SQRT(3) BSD Programmer's Manual SQRT(3)
cbrt, cbrtf, sqrt, sqrtf - cube root and square root functions
#include <math.h> double cbrt(double x); float cbrtf(float x); double sqrt(double x); float sqrtf(float x);
The cbrt() and cbrtf() functions compute the cube root of x. The sqrt() and sqrtf() functions compute the non-negative square root of x.
If x is negative, sqrt(x) and sqrtf(x) set the global variable errno to EDOM.
The sqrt() function conforms to ANSI X3.159-1989 ("ANSI C").
The cbrt() function appeared in 4.3BSD. MirOS BSD #10-current May 6, 1991 1
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