Guardian Native C Library Calls Reference Manual (G06.28+, H06.05+)

fp_class(3) Guardian Native C Library Calls Reference Manual
RELATED INFORMATION
Functions: isnan(3).
STANDARDS CONFORMANCE
This function is an HP extension to the XPG4 Version 2 specification and provides features of the
IEEE Std 754-1985 that are implementation-de
fined.
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