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srctmp/main.rs

@@ -1,60 +0,0 @@
-use ldpc::{
-    channel::{AwgnChannel, Channel},
-    code::{CodeTopology, GenerationMethod, LdpcCode, LdpcParams},
-    decoder::{build_decoder, DecoderConfig, DecoderMethod},
-    encoder::{build_encoder, EncodingMethod},
-};
-use rand::{Rng, SeedableRng};
-
-fn main() -> ldpc::Result<()> {
-    // ── 1. Générer le code ────────────────────────────────────────────────────
-    let params = LdpcParams {
-        n: 100,
-        k: 50,
-        topology: CodeTopology::Regular { wc: 3, wr: 6 },
-        generation: GenerationMethod::MacKayNeal { max_attempts: 500 },
-        seed: Some(42),
-    };
-    let mut code = LdpcCode::new(params)?;
-    println!(
-        "Code LDPC : n={}, k={}, taux={:.2}, girth={}",
-        code.n(),
-        code.k(),
-        code.rate(),
-        code.girth()
-    );
-
-    // ── 2. Encodeur ───────────────────────────────────────────────────────────
-    let encoder = build_encoder(&mut code, EncodingMethod::Systematic)?;
-
-    // ── 3. Canal ──────────────────────────────────────────────────────────────
-    let channel = AwgnChannel::new(2.0, code.rate())?; // 2 dB Eb/N0
-    println!("Capacité AWGN ≈ {:.4} bits/utilisation", channel.capacity());
-
-    // ── 4. Décodeur ───────────────────────────────────────────────────────────
-    let decoder = build_decoder(&code, DecoderMethod::SumProduct, DecoderConfig::default());
-
-    // ── 5. Simulation ─────────────────────────────────────────────────────────
-    let mut rng = rand::rngs::StdRng::seed_from_u64(123);
-    let n_trials = 100;
-    let mut errors = 0usize;
-
-    for _ in 0..n_trials {
-        // Message aléatoire
-        let message: Vec<u8> = (0..code.k()).map(|_| rng.gen::<u8>() & 1).collect();
-        // Encodage
-        let codeword = encoder.encode(&message)?;
-        // Transmission AWGN
-        let received_llr = channel.transmit(&codeword, &mut rng);
-        // Décodage
-        let result = decoder.decode(&received_llr);
-        // Vérification
-        if !result.is_success() {
-            errors += 1;
-        }
-    }
-
-    let ber = errors as f64 / n_trials as f64;
-    println!("FER sur {} essais à 2dB : {:.2}%", n_trials, ber * 100.0);
-    Ok(())
-}