1.\" Copyright (c) 1985, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)floor.3 8.1 (Berkeley) 06/04/93 7.\" 8.Dd 9.Dt FLOOR 3 10.Os 11.Sh NAME 12.Nm floor 13.Nd largest integral value not greater than x 14.Sh SYNOPSIS 15.Fd #include <math.h> 16.Ft double 17.Fn floor "double x" 18.Sh DESCRIPTION 19The 20.Fn floor 21function computes the largest integral value not greater than 22.Fa x . 23.Sh RETURN VALUES 24The 25.Fn floor 26function returns the largest integral value 27expressed as a double. 28.Sh SEE ALSO 29.Xr abs 3 , 30.Xr ieee 3 , 31.Xr fabs 3 , 32.Xr floor 3 , 33.Xr rint 3 , 34.Xr math 3 35.Sh STANDARDS 36The 37.Fn floor 38function conforms to 39.St -ansiC . 40