public function dataProviderForTwoSidedCL()
{
return [[1, 0, 0], [1, 50, 1.0], [1, 60, 1.376], [1, 95, 12.71], [1, 99.8, 318.3], [1, 99.90000000000001, 636.6], [10, 0, 0], [10, 50, 0.7], [10, 60, 0.879], [10, 90, 1.812], [10, 99, 3.169], [10, 99.90000000000001, 4.587], ['infinity', 0, 0], ['infinity', 50, 0.674], ['infinity', 95, 1.96], ['infinity', 99.90000000000001, 3.291]];
}