testdata.txt

1.9766350e+00 1.0000000e+00
2.0010805e+00 1.0000000e+00
2.2255985e+00 1.0000000e+00
2.6506326e+00 1.0000000e+00
2.1148524e+00 1.0000000e+00
1.8834962e+00 1.0000000e+00
2.0634631e+00 1.0000000e+00
1.7854598e+00 1.0000000e+00
2.0418279e+00 1.0000000e+00
2.5094280e+00 1.0000000e+00
2.2946221e+00 1.0000000e+00
1.7330754e+00 1.0000000e+00
1.4906278e+00 1.0000000e+00
2.1160651e+00 1.0000000e+00
2.0801648e+00 1.0000000e+00
2.4769063e+00 1.0000000e+00
1.6261126e+00 1.0000000e+00
2.2462628e+00 1.0000000e+00
2.0947377e+00 1.0000000e+00
2.0793428e+00 1.0000000e+00
2.8508527e+00 2.0000000e+00
2.7307422e+00 2.0000000e+00
2.6265671e+00 2.0000000e+00
2.3380366e+00 2.0000000e+00
3.3848712e+00 2.0000000e+00
2.6145054e+00 2.0000000e+00
2.9363731e+00 2.0000000e+00
2.6910012e+00 2.0000000e+00
2.5460269e+00 2.0000000e+00
2.8500756e+00 2.0000000e+00
3.6553671e+00 2.0000000e+00
3.3036594e+00 2.0000000e+00
2.8357094e+00 2.0000000e+00
3.0231970e+00 2.0000000e+00
2.6536566e+00 2.0000000e+00
2.7046401e+00 2.0000000e+00
3.1760373e+00 2.0000000e+00
3.2571051e+00 2.0000000e+00
3.4984745e+00 2.0000000e+00
2.5915909e+00 2.0000000e+00
2.8329497e+00 2.0000000e+00
3.1186539e+00 2.0000000e+00
3.1378744e+00 2.0000000e+00
2.8402540e+00 2.0000000e+00
3.2117682e+00 2.0000000e+00
3.2197677e+00 2.0000000e+00
2.6825648e+00 2.0000000e+00
2.1321241e+00 2.0000000e+00
2.8621455e+00 2.0000000e+00
2.4264782e+00 2.0000000e+00