Man Sqrt en anglais
SQRT(3)                    Linux Programmer's 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)