NEXTAFTER(3) BSD Library Functions Manual NEXTAFTER(3)NAME
nextafter
SYNOPSIS
#include <math.h>
double
nextafter(double x, double y);
float
nextafterf(float x, float y);
DESCRIPTION
The nextafter() and nextafterf() functions return the next machine repre‐
sentable number from x in direction y.
SPECIAL VALUES
nextafter(x, y) raises the "overflow" and "inexact" floating-point excep‐
tions for x finite and the function value infinite.
nextafter(x, y) raises the "underflow" and "inexact" floating-point
exceptions for the function value subnormal or zero and x not equal to y.
SEE ALSOmath(3)STANDARDS
The nextafter() and nextafterf() functions conform to ISO/IEC
9899:1999(E).
BSD January 28, 2003 BSD