Guardian Native C Library Calls Reference Manual (G06.28+, H06.04+)

Guardian Native C Library Calls (a - e) exp(3)
The XPG4 specification leaves some features to the implementing vendor to define. The follow-
ing features are affected in the HP implementation:
• For IEEE floating-point data, this function does not set errno to [EDOM] if the value of
x is NaN.
527192-005 Hewlett-Packard Company 1−77