Price analysis 8/5: BTC, ETH, BNB, XRP, ADA, SOL, DOGE, DOT, MATIC, AVAX

i having this error in pragma solidity >=0.7.0 <0.9.0

int256 constant REAL_BITS = 128; int256 constant REAL_FBITS = 40; int256 constant REAL_IBITS = REAL_BITS - REAL_FBITS; int128 constant REAL_ONE = int128(1) << int128(REAL_FBITS); int128 constant REAL_HALF = REAL_ONE >> int128(1); int128 constant REAL_TWO = REAL_ONE << int128(1); 

errors:

• Operator << not compatible with types int128 and int128
• Operator >> not compatible with types int128 and int128