scalbn man page on Cygwin

scalbn man page on Cygwin

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SCALBN(3)			    NEWLIB			     SCALBN(3)

NAME
       1.50  `scalbn',	`scalbnf',  `scalbln',	`scalblnf'-scale  by  power of
       FLT_RADIX (=2)

SYNOPSIS
	    #include <math.h>
	    double scalbn(double X, int N);
	    float scalbnf(float X, int N);
	    double scalbln(double X, long int N);
	    float scalblnf(float X, long int N);

DESCRIPTION
       The `scalbn' and `scalbln' functions compute X times FLT_RADIX  to  the
       power  N.   efficiently.	  The  result  is computed by manipulating the
       exponent, rather than by actually performing an exponentiation or  mul‐
       tiplication.   In this floating-point implementation FLT_RADIX=2, which
       makes the `scalbn' functions equivalent to the `ldexp' functions.

RETURNS
       X times 2 to the power N.  A range error may occur.

PORTABILITY
       ANSI C, POSIX

       *See Also*
       `ldexp'

SEE ALSO
       scalbn 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			     SCALBN(3)

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