copysignl man page on OpenBSD

copysignl man page on OpenBSD

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COPYSIGN(3)		  OpenBSD Programmer's Manual		   COPYSIGN(3)

NAME
     copysign, copysignf, copysignl - copy sign

SYNOPSIS
     #include <math.h>

     double
     copysign(double x, double y);

     float
     copysignf(float x, float y);

     long double
     copysignl(long double x, long double y);

DESCRIPTION
     copysign() returns x with its sign changed to y's. The copysignf()
     function is a single precision version of copysign().  The copysignl()
     function is an extended precision version of copysign().

SEE ALSO
     math(3)

STANDARDS
     IEEE Std 754-1985

HISTORY
     The copysign, copysignf and copysignl functions appeared in 4.3BSD,
     NetBSD 1.1 and OpenBSD 4.5, respectively.

OpenBSD 4.9			 July 29, 2009			   OpenBSD 4.9

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