Class LinFun

test/com/winvector/opt/imp/TestOpt.java:16–30

public class TestOpt extends TestCase {
	
	private static final class LinFun implements ScalarFn {
		public final double sign;
		public final double x0;

		public LinFun(final double x0, final double sign) {
			this.sign = sign;
			this.x0 = x0;
		}
		
		@Override
		public double eval(final double x) {
			final double diff = x - x0;
			return sign*diff*diff;
		}
	}
	
	public void testLinMax() {
		final LinFun f = new LinFun(3.2,-1.0);