NAME

     ceil - smallest integral value not less than x


SYNOPSIS

     #include <math.h>

     double ceil (double x);


DESCRIPTION

     The ceil() function rounds x upwards to the nearest integer,
     returning that value as a double.


CONFORMING TO

     SVID 3, POSIX, BSD 4.3, ISO 9899


SEE ALSO

     abs(3), fabs(3), floor(3),