### Question:
DoubleIndex implements Index { public Selection atMost(double value) { Selection selection = new BitmapBackedSelection(); Double2ObjectSortedMap<IntArrayList> head = index.headMap(value + 0.000001); for (IntArrayList keys : head.values()) { addAllToSelection(keys, selection); } return selection; } DoubleIndex(DoubleColumn column); Selection get(double value); Selection atLeast(double value); Selection greaterThan(double value); Selection atMost(double value); Selection lessThan(double value);  }### Answer:
@Test public void testLTE() { Selection fromCol = table.numberColumn("stop_lat").eval(NumberPredicates.isLessThanOrEqualTo(30.330425)); Selection fromIdx = index.atMost(30.330425); assertEquals(fromCol, fromIdx); }