X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23324ae1c7938ba904770fc456d3c07764b9c5e9..de536319f16406adf967003637b2655c61f6cb09:/interface/math.h

diff --git a/interface/math.h b/interface/math.h
index db1265755e..e60620eaa5 100644
--- a/interface/math.h
+++ b/interface/math.h
@@ -1,16 +1,28 @@
 /////////////////////////////////////////////////////////////////////////////
-    // Name:        math.h
-    // Purpose:     documentation for global functions
-    // Author:      wxWidgets team
-    // RCS-ID:      $Id$
-    // Licence:     wxWindows license
-    /////////////////////////////////////////////////////////////////////////////
-    
-    /**
-    Returns a non-zero value if @e x is neither infinite nor NaN (not a number),
-    returns 0 otherwise.
+// Name:        math.h
+// 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.
+
+    @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);
+
+//@}
 
-    
\ No newline at end of file