FLOOR(3)

NAME
1.20 `floor', `floorf', `ceil', `ceilf'--floor and ceiling

SYNOPSIS
     #include <math.h>
     double floor(double X);
     float floorf(float X);
     double ceil(double X);
     float ceilf(float X);

DESCRIPTION
`floor' and `floorf' find the nearest integer less than or equal to X. `ceil' and `ceilf' find the nearest integer greater than or equal to X.

RETURNS
`floor' and `ceil' return the integer result as a double. `floorf' and `ceilf' return the integer result as a float.

PORTABILITY
`floor' and `ceil' are ANSI. `floorf' and `ceilf' are extensions.

SEE ALSO
floor is part of the library. The full documentation for is maintained as a Texinfo manual. If info and are properly installed at your site, the command

    info

will give you access to the complete manual.