/src/main/java/net/finmath/montecarlo/interestrate/models/covariance/LIBORVolatilityModelFourParameterExponentialFormIntegrated.java
if( maturity-timeStart <= 1) {
if ( maturity-timeStart <= 0 ) {
} @Override public RandomVariable getVolatility(final int timeIndex, final int liborIndex) { final double timeStart = getTimeDiscretization().getTime(timeIndex); final double timeEnd = getTimeDiscretization().getTime(timeIndex+1); final double maturity = getLiborPeriodDiscretization().getTime(liborIndex); <extra_id_0> return new Scalar(0.0); } final RandomVariable varianceInstantaneous = getIntegratedVariance(maturity-timeStart).sub(getIntegratedVariance(maturity-timeEnd)).div(timeEnd-timeStart); return varianceInstantaneous.sqrt(); } private RandomVariable getIntegratedVariance(final double maturity) {