pub const MacroArithmetic = struct {
    pub fn div(a: anytype, b: anytype) ArithmeticConversion(@TypeOf(a), @TypeOf(b)) {
        const ResType = ArithmeticConversion(@TypeOf(a), @TypeOf(b));
        const a_casted = cast(ResType, a);
        const b_casted = cast(ResType, b);
        switch (@typeInfo(ResType)) {
            .float => return a_casted / b_casted,
            .int => return @divTrunc(a_casted, b_casted),
            else => unreachable,
        }
    }

    pub fn rem(a: anytype, b: anytype) ArithmeticConversion(@TypeOf(a), @TypeOf(b)) {
        const ResType = ArithmeticConversion(@TypeOf(a), @TypeOf(b));
        const a_casted = cast(ResType, a);
        const b_casted = cast(ResType, b);
        switch (@typeInfo(ResType)) {
            .int => {
                if (@typeInfo(ResType).int.signedness == .signed) {
                    return signedRemainder(a_casted, b_casted);
                } else {
                    return a_casted % b_casted;
                }
            },
            else => unreachable,
        }
    }
}