The routine may be called by the names x07bbf or nagf_ieee_create_nan.
x07bbf 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.
2: – Real (Kind=nag_wp)Output
On exit: the required NaN value.
6Error Indicators and Warnings
8Parallelism and Performance
Background information to multithreading can be found in the Multithreading documentation.