sqrtl(3) - NetBSD Manual Pages

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SQRT(3)                 NetBSD Library Functions Manual                SQRT(3)


NAME

     cbrt, cbrtf, cbrtl, sqrt, sqrtf, sqrtl -- cube root and square root func-
     tions


LIBRARY

     Math Library (libm, -lm)


SYNOPSIS

     #include <math.h>

     double
     cbrt(double x);

     float
     cbrtf(float x);

     long double
     cbrtl(long double x);

     double
     sqrt(double x);

     float
     sqrtf(float x);

     long double
     sqrtl(long double x);


DESCRIPTION

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

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


RETURN VALUES

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


SEE ALSO

     math(3)


STANDARDS

     The sqrt() function conforms to ANSI X3.159-1989 (``ANSI C89'').


HISTORY

     The cbrt() function appeared in 4.3BSD.

NetBSD 10.99                   November 19, 2013                  NetBSD 10.99