Math ============================================= Provides assorted low-level math operations. max64(uint64 a, uint64 b) internal constant returns (uint64) """"""""""""""""""""""""""""""""""""""""""""""""" Returns the largest of two uint64 numbers. min64(uint64 a, uint64 b) internal constant returns (uint64) """"""""""""""""""""""""""""""""""""""""""""""""" Returns the smallest of two uint64 numbers. max64(uint256 a, uint256 b) internal constant returns (uint256) """"""""""""""""""""""""""""""""""""""""""""""""" Returns the largest of two uint256 numbers. min64(uint256 a, uint256 b) internal constant returns (uint256) """"""""""""""""""""""""""""""""""""""""""""""""" Returns the smallest of two uint256 numbers.