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CEIL(3)                    Library Functions Manual                    CEIL(3)

NAME
     ceil, ceilf, floor, floorf -- ceiling and floor

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <&lt;math.h>&gt;

     double
     ceil(double x);

     float
     ceilf(float x);

     double
     floor(double x);

     float
     floorf(float x);

DESCRIPTION
     The ceil() and ceilf() functions return the smallest integral value
     greater than or equal to x.  Conversely, the floor() and floorf()
     functions return the largest integral value less than or equal to x.

SEE ALSO
     abs(3), fabs(3), math(3), nextafter(3), rint(3)

STANDARDS
     The described functions conform to ISO/IEC 9899:1999 (``ISO C99'').

NetBSD 6.1.5                  September 18, 2011                  NetBSD 6.1.5