import { cc } from "bun:ffi";
import source from "./test.c" with { type: "file" };


const {
  symbols: { fibonacci },
} = cc({
  source,
  symbols: {
    fibonacci: {
      args: [],
      returns: "uint64_t",
    },
  },
});

const risultato = fibonacci();

console.log("fibonacci serie 250 000: ", risultato );

// 

function fibonacci_js() {
    const n = 250000;
    let a = 0n;
    let b = 1n;
    let c;

    for (let i = 2; i <= n; i++) {
        c = a + b;
        a = b;
        b = c;
    }

    return b;
}

const result_js = fibonacci_js();
console.log("Fibonacci(250 000) =", result_js.toString());