__finitel

Name

__finitel -- test for infinity

Synopsis

#include <math.h>

int __finitel(long double arg);

Description

__finitel() has the same specification as isfinite() in the POSIX 1003.1-2008 (ISO/IEC 9945-2009), except that the argument type for __finitel() is known to be long double.

__finitel() is not in the source standard; it is only in the binary standard.