cdm/src/main/java/ucar/ma2/MAVector.java
public void normalize() {
    double norm = norm();
    if (norm <= 0.0)
      return;

    for (int k=0; k<nelems; k++) {
      double val = getDouble(k);
      setDouble(k, val/norm);
    }
  }
public void normalize() {
    double norm = norm();
    if (norm <= 0.0)
      return;

    for (int k=0; k<nelems; k++) {
      double val = getDouble(k);
      setDouble(k, val/norm);
    }
  }
Normalize this vector, so it has norm = 1.0.