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/nn/dropout.tern
// Purpose: Ternary Dropout Layer implementation
// Author:  RFI-IRFOS
// Ref:     https://ternlang.com

// In ternary dropout, dropped units do not become zero-valued floats.
// They explicitly become the 'tend' state, meaning "data intentionally missing".

fn drop_trit(val: trit, drop_prob: float) -> trit {
    // If the unit is dropped, we return 'tend'.
    let dropped: trit = reject; // Simulated randomness check
    
    if dropped == affirm {
        return tend;
    }
    
    match val {
        affirm => { return affirm; }
        tend   => { return tend;   }
        reject => { return reject; }
    }
}

fn apply_mask(input: trittensor<4 x 1>, mask: trittensor<4 x 1>) -> trittensor<4 x 1> {
    // Mask contains affirm (keep) or reject (drop).
    // If drop, set input element to tend.
    let i: int = 0;
    while i < 4 {
        if mask[i, 0] == reject {
            input[i, 0] = tend;
        }
        i = i + 1;
    }
    return input;
}