45 lines
1.0 KiB
Solidity
45 lines
1.0 KiB
Solidity
/*
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Copyright 2020 DODO ZOO.
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SPDX-License-Identifier: Apache-2.0
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*/
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pragma solidity 0.6.9;
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pragma experimental ABIEncoderV2;
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import {SafeMath} from "./SafeMath.sol";
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/**
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* @title DecimalMath
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* @author DODO Breeder
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*
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* @notice Functions for fixed point number with 18 decimals
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*/
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library DecimalMath {
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using SafeMath for uint256;
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uint256 constant ONE = 10**18;
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function mul(uint256 target, uint256 d) internal pure returns (uint256) {
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return target.mul(d) / ONE;
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}
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function mulFloor(uint256 target, uint256 d) internal pure returns (uint256) {
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return target.mul(d) / ONE;
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}
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function mulCeil(uint256 target, uint256 d) internal pure returns (uint256) {
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return target.mul(d).divCeil(ONE);
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}
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function divFloor(uint256 target, uint256 d) internal pure returns (uint256) {
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return target.mul(ONE).div(d);
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}
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function divCeil(uint256 target, uint256 d) internal pure returns (uint256) {
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return target.mul(ONE).divCeil(d);
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}
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}
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