.TH HYPOT 2
.SH NAME
hypot \- Euclidean distance
.SH SYNOPSIS
.nf
.B
double hypot(double x, double y)
.fi
.SH DESCRIPTION
.I Hypot
returns
.IP
.EX
	sqrt(x*x + y*y)
.PP
taking precautions against unwarranted overflows.