DragonFly On-Line Manual Pages

CEIL(3) 	      DragonFly Library Functions Manual	       CEIL(3)

NAME

ceil, ceilf, ceill -- round to smallest integral value greater than or equal to x

SYNOPSIS

#include <math.h> double ceil(double x); float ceilf(float x); long double ceill(long double x);

DESCRIPTION

The ceil() function returns the smallest integral value greater than or equal to x. The ceilf() function is a single precision version of ceil(). The ceill() function is an extended precision version of ceil().

SEE ALSO

abs(3), fabs(3), floor(3), nextafter(3), rint(3)

STANDARDS

The ceil() function conforms to ANSI X3.159-1989 (``ANSI C89''). DragonFly 4.3 August 14, 2013 DragonFly 4.3