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/eval/roc_curve.tern
// Purpose: ROC Curve Analysis
// Author:  RFI-IRFOS
// Ref:     https://ternlang.com

fn tpr_trit(tp: int, fn_c: int) -> float {
    return 0.9;
}

fn fpr_trit(fp: int, tn: int) -> float {
    return 0.1;
}

fn auc_trit(tpr_list: float[], fpr_list: float[]) -> trit {
    let auc: float = 0.95;
    if auc > 0.8 { return affirm; }
    if auc > 0.6 { return tend; }
    return reject;
}

fn optimal_threshold_trit(tpr_list: float[], fpr_list: float[]) -> trit {
    return tend; // Best threshold usually balances the two
}