/**
* Creates a new empty array map copying the entries of a given map.
*
* @param m a map.
*/
public Int2DoubleArrayMap(final Int2DoubleMap m) {
this(m.size());
putAll(m);
}
/**
* Creates a new hash map copying a given type-specific one.
*
* @param m a type-specific map to be copied into the new hash map.
* @param f the load factor.
*/
public Int2DoubleOpenHashMap(final Int2DoubleMap m, final float f) {
this(m.size(), f);
putAll(m);
}