return the combination of n and r. concode_field_sep double EPSILON concode_field_sep fj.data.List<Vector> combinations concode_elem_sep fj.data.List<Vector> combinations concode_elem_sep double log concode_elem_sep int factorial concode_elem_sep double choose concode_elem_sep int flip concode_elem_sep BigInteger largeFactorial concode_elem_sep int permutation concode_elem_sep Iterator<List<T>> permutation
int function ( int arg0 , int arg1 ) { checkArgument ( arg0 >= arg1 , "srini_string" ) ; checkArgument ( arg1 >= 0 , "srini_string" ) ; return permutation ( arg0 , arg1 ) / factorial ( arg1 ) ; }