SQRT(3)

NAME
1.54 `sqrt', `sqrtf'--positive square root

SYNOPSIS
     #include <math.h>
     double sqrt(double X);
     float sqrtf(float X);

DESCRIPTION
`sqrt' computes the positive square root of the argument. You can modify error handling for this function with `matherr'.

RETURNS
On success, the square root is returned. If X is real and positive, then the result is positive. If X is real and negative, the global value `errno' is set to `EDOM' (domain error).

PORTABILITY
`sqrt' is ANSI C. `sqrtf' is an extension.

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

    info

will give you access to the complete manual.