NAME

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

LIBRARY

Math Library (libm, -lm)

SYNOPSIS



double ceil(double x)

float ceilf(float x)

DESCRIPTION

The ceil() and ceilf() functions return the smallest integral value greater than or equal to x.

SEE ALSO

abs(3), fabs(3), floor(3), ieee(3), math(3), rint(3)

STANDARDS

The ceil() function conforms to ANSI X3.159-1989 (``ANSI C89'') .