1

 QUICK CHECK DIAGNOSTICS FOR PSIFN




 QUICK CHECKS OK




 TRIGGER 6 ERROR CONDITIONS


 PSIFN, X IS NOT POSITIVE
 PSIFN, N IS NOT GREATER THAN OR EQUAL TO ZERO
 PSIFN, KODE IS NOT 1 OR 2
 PSIFN, M IS NOT GREATER THAN ZERO
 PSIFN, END INPUT ERRORS FOR DPSIFN
 PSIFN, OVERFLOW, X TOO SMALL OR N+M-1 TOO LARGE
 PSIFN, UNDERFLOW, X TOO LARGE OR N+M-1 TOO LARGE
