Function compare

libs/echarts/echarts.simple.js:22458–22468

(real, expect, operator)

}

function compare(real, expect, operator) {
    if (operator === 'min') {
        return real >= expect;
    }
    else if (operator === 'max') {
        return real <= expect;
    }
    else { // Equals
        return real === expect;
    }
}

function indicesEquals(indices1, indices2) {
    // indices is always order by asc and has only finite number.