Open System Services Library Calls Reference Manual (G06.29+, H06.08+, J06.03+)

OSS Library Calls (e - f) frexp(3)
RELATED INFORMATION
Functions: fp_class(3), isnan(3), ldexp(3), modf(3).
STANDARDS CONFORMANCE
This function conforms to the XPG4 Version 2 specification with extensions when used for IEEE
floating-point format data. This function conforms to the XPG4 Version 2 specification without
extensions when used for Tandem floating-point data.
The XPG4 Version 2 specification allows certain features to be defined by the implementing ven-
dor. The following features are affected in the HP implementation:
• For IEEE floating-point data, errno is not set to [EDOM] when the value of value is
NaN.
527187-017 Hewlett-Packard Company 2−167