mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
22 lines
632 B
Solidity
22 lines
632 B
Solidity
function exp(uint base, uint exponent) pure returns (uint power) {
|
|
if (exponent == 0)
|
|
return 1;
|
|
power = exp(base, exponent / 2);
|
|
power *= power;
|
|
if (exponent & 1 == 1)
|
|
power *= base;
|
|
}
|
|
|
|
contract C {
|
|
function g(uint base, uint exponent) public pure returns (uint) {
|
|
return exp(base, exponent);
|
|
}
|
|
}
|
|
// ----
|
|
// g(uint256,uint256): 0, 0 -> 1
|
|
// g(uint256,uint256): 0, 1 -> 0x00
|
|
// g(uint256,uint256): 1, 0 -> 1
|
|
// g(uint256,uint256): 2, 3 -> 8
|
|
// g(uint256,uint256): 3, 10 -> 59049
|
|
// g(uint256,uint256): 2, 255 -> -57896044618658097711785492504343953926634992332820282019728792003956564819968
|