Linux Standard Base Core Specification 4.1
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__signbitf

Name

__signbitf -- test sign of floating point value

Synopsis

#include <math.h>

int __signbitf(float arg);

Description

__signbitf() has the same specification as signbit() in POSIX 1003.1-2001 (ISO/IEC 9945-2003), except that the argument type for __signbitf() is known to be float.

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

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