(pop)
+        }
+
+    #else /* !__INTELC__ */
+
+        inline bool wxIsSameDouble(double x, double y) { return x == y; }
+
+    #endif /* __INTELC__/!__INTELC__ */
+
+    inline bool wxIsNullDouble(double x) { return wxIsSameDouble(x, 0.); }
+
+    #if defined(HAVE_ROUND) && !defined(HAVE_DECL_ROUND)
+        extern "C" double round(double);
+    #endif
+    inline int wxRound(double x)
+    {
+        #if defined(HAVE_ROUND)
+            return int(round(x));
+        #else
+            return (int)(x < 0 ? x - 0.5 : x + 0.5);
+        #endif
+    }
 #endif /* __cplusplus */