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18 lines
441 B
18 lines
441 B
pragma solidity ^0.5.0;
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contract Test {
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function a() public {
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assembly {
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function power(base, exponent) -> result {
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switch exponent
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case 0 { result := 1 }
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case 1 { result := base }
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default {
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result := power(mul(base, base), div(exponent, 2))
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switch mod(exponent, 2)
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case 1 { result := mul(base, result) }
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}
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}
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}
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}
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} |