Integers past 128 bits

# Integers past 128 bits (owner, 2026-10-03): `not_std.uint256` and up, to LLVM's 2^23 bits. The maths is
# exact; in between, the limit is the widest operand's width, and the answer is checked where it lands.
MAIN {
    let 'max': not_std.uint256 = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
    let 'half': not_std.uint256 = 'max' div.floor 2;
    let 'top': not_std.uint256 = 2 pow 255;
    std::print.useful['half', newln];
    std::print.useful[('top' minus 1 plus 'top'), newln];
    std::print.useful[('top' plus.wrap 'top'), " ", ('top' times.wrap 3), newln];
    let 'p': not_std.int256 = -(2 pow 200);
    std::print.useful[('p' div.near 3), " ", ('p' mod.floor 7), newln];
    let 'c': int128 = 170141183460469231731687303715884105727;
    std::print.useful[(('c' plus 'c') div.floor 2), newln];       # two int128s add at 128 bits in between
    let 'm': uint128 = 340282366920938463463374607431768211455;
    std::print.useful[('m' plus.wrap 1), " ", ('m' times.wrap 'm'), newln];
}