public function dataProviderForComplementaryErrorFunction()
{
return [[0, 1], [1, 0.15729920705028513], [-1, 1.8427007929497148], [2, 0.004677734981047266], [3.4, 1.5219933628622853E-6], [0.154, 0.8275936023803409], [-2.31, 1.9989124231037], [-1.034, 1.8563401113750202]];
}