CEIL(3)                FreeBSD Library Functions Manual                CEIL(3)

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

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <math.h>

     double
     ceil(double x);

     float
     ceilf(float x);

     long double
     ceill(long double x);

DESCRIPTION
     The ceil(), ceilf() and ceill() functions return the smallest integral
     value greater than or equal to x, expressed as a floating-point number.

SEE ALSO
     abs(3), fabs(3), floor(3), ieee(3), math(3), rint(3), round(3), trunc(3)

STANDARDS
     The ceil() function conforms to ISO/IEC 9899:1990 ("ISO C90").  The
     ceilf() and ceill() functions conform to ISO/IEC 9899:1999 ("ISO C99").

FreeBSD 13.1-RELEASE-p6        January 13, 2005        FreeBSD 13.1-RELEASE-p6