1*48920Scael.\" Copyright (c) 1991 The Regents of the University of California. 2*48920Scael.\" All rights reserved. 3*48920Scael.\" 4*48920Scael.\" %sccs.include.redist.man% 5*48920Scael.\" 6*48920Scael.\" @(#)ceil.3 5.1 (Berkeley) 05/02/91 7*48920Scael.\" 8*48920Scael.Dd 9*48920Scael.Dt CEIL 3 10*48920Scael.Os 11*48920Scael.Sh NAME 12*48920Scael.Nm ceil 13*48920Scael.Nd smallest integral value not greater than x 14*48920Scael.Sh SYNOPSIS 15*48920Scael.Fd #include <math.h> 16*48920Scael.Ft double 17*48920Scael.Fn ceil "double x" 18*48920Scael.Sh DESCRIPTION 19*48920ScaelThe 20*48920Scael.Fn ceil 21*48920Scaelfunction computes the smallest integral value not less than 22*48920Scael.Fa x . 23*48920Scael.Sh RETURN VALUES 24*48920ScaelThe 25*48920Scael.Fn ceil 26*48920Scaelfunction returns the smallest integral value 27*48920Scaelexpressed as a double. 28*48920Scael.Sh SEE ALSO 29*48920Scael.Xr abs 3 , 30*48920Scael.Xr fabs 3 , 31*48920Scael.Xr floor 3 , 32*48920Scael.Xr rint 3 , 33*48920Scael.Xr ieee 3 , 34*48920Scael.Xr math.3 35*48920Scael.Sh STANDARDS 36*48920ScaelThe 37*48920Scael.Fn ceil 38*48920Scaelfunction conforms to 39*48920Scael.St -ansiC . 40