/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.model.volatility.local;
import com.opengamma.analytics.financial.model.interestrate.curve.ForwardCurve;
import com.opengamma.analytics.financial.model.interestrate.curve.YieldAndDiscountCurve;
import com.opengamma.analytics.financial.model.option.pricing.analytic.formula.EuropeanVanillaOption;
import com.opengamma.analytics.math.interpolation.Interpolator1D;
import com.opengamma.analytics.math.interpolation.data.Interpolator1DDataBundle;
/**
*
*/
//TODO desperately needs renaming
public class LocalVolatilityForwardPDESingleResultCalculator implements PDELocalVolatilityCalculator<Double> {
private final NearestNPointsInterpolator _interpolator;
private final PDELocalVolatilityCalculator<Interpolator1DDataBundle> _calculator;
public LocalVolatilityForwardPDESingleResultCalculator(final PDELocalVolatilityCalculator<Interpolator1DDataBundle> calculator, final Interpolator1D interpolator) {
_calculator = calculator;
_interpolator = new NearestNPointsInterpolator(interpolator, 4);
}
@Override
public Double getResult(final LocalVolatilitySurfaceMoneyness localVolatility, final ForwardCurve forwardCurve, final EuropeanVanillaOption option, final YieldAndDiscountCurve discountingCurve) {
final double strike = option.getStrike();
final Interpolator1DDataBundle data = _calculator.getResult(localVolatility, forwardCurve, option, discountingCurve);
return _interpolator.interpolate(data, strike);
}
@Override
public Double getResult(final LocalVolatilitySurfaceStrike localVolatility, final ForwardCurve forwardCurve, final EuropeanVanillaOption option, final YieldAndDiscountCurve discountingCurve) {
final double strike = option.getStrike();
final Interpolator1DDataBundle data = _calculator.getResult(localVolatility, forwardCurve, option, discountingCurve);
return _interpolator.interpolate(data, strike);
}
}