AppendixReferencesSpark Standard Library ReferenceStd MathdeltaVersion: v. 1On this pagedeltaSignature function delta(uint256 a, uint256 b) internal pure returns (uint256) function delta(int256 a, int256 b) internal pure returns (uint256) Description Returns the difference between two numbers in absolute value. Example uint256 four = stdMath.delta(-1, 3);