ternlang-core 0.3.3

Compiler and VM for Ternlang — balanced ternary language with affirm/tend/reject trit semantics, @sparseskip codegen, and BET bytecode execution.
Documentation 
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// Module:  stdlib/research/ternary_ppo.tern
// Purpose: Proximal Policy Optimization (PPO) in Ternary
// Author:  RFI-IRFOS
// Ref:     https://ternlang.com

fn clip_ratio_trit(ratio: float, epsilon: float) -> trit {
    if ratio > (1.0 + epsilon) { return reject; } // Clipped
    if ratio < (1.0 - epsilon) { return reject; } // Clipped
    return affirm; // Unclipped
}

fn ppo_loss_trit(clipped: trit, unclipped: trit) -> trit {
    if clipped == reject { return tend; } // Sparse update: no gradient
    return affirm;
}

fn kl_early_stop_trit(kl_div: float, target: float) -> trit {
    if kl_div > target { return affirm; } // Stop!
    return tend; // Continue
}