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namespace CGLA
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namespace CGLA
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{
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{
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		inline float cgla_nan()
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		inline float cgla_nan()
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		{
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		{
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				static const float cgla_nan_value = log(1.0f);
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				static const float cgla_nan_value = log(-1.0f);
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				return cgla_nan_value;
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				return cgla_nan_value;
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		}
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		}
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  /** Procedural definition of NAN */
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  /** Procedural definition of NAN */
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#define CGLA_NAN cgla_nan()
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#define CGLA_NAN cgla_nan()
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  /// Useful enum that represents coordiante axes.
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  /// Useful enum that represents coordiante axes.
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  enum Axis {XAXIS=0,YAXIS=1,ZAXIS=2};
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  enum Axis {XAXIS=0,YAXIS=1,ZAXIS=2};
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#ifdef WIN32
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#ifdef WIN32
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	inline bool isnan(double x) { return _isnan(x);}
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  inline bool isnan(double x) { return _isnan(x);}
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#else
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#else
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	inline bool isnan(double x) { return std::isnan(x);}
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	inline bool isnan(double x) { return std::isnan(x);}
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#endif
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#endif
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  template<class Scalar>
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  template<class Scalar>