Open System Services Library Calls Reference Manual (G06.27+, H06.04+)

jn(3) OSS 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.
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