MRIsNaN.h

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#pragma once
 
#include "MRBitCast.h"
#include <limits>
 
namespace MR
{
 
 
constexpr float cQuietNan = std::numeric_limits<float>::quiet_NaN();
constexpr int cQuietNanBits = bit_cast<int>( cQuietNan );

inline bool isNanFast( float f )
{
    return bit_cast<int>( f ) == cQuietNanBits;
}
 
}