cdm/src/main/java/ucar/nc2/dataset/CoordinateAxis2D.java
static private double connectLon(double connect, double val) {
    if (Double.isNaN(connect)) return val;
    if (Double.isNaN(val)) return val;

    double diff = val - connect;
    if (Math.abs(diff) < MAX_JUMP) return val; // common case fast
    // we have to add or subtract 360
    double result = diff > 0 ? val - 360 : val + 360;
    double diff2 = connect - result;
    if ((Math.abs(diff2)) < Math.abs(diff))
      val = result;
    return val;
  }
static private double connectLon(double connect, double val) {
    if (Double.isNaN(connect)) return val;
    if (Double.isNaN(val)) return val;

    double diff = val - connect;
    if (Math.abs(diff) < MAX_JUMP) return val; // common case fast
    // we have to add or subtract 360
    double result = diff > 0 ? val - 360 : val + 360;
    double diff2 = connect - result;
    if ((Math.abs(diff2)) < Math.abs(diff))
      val = result;
    return val;
  }
larger than you would ever expect