ceil(3) - NetBSD Manual Pages

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CEIL(3)                 NetBSD Library Functions Manual                CEIL(3)


NAME

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


LIBRARY

     Math Library (libm, -lm)


SYNOPSIS

     #include <math.h>

     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() func-
     tions 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 6.1.2                  September 18, 2011                  NetBSD 6.1.2