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Command: cbrt | Section: 3 | Source: Digital UNIX | File: cbrt.3.gz
sqrt(3) Library Functions Manual sqrt(3)
NAME
sqrt, cbrt - Square and cube root functions
LIBRARY
Math Library (libm.a)
SYNOPSIS
#include <math.h>
double sqrt (double x); float sqrtf (float x); double cbrt (dou-
ble y); float cbrtf (float y);
DESCRIPTION
sqrt() and sqrtf() compute the rounded square root of x. For platforms
supporting a signed zero, sqrt (-0) = 0.
cbrt() and cbrtf() return the rounded cube root of y.
tab(@); lfHB lfHB lfHB l l lw(2.0i). _
Function@Exceptional Argument@Routine Behavior
_
sqrt(), sqrtf()@x < 0@invalid argument
_ delim off
sqrt(3)