open might fail and return -1; check the return value and do not continue with a negative value. found by coverity: Argument cannot be negative 596 3. negative_return ...

@danphnis @jimmielin There is probably an indexing mismatch in the ZPJ array, which holds the J-values that are computed by FAST_JX. You may want to check the indexing of your photolysis species and ...

Abstract: We present a new method to determine whether a convex region contains any integer points. The method is designed for array subscript analysis in parallel programs. The general problem is ...