modules/ml-ext/ml/src/main/java/org/apache/ignite/ml/regressions/logistic/LogisticRegressionModel.java [180:206]:
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        return Double.compare(mdl.intercept, intercept) == 0
            && Double.compare(mdl.threshold, threshold) == 0
            && Boolean.compare(mdl.isKeepingRawLabels, isKeepingRawLabels) == 0
            && Objects.equals(weights, mdl.weights);
    }

    /** {@inheritDoc} */
    @Override public int hashCode() {
        return Objects.hash(weights, intercept, isKeepingRawLabels, threshold);
    }

    /** {@inheritDoc} */
    @Override public String toString() {
        if (weights.size() < 20) {
            StringBuilder builder = new StringBuilder();

            for (int i = 0; i < weights.size(); i++) {
                double nextItem = i == weights.size() - 1 ? intercept : weights.get(i + 1);

                builder.append(String.format("%.4f", Math.abs(weights.get(i))))
                    .append("*x")
                    .append(i)
                    .append(nextItem > 0 ? " + " : " - ");
            }

            builder.append(String.format("%.4f", Math.abs(intercept)));
            return builder.toString();
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modules/ml-ext/ml/src/main/java/org/apache/ignite/ml/svm/SVMLinearClassificationModel.java [169:195]:
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        return Double.compare(mdl.intercept, intercept) == 0
            && Double.compare(mdl.threshold, threshold) == 0
            && Boolean.compare(mdl.isKeepingRawLabels, isKeepingRawLabels) == 0
            && Objects.equals(weights, mdl.weights);
    }

    /** {@inheritDoc} */
    @Override public int hashCode() {
        return Objects.hash(weights, intercept, isKeepingRawLabels, threshold);
    }

    /** {@inheritDoc} */
    @Override public String toString() {
        if (weights.size() < 20) {
            StringBuilder builder = new StringBuilder();

            for (int i = 0; i < weights.size(); i++) {
                double nextItem = i == weights.size() - 1 ? intercept : weights.get(i + 1);

                builder.append(String.format("%.4f", Math.abs(weights.get(i))))
                    .append("*x")
                    .append(i)
                    .append(nextItem > 0 ? " + " : " - ");
            }

            builder.append(String.format("%.4f", Math.abs(intercept)));
            return builder.toString();
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