sqrt(3)sqrt(3)NAME
sqrt, cbrt - Square and cube root functions
SYNOPSIS
#include <math.h>
double sqrt(
double x ); float sqrtf(
float x ); long double sqrtl(
long double x ); double cbrt(
double y ); float cbrtf(
float y ); long double cbrtl(
long double y );
LIBRARY
Math Library (libm)
DESCRIPTIONsqrt(), sqrtf(), and sqrtl() compute the rounded square root of x. For
platforms supporting a signed zero, sqrt (-0) = 0.
cbrt(), cbrtf(), and cbrtl() return the rounded cube root of y.
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Function Exceptional Argu‐ Routine Behavior
ment
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sqrt(), sqrtf(), sqrtl() x < 0 invalid argument
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sqrt(3)