RenjinScriptTaskResultsR.java 文件源码

@Override
public boolean[][] getBooleanMatrix(final String variable) {
    if (isNull(variable)) {
        return null;
    } else {
        try {
            final Matrix sexp = new Matrix((Vector) engine.unwrap().eval(variable));
            final boolean[][] matrix = new boolean[sexp.getNumRows()][];
            for (int row = 0; row < matrix.length; row++) {
                final boolean[] vector = new boolean[sexp.getNumCols()];
                for (int col = 0; col < vector.length; col++) {
                    vector[col] = sexp.getElementAsInt(row, col) > 0;
                }
                matrix[row] = vector;
            }
            return matrix;
        } catch (final ScriptException e) {
            throw new RuntimeException(e);
        }
    }
}