A/UX® Programmer's Reference

floor(3M) floor(3M)
NAME
floor, ceil, fmed, fabs - floor, ceiling, remainder,
absolute value functions
SYNOPSIS
*include
double floor (x)
double x;
double ceil (x)
double x;
double fmod (x, y)
double x, y;
double fabs (x)
double x;
DESCRIPTION
floor returns the largest integer (as a double-precision number)
not greater than x.
ceil returns the smallest integer not less than x.
fmod returns the floating-point remainder of the division of x by
y: x if y is zero or if xly would overflow; otherwise the number isf
with the same sign as x, such that x = iy + f for some integer i, and
If I < Iyl.
f abs returns the absolute value of I x I .
SEE ALSO
abs(3C).
February, 1990
RevisionC
1