Linux Standard Base Core Specification for S390 4.0
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__signbitl

Name

__signbitl -- test sign of floating point value

Synopsis

#include <math.h>

int __signbitl(long double arg);

Description

__signbitl() has the same specification as signbit() in ISO POSIX (2003), except that the argument type for __signbitl() is known to be long double.

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

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