The function may be called by the names: x07bbc, nag_ieee_create_nan or nag_create_nan.
x07bbc sets x to be a quiet or a signalling NaN (Not A Number).
IEEE (2008) Standard for Floating-Point ArithmeticIEEE Standard 754-2008 IEEE, New York.
1: – IntegerInput
On entry: determines whether a quiet or a signalling NaN is to be created. If , the returned NaN is quiet, otherwise it is signalling. See reference IEEE (2008) for the distinction between the two kinds.