| Linux / Unix Command: finite |
NAME
isinf, isnan, finite - test for infinity or not-a-number (NaN)SYNOPSIS
#include <math.h> int isinf(double value); int isnan(double value); int finite(double value);
DESCRIPTION
The isinf() function returns -1 if value represents negative infinity, 1 if value represents positive infinity, and 0 otherwise.The isnan() function returns a non-zero value if value is "not-a-number" (NaN), and 0 otherwise.
The finite() function returns a non-zero value if value is neither infinite nor a "not-a-number" (NaN) value, and 0 otherwise.
CONFORMING TO
BSD 4.3
Important: Use the man command (% man) to see how a command is used on your particular computer.
