void function ( ) { checkSearch ( "srini_string" , "srini_string" ) ; }
runs the pc algorithm on the graph x1 -- > x2 , x1 -- > x3 , x2 -- > x4 , x3 -- > x4 . should produce x1 -- x2 , x1 -- x3 , x2 -- > x4 , x3 -- > x4 . concode_field_sep PlaceHolder placeHolder concode_field_sep void testSearch3 concode_elem_sep void testSearch2 concode_elem_sep void checkSearch concode_elem_sep void checkWithKnowledge concode_elem_sep void test7