naginterfaces.library.ieee.create_nan¶

naginterfaces.library.ieee.create_nan(quiet)[source]¶

create_nan creates a NaN (Not A Number).

For full information please refer to the NAG Library document for x07bb

https://support.nag.com/numeric/nl/nagdoc_30/flhtml/x07/x07bbf.html

Parameters

quietint: Determines whether a quiet or a signalling NaN is to be created. If $q u i e t = 1$ , the returned NaN is quiet, otherwise it is signalling. See reference IEEE (2008) for the distinction between the two kinds.

Returns

xfloat: The required NaN value.

Notes: create_nan sets $x$ to be a quiet or a signalling NaN (Not A Number).

References: IEEE, 2008, Standard for Floating-Point Arithmetic (IEEE Standard 754-2008), IEEE, New York.