/*
Copyright 2006,2008,                                         
International Business Machines Corporation                     
All Rights Reserved.                                            

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without modification, are permitted provided that the           
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Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer. 

Redistributions in binary form must reproduce the above       
copyright notice, this list of conditions and the following   
disclaimer in the documentation and/or other materials        
provided with the distribution.                               

Neither the name of IBM Corporation nor the names of its      
contributors may be used to endorse or promote products       
derived from this software without specific prior written     
permission.                                                   

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND          
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,     
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF        
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE        
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR            
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,    
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT    
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;    
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)        
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN       
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include <math.h>
#include "headers/isnan.h"

#undef isnan
int isnan(double x)
{
  return _isnan(x);
}
