From 7fba7cfd5d5a5d5f2bdef4ca558a8d954b06fa8e Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 24 Jun 2003 18:45:18 +0000
Subject: [PATCH] backported wxDateSpan comparison operators from trunk

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@21358 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/datetime.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index ca0c20ea0f..1aee3708ba 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -1520,6 +1520,24 @@ inline bool WXDLLEXPORT operator!=(const wxTimeSpan &t1, const wxTimeSpan &t2)
 // wxDateSpan
 // ----------------------------------------------------------------------------
 
+// comparison
+// ----------
+
+// ds1 == d2 if and only if for every wxDateTime t t + ds1 == t + ds2
+inline WXDLLEXPORT bool operator==(const wxDateSpan& ds1,
+                                   const wxDateSpan& ds2)
+{
+    return ds1.GetYears() == ds2.GetYears() &&
+           ds1.GetMonths() == ds2.GetMonths() &&
+           ds1.GetTotalDays() == ds2.GetTotalDays();
+}
+
+inline WXDLLEXPORT bool operator!=(const wxDateSpan& ds1,
+                                   const wxDateSpan& ds2)
+{
+  return !(ds1 == ds2);
+}
+
 // arithmetics
 // -----------