001 package railo.runtime.img.interpolation; 002 003 public class Blackman implements Interpolation 004 { 005 public double f(double x) { 006 return (0.42 + 0.5 * Math.cos(3.141592653589793 * x) 007 + 0.08 * Math.cos(6.283185307179586 * x)); 008 } 009 010 public double getSupport() { 011 return 1.0; 012 } 013 }