nextafter,
nextafterf
[get next number]
SYNOPSIS
#include <math.h> double nextafter(double val, double dir); float nextafterf(float val, float dir);
DESCRIPTION
nextafter
returns the double precision floating
point number closest to val
in the direction toward dir.
nextafterf
performs the same operation in single
precision. For example, nextafter(0.0,1.0)
returns the smallest positive number
which is representable in double precision.
RETURNS
Returns the next closest number
to val
in the direction toward dir.
COMPLIANCE
Neither nextafter
nor nextafterf
is required by ANSI C or by the System
V Interface Definition (Issue 2).