SQRT(3) 		   Linux Programmers Manual		      SQRT(3)



NAME
       sqrt, sqrtf, sqrtl - square root function

SYNOPSIS
       #include 

       double sqrt(double x);
       float sqrtf(float x);
       long double sqrtl(long double x);

       Link with -lm.

DESCRIPTION
       The  sqrt()  function  returns  the  non-negative square root of x.  It
       fails and sets errno to EDOM, if x is negative.

ERRORS
       EDOM   x is negative.

CONFORMING TO
       SVr4, 4.3BSD, C89.  The float and long double variants are C99 require
       ments.

SEE ALSO
       cbrt(3), csqrt(3), hypot(3)

COLOPHON
       This  page  is  part of release 3.05 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.



				  2002-07-27			       SQRT(3)