22 lines
508 B
Solidity
22 lines
508 B
Solidity
pragma solidity ^0.4.24;
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/**
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* @title Math
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* @dev Assorted math operations
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*/
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library Math {
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function max(uint256 _a, uint256 _b) internal pure returns (uint256) {
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return _a >= _b ? _a : _b;
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}
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function min(uint256 _a, uint256 _b) internal pure returns (uint256) {
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return _a < _b ? _a : _b;
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}
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function average(uint256 _a, uint256 _b) internal pure returns (uint256) {
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// (_a + _b) / 2 can overflow, so we distribute
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return (_a / 2) + (_b / 2) + ((_a % 2 + _b % 2) / 2);
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}
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}
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