/** * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.analytics.financial.covariance; import com.opengamma.analytics.math.function.Function; import com.opengamma.timeseries.date.localdate.LocalDateDoubleTimeSeries; /** * * Interface for volatility calculation. */ public interface VolatilityCalculator extends Function<LocalDateDoubleTimeSeries, Double> { }