in src/main/java/org/apache/datasketches/vector/MatrixFamily.java [151:159]
public static MatrixFamily objectToFamily(final Object obj) {
final String sname = obj.getClass().getSimpleName().toUpperCase();
for (MatrixFamily f : values()) {
if (sname.contains(f.toString())) {
return f;
}
}
throw new IllegalArgumentException("Possible Corruption: Unknown object");
}