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

com.opengamma.analytics.math.function.PiecewisePolynomialFunction1D.evaluate()
@param pp PiecewisePolynomialResult @param xKey @return Values of piecewise polynomial functions at xKey When _dim in PiecewisePolynomialResult is greater than 1, i.e., the struct contains multiple splines, an element in the return values corresponds to each spline


    final int nKeys = 121;
    double key0 = -2.;
    for (int i = 1; i < nKeys; ++i) {
      final double key = -2. + 12. / (nKeys - 1) * i;
      assertTrue(function.evaluate(resultPos, key).getData()[0] - function.evaluate(resultPos, key0).getData()[0] <= 0.);
      //      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
      key0 = -2. + 11. / (nKeys - 1) * i;
    }
  }

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = 1. + 5. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }


  /**
   *

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = 1. + 5. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }


  /**
   *

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = 1. + 5. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }


  /**
   *

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = 1. + 5. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }


  /**
   *

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = +30. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }


  /**
   *

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = +30. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }


  /**
   *

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = 1.5 + 12. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }
}

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    System.out.println(resultPos.getCoefMatrix());


    final int nKeys = 101;
    for (int i = 0; i < nKeys; ++i) {
      final double key = 1.5 + 12. / (nKeys - 1) * i;
      System.out.println(key + "\t" + function.evaluate(result, key).getData()[0] + "\t" + function.evaluate(resultPos, key).getData()[0]);
    }
  }
}

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    assertEquals(resultPos.getOrder(), result.getOrder());


    final int nPts = 101;
    for (int i = 0; i < 101; ++i) {
      final double key = 1. + 4. / (nPts - 1) * i;
      assertTrue(function.evaluate(resultPos, key).getData()[0] >= 0.);
    }


    final int nData = xValues.length;
    for (int i = 1; i < nData - 2; ++i) {
      final double tau = Math.signum(resultPos.getCoefMatrix().getData()[i][3]);

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