Examples of FirstThenSecondDoublesPairComparator

com.opengamma.util.tuple.FirstThenSecondDoublesPairComparator
A comparator for two {@code DoublesPair} instances.
A Pair (x₁, y₁) is less than another pair (x₂, y₂) if one of these is true:
x₁ < x₂
x₁ = x₂ and y₁ < y₂

This class is immutable and thread-safe.

Examples of com.opengamma.util.tuple.FirstThenSecondDoublesPairComparator

    init();
  }


  // TODO this logic should be in the interpolator
  private void init() {
    final Map<DoublesPair, Double> map = new TreeMap<>(new FirstThenSecondDoublesPairComparator());
    final double[] x = getXDataAsPrimitive();
    final double[] y = getYDataAsPrimitive();
    final double[] z = getZDataAsPrimitive();
    for (int i = 0; i < size(); i++) {
      map.put(DoublesPair.of(x[i], y[i]), z[i]);

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