Guardian Native C Library Calls Reference Manual (G06.29+, H06.08+, J06.03+)

Guardian Native C Library Calls (n - r) rint(3)
STANDARDS CONFORMANCE
The XPG4 Version 2 specification leaves some features to the implementing vendor to define.
The following features are affected in the HP implementation:
For IEEE floating-point values, this function does not set errno to [EDOM] if the value
of x is NaN.
527192-018 Hewlett-Packard Company 5127