+++ /dev/null
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-// ----------------------------------------------------------------------------
-// C++
-
-bool isnan( float x ) { /* TODO */ };
-bool isnan( double x ) { /* TODO */ };
-bool isnan( long double x ) { /* TODO */ };