/**
* Returns the hash code for this ScalarMap. If <code>scalarMap1.equals(
* scalarMap2)</code> is true, then <code>scalarMap1.hashCode() ==
* scalarMap2.hashCode()</code>.
*
* @return The hash code for this ScalarMap.
*/
public int hashCode() {
ScalarType s = getScalar();
DisplayRealType ds = getDisplayScalar();
int hash = 0;
if (s != null) {
if (ds != null) {
hash = s.hashCode() ^ ds.hashCode();
} else {
hash = s.hashCode();
}
} else if (ds != null) {
hash = ds.hashCode();
}
return hash;
}
