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

asin(3) Guardian Native C Library Calls Reference Manual
The XPG4 Version 2 specification leaves some features to the implementing vendor to define.
The following features are affected in the HP implementation:
• When used 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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