Method compare

JSAT/test/jsat/utils/IndexTableTest.java:81–85

(Double o1, Double o2)

        IndexTable idt = new IndexTable(list, new Comparator<Double>() {

            @Override
            public int compare(Double o1, Double o2)
            {
                return -o1.compareTo(o2);
            }
        });
        for(int i = 0; i < idt.length()-1; i++)
            assertTrue(list.get(idt.index(i)).compareTo(list.get(idt.index(i+1))) >= 0);