fn add(x: int, y: int) -> int { ret x + y; }

fn sub(x: int, y: int) -> int { ret x - y; }

fn mul(x: int, y: int) -> int { ret x * y; }

fn div(x: int, y: int) -> int { ret x / y; }

fn rem(x: int, y: int) -> int { ret x % y; }

fn lt(x: int, y: int) -> bool { ret x < y; }

fn le(x: int, y: int) -> bool { ret x <= y; }

fn eq(x: int, y: int) -> bool { ret x == y; }

fn ne(x: int, y: int) -> bool { ret x != y; }

fn ge(x: int, y: int) -> bool { ret x >= y; }

fn gt(x: int, y: int) -> bool { ret x > y; }

fn positive(x: int) -> bool { ret x > 0; }

fn negative(x: int) -> bool { ret x < 0; }

fn nonpositive(x: int) -> bool { ret x <= 0; }

fn nonnegative(x: int) -> bool { ret x >= 0; }


// FIXME: Make sure this works with negative integers.
fn hash(x: &int) -> uint { ret x as uint; }

fn eq_alias(x: &int, y: &int) -> bool { ret x == y; }

iter range(lo: int, hi: int) -> int {
    let lo_: int = lo;
    while lo_ < hi { put lo_; lo_ += 1; }
}

fn to_str(n: int, radix: uint) -> str {
    assert (0u < radix && radix <= 16u);
    ret if n < 0 {
            "-" + uint::to_str(-n as uint, radix)
        } else { uint::to_str(n as uint, radix) };
}
fn str(i: int) -> str { ret to_str(i, 10u); }

fn pow(base: int, exponent: uint) -> int {
    ret if exponent == 0u {
            1
        } else if base == 0 {
            0
        } else {
            let accum = base;
            let count = exponent;
            while count > 1u { accum *= base; count -= 1u; }
            accum
        };
}
// Local Variables:
// mode: rust;
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
// End: