.so macro
.he 'FLOOR''FLOOR'
.n	FLOOR
floor - floating point floor function
.sy SYNOPSIS
.nf
#include <math.h>

double floor(d)
double d;
.fi
.d  DESCRIPTION
\&'floor' returns the largest integer (as a double precision
number) not greater than x.
.fl FILES
math.h - declaration include file
.sa SEE ALSO
ceil(subs)