DragonFly On-Line Manual Pages

FLOOR(3)	      DragonFly Library Functions Manual	      FLOOR(3)

NAME

floor, floorf, floorl -- round to largest integral value not greater than x

SYNOPSIS

#include <math.h> double floor(double x); float floorf(float x); long double floorl(long double x);

DESCRIPTION

The floor() function returns the largest integral value less than or equal to x. The floorf() function is a single precision version of floor(). The floorl() function is an extended precision version of floor().

SEE ALSO

abs(3), ceil(3), fabs(3), nextafter(3), rint(3)

STANDARDS

The floor() function conforms to ANSI X3.159-1989 (``ANSI C89'').

HISTORY

A floor() function first appeared in Version 5 AT&T UNIX. DragonFly 4.3 July 17, 2013 DragonFly 4.3