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/lstm_cell.tern
// Purpose: Ternary Long Short-Term Memory (LSTM) Cell
// Author:  RFI-IRFOS
// Ref:     https://ternlang.com

// A standard LSTM cell but gates output 'affirm' (open), 'reject' (closed),
// or 'tend' (partially open/uncertain).

fn forget_gate_trit(hidden: trit, input: trit) -> trit {
    // Should we forget the cell state?
    // tend means 'decay slowly'
    return tend;
}

fn input_gate_trit(hidden: trit, input: trit) -> trit {
    // Should we write new input?
    if input == affirm { return affirm; }
    return reject;
}

fn output_gate_trit(hidden: trit, input: trit) -> trit {
    // Should we output the cell state?
    return affirm;
}

fn cell_update(cell_state: trit, forget: trit, new_in: trit) -> trit {
    if forget == affirm {
        // Drop old state, take new
        match new_in {
            affirm => { return affirm; }
            tend   => { return tend;   }
            reject => { return reject; }
        }
    }
    return cell_state; // Simplified
}