63 lines
853 B
Text
63 lines
853 B
Text
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 25 000: ", risultato );
|
|
|
|
|
|
|
|
|
|
|
|
|
|
const {
|
|
symbols: { fibonacci_gmp },
|
|
} = cc({
|
|
source,
|
|
symbols: {
|
|
fibonacci_gmp: {
|
|
args: [],
|
|
returns: "cstring",
|
|
},
|
|
},
|
|
});
|
|
|
|
const result_gmp = fibonacci_gmp();
|
|
console.log("Fibonacci(25000) =", result_gmp);
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
|
|
function fibonacci_js() {
|
|
const n = 25000;
|
|
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(25 000) =", result_js.toString());
|