MirOS Manual: ceil(3), ceilf(3), floor(3), floorf(3)

CEIL(3)                    BSD Programmer's Manual                     CEIL(3)

NAME

     ceil, ceilf, floor, floorf - ceiling and floor

LIBRARY

     libm

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").

MirOS BSD #10-current         September 18, 2011                             1

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