Examples of com.opengamma.analytics.math.function.PiecewisePolynomialFunction1D.integrate()

com.opengamma.analytics.math.function.PiecewisePolynomialFunction1D.integrate()
@param pp PiecewisePolynomialResult @param initialKey @param xKey @return Integral of piecewise polynomial between initialKey and xKey

    PiecewisePolynomialFunction1D func = new PiecewisePolynomialFunction1D();


    final int nPts = 101;
    for (int i = 0; i < nPts; ++i) {
      final double key = 0. + 5. / (nPts - 1) * i;
      System.out.println(key + "\t" + interpolator.interpolate(xValues, yValues, key) + "\t" + func.integrate(result, 0., key));
    }


    System.out.println("\n");


    for (int i = 0; i < nPts; ++i) {

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