ISNAN(3M) — Series 800 Only
NAME
isnan − test for NaN function
SYNOPSIS
#include <math.h>
int isnan (x)
double x;
DESCRIPTION
Isnan returns a nonzero integer if x is NaN (not-a-number). Otherwise it returns zero.
DEPENDENCIES
Series 300
This function is not supported.
SEE ALSO
STANDARDS CONFORMANCE
isnan: XPG2, XPG3
Hewlett-Packard Company — HP-UX Release 7.0: Sept 1989