sqrt(3) - NetBSD Manual Pages

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SQRT(3)                   NetBSD Programmer's Manual                   SQRT(3)


NAME

     cbrt, sqrt - cube root and square root functions


LIBRARY

     Math Library (libm, -lm)


SYNOPSIS

     #include <math.h>

     double
     cbrt(double x);

     float
     cbrtf(float x);

     double
     sqrt(double x);

     float
     sqrtf(float x);


DESCRIPTION

     The cbrt() and cbrtf() functions compute the cube root of x.

     The sqrt() and sqrtf() functions compute the non-negative square root of
     x.


RETURN VALUES

     If x is negative, sqrt(x) and sqrtf(x) set the global variable errno to
     EDOM.


SEE ALSO

     math(3)


STANDARDS

     The sqrt() function conforms to ANSI X3.159-1989 (``ANSI C'').


HISTORY

     The cbrt() function appeared in 4.3BSD.

NetBSD 1.4                        May 6, 1991                                1