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

hypot(3) Guardian Native C Library Calls Reference Manual
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 data, errno is not set to [EDOM] when the value of x is NaN.
• errno is not set to [ERANGE] when underflow occurs.
3−56 Hewlett-Packard Company 527192-005