copysignf man page on Cygwin

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COPYSIGN(3)			    NEWLIB			   COPYSIGN(3)

NAME
       1.12 `copysign', `copysignf'--sign of Y, magnitude of X

SYNOPSIS
	    #include <math.h>
	    double copysign (double X, double Y);
	    float copysignf (float X, float Y);

DESCRIPTION
       `copysign'  constructs  a number with the magnitude (absolute value) of
       its first argument, X, and the sign of its second argument, Y.

	  `copysignf' does the same thing; the two functions  differ  only  in
       the type of their arguments and result.

RETURNS
       `copysign'  returns  a `double' with the magnitude of X and the sign of
       Y.  `copysignf' returns a `float' with the magnitude of X and the  sign
       of Y.

PORTABILITY
       `copysign'  is  not required by either ANSI C or the System V Interface
       Definition (Issue 2).

SEE ALSO
       copysign is part of the library.	 The full documentation for  is	 main‐
       tained as a Texinfo manual.  If info and are properly installed at your
       site, the command

	      info

       will give you access to the complete manual.

NEWLIB				  April 2010			   COPYSIGN(3)
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