ref: 55332b8040ebcdc0bc05ae15de3ded7c8a2bd1bd
dir: /sys/man/2/hypot/
.TH HYPOT 2 .SH NAME hypot \- Euclidean distance .SH SYNOPSIS .B #include <u.h> .br .B #include <libc.h> .PP .nf .B double hypot(double x, double y) .fi .SH DESCRIPTION .I Hypot returns .EX sqrt(x*x + y*y) .EE taking precautions against unwarranted overflows. .SH SOURCE .B /sys/src/libc/port/hypot.c