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    Method isnan

    isnan(Single)

    Returns true if the input float is a NaN (not a number) floating point value, false otherwise.

    Declaration
    public static bool isnan(float x)
    Parameters
    Type Name Description
    Single x

    Input value.

    Returns
    Type Description
    Boolean

    True if the value was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(float2)

    Returns a bool2 indicating for each component of a float2 whether it is a NaN (not a number) floating point value.

    Declaration
    public static bool2 isnan(float2 x)
    Parameters
    Type Name Description
    float2 x

    Input value.

    Returns
    Type Description
    bool2

    True if the component was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(float3)

    Returns a bool3 indicating for each component of a float3 whether it is a NaN (not a number) floating point value.

    Declaration
    public static bool3 isnan(float3 x)
    Parameters
    Type Name Description
    float3 x

    Input value.

    Returns
    Type Description
    bool3

    True if the component was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(float4)

    Returns a bool4 indicating for each component of a float4 whether it is a NaN (not a number) floating point value.

    Declaration
    public static bool4 isnan(float4 x)
    Parameters
    Type Name Description
    float4 x

    Input value.

    Returns
    Type Description
    bool4

    True if the component was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(Double)

    Returns true if the input double is a NaN (not a number) floating point value, false otherwise.

    Declaration
    public static bool isnan(double x)
    Parameters
    Type Name Description
    Double x

    Input value.

    Returns
    Type Description
    Boolean

    True if the value was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(double2)

    Returns a bool2 indicating for each component of a double2 whether it is a NaN (not a number) floating point value.

    Declaration
    public static bool2 isnan(double2 x)
    Parameters
    Type Name Description
    double2 x

    Input value.

    Returns
    Type Description
    bool2

    True if the component was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(double3)

    Returns a bool3 indicating for each component of a double3 whether it is a NaN (not a number) floating point value.

    Declaration
    public static bool3 isnan(double3 x)
    Parameters
    Type Name Description
    double3 x

    Input value.

    Returns
    Type Description
    bool3

    True if the component was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

    isnan(double4)

    Returns a bool4 indicating for each component of a double4 whether it is a NaN (not a number) floating point value.

    Declaration
    public static bool4 isnan(double4 x)
    Parameters
    Type Name Description
    double4 x

    Input value.

    Returns
    Type Description
    bool4

    True if the component was NaN; false otherwise.

    Remarks

    NaN has several representations and may vary across architectures. Use this function to check if you have a NaN.

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