+ String content = ContactMatrix.contactToFloatString(dummyMat);
+ Assert.assertTrue(content.contains("\t1.")); // at least one element must be
+ // 1
+ float[][] vals = ContactMatrix.fromFloatStringToContacts(content,
+ sq.getLength(), sq.getLength());
+ assertEquals(vals[3][4], paevals[3][4]);
+ assertEquals(vals[4][3], paevals[4][3]);
+ dummyMat.setGroupSet(GroupSet.makeGroups(dummyMat, false,0.5f, false));
+ Assert.assertNotSame(dummyMat.getNewick(), "");