generate.py

from imports import jax,jnp,np
from loading_model import generator
def inference_and_plot(gen_state, resolution, phase='stable'):
    rng = gen_state['rng']

    # ── split into 3 keys: next state, z, noise ──────────
    rng, z_key, noise_key = jax.random.split(rng, 3)

    fixed_z = jax.random.normal(z_key, [16, 512])

    fake_images, _ = generator.stateless_call(
        gen_state['ema_trainable'],
        gen_state['non_trainable'],
        jnp.array(fixed_z),
        jnp.array(1.0),
        noise_key,                  # ← dedicated noise key
    )

    print(f"Fake image range: {float(jnp.min(fake_images)):.3f} to {float(jnp.max(fake_images)):.3f}")

    gen_state = {**gen_state, 'rng': rng}  # ← advance state with consumed rng

    fake_images = (fake_images + 1.0) / 2.0
    fake_images = jnp.clip(fake_images, 0.0, 1.0)
    fake_images = np.array(fake_images)
    return gen_state