X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4cc4bfafe5a31cb96f35b3ec9b19fa2b0b3a4eef..3201a1046ba71ba8e5ef2ed694fde34d12f743f3:/interface/math.h

diff --git a/interface/math.h b/interface/math.h
index 8e9d46ac17..e60620eaa5 100644
--- a/interface/math.h
+++ b/interface/math.h
@@ -1,15 +1,28 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        math.h
-// Purpose:     documentation for global functions
+// Purpose:     interface of global functions
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+/** @ingroup group_funcmacro_math */
+//@{
+
 /**
-Returns a non-zero value if @a x is neither infinite nor NaN (not a number),
-returns 0 otherwise.
+    Returns a non-zero value if @a x is neither infinite nor NaN (not a
+    number), returns 0 otherwise.
+
+    @header{wx/math.h}
 */
 int wxFinite(double x);
 
+/**
+    Returns a non-zero value if x is NaN (not a number), returns 0 otherwise.
+
+    @header{wx/math.h}
+*/
+bool wxIsNaN(double x);
+
+//@}