cbrt man page on OPENSTEP

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SQRT(3M)							      SQRT(3M)

NAME
       sqrt, cbrt - square root, cube root

SYNOPSIS
       #include <math.h>

       double sqrt(double x);

(ALSO AVAILABLE IN BSD)
       double cbrt(double x);

DESCRIPTION
       Sqrt(x) returns the square root of x.

       Cbrt(x)	returns	 the  square root of x.	 Cbrt is not neither ANSI- nor
       POSIX-compliant.

ERROR (due to roundoff, etc.)
       Sqrt on a machine that conforms to IEEE 754  is	correctly  rounded  in
       accordance with the rounding mode in force; the error is less than half
       an ulp in the default mode (round-to-nearest).  An ulp is one  Unit  in
       the Last Place carried.

       Cbrt is accurate to within 0.7 ulps.

SEE ALSO
       math(3M)

4.3 Berkeley Distribution	August 1, 1992			      SQRT(3M)
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