public virtual void dirtyPriceFromYieldUS()
{
double dirtyPrice = PRICER.dirtyPriceFromYield(PRODUCT_US, SETTLEMENT_US, YIELD_US);
assertEquals(dirtyPrice, 1.0417352500524246, TOL); // 2.x.
double yield = PRICER.yieldFromDirtyPrice(PRODUCT_US, SETTLEMENT_US, dirtyPrice);
assertEquals(yield, YIELD_US, TOL);
}