17 lines
560 B
Text
17 lines
560 B
Text
* Roman to Arabic
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define('arabic(n)s,ch,val,sum,x') :(arabic_end)
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arabic s = 'M1000 D500 C100 L50 X10 V5 I1 '
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n = reverse(n)
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arab1 n len(1) . ch = :f(arab2)
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s ch break(' ') . val
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val = lt(val,x) (-1 * val)
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sum = sum + val; x = val :(arab1)
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arab2 arabic = sum :(return)
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arabic_end
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* Test and display
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tstr = 'MMX MCMXCIX MCDXCII MLXVI CDLXXVI "
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tloop tstr break(' ') . r span(' ') = :f(out)
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astr = astr r '=' arabic(r) ' ' :(tloop)
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out output = astr
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end
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