Damm algorithm: Difference between revisions
New uBasic/4tH version
(→{{header|Ruby}}: modernized, shortened; end-less def, digits) |
(New uBasic/4tH version) |
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0 OK, 0:984</pre>
Although the output of this version is virtually identical, it uses uBasic/4tH features consistently and is consequently much shorter.
<lang>Proc _IsDamm (5724)
Proc _IsDamm (5727)
Proc _IsDamm (112946)
Proc _IsDamm (112949)
End
_Damm
Param (1)
Local (1)
b@ := "0317598642709215486342068713591750983426612304597836742095815869720134894536201794386172052581436790"
Do Until a@ = 0 ' until number is consumed
Push a@ % 10 : a@ = a@ / 10 ' extract digit and put on stack
Loop
Do While Used () ' last number retrieved?
a@ = Peek(b@, (a@ * 10) + Pop ()) - Ord ("0")
Loop ' calculate checksum
Return (a@) ' return checksum
_IsDamm ' evaluate and print checksum
Param (1)
Print Using "______";a@;" is ";Show (Iif (Func (_Damm (a@)), "invalid", "valid"))
Return</lang>
=={{header|Visual Basic .NET}}==
{{trans|C#}}
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