SettleLongPremium is incorrectly implemented: premium should be deducted instead of added

Panotic_1.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity >=0.7.0 <0.9.0;

import "hardhat/console.sol";

contract Panotic{

    function exercise(
        int128 realizedPremium
    ) external pure returns  (int128) {
        int256 tokenToPay = -realizedPremium;
         if (tokenToPay > 0) {
            console.log("burn user shares");
        } else if (tokenToPay < 0) {
            console.log("mint user shares.");
        }

        return 0;
    }

}