Modular exponentiation: Difference between revisions
Content added Content deleted
(factorised out function exp_factor to improve structure) |
(missed out binary_exp in list edit) |
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Mod > 0 -> |
Mod > 0 -> |
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binary_exp_mod(Base,Exp,Mod). |
binary_exp_mod(Base,Exp,Mod). |
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binary_exp(Base,Exponent) -> |
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binary_exp(Base,Exponent,1). |
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binary_exp(_,0,Result) -> |
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Result; |
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binary_exp(Base,Exponent,Acc) -> |
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binary_exp(Base*Base,Exponent bsr 1,Acc * exp_factor(Base,Exponent)). |
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binary_exp_mod(Base,Exponent,Mod) -> |
binary_exp_mod(Base,Exponent,Mod) -> |
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