Wave/std/math/int.wave at 45f08639bf85eaa0dfa532bd20acd7193a031593 · LunaStev/Wave · GitHub

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fun abs(x: i32) -> i32 {
    if (x < 0) {
        return -x;
    }

    return x;
}

fun min(a: i32, b: i32) -> i32 {
    if (a < b) {
        return a;
    }

    return b;
}

fun max(a: i32, b: i32) -> i32 {
    if (a > b) {
        return a;
    }

    return b;
}

fun clamp(x: i32, lo: i32, hi: i32) -> i32 {
    if (x < lo) {
        return lo;
    }

    if (x > hi) {
        return hi;
    }

    return x;
}

fun sign(x: i32) -> i32 {
    if (x < 0) {
        return -1;
    }

    if (x > 0) {
        return 1;
    }

    return 0;
}

fun is_even(x: i32) -> bool {
    if ((x % 2) == 0) {
        return true;
    }

    return false;
}

fun is_odd(x: i32) -> bool {
    if ((x % 2) != 0) {
        return true;
    }

    return false;
}

fun div_ceil_pos(a: i32, b: i32) -> i32 {
    if (b == 0) {
        return 0;
    }

    if (a <= 0) {
        return 0;
    }

    return (a + (b - 1)) / b;
}

fun div_floor_pos(a: i32, b: i32) -> i32 {
    if (b == 0) {
        return 0;
    }

    if (a <= 0) {
        return 0;
    }

    return a / b;
}

fun swap_i32(a: ptr<i32>, b: ptr<i32>) {
    let t: i32 = deref a;

    deref a = deref b;
    deref b = t;
}