1.\" $OpenBSD: basic.in,v 1.2 2017/07/04 14:53:25 schwarze Exp $ 2.Dd $Mdocdate: July 4 2017 $ 3.Dt FO-BASIC 1 4.Os 5.Sh NAME 6.Nm Fo-basic 7.Nd function blocks 8.Sh SYNOPSIS 9.Ft double 10.Fo sin 11.Fa "double x" 12.Fc 13.Ft double 14.Fo atan2 15.Fa "double y" "double x" 16.Fc 17.Sh DESCRIPTION 18.Ft double 19.Fo sin 20.Fa "double x" 21.Fc 22.Ft double 23.Fo atan2 24.Fa "double y" "double x" 25.Fc 26