m n k: 4 2 2 values: 0.333333 0.471405 0.57735 0.666667 0.745356 0.816497 0.881917 0.942809 col_index: 0 1 0 1 1 2 1 2 row_start: 0 2 4 6 8 x: -100.89 -99.89 -98.89 -97.89 *********the col_index is impossible to be 2*********
m n k: 4 2 2
values: 0.333333 0.471405 0.57735 0.666667 0.745356 0.816497 0.881917 0.942809
col_index: 0 1 0 1 1 2 1 2
row_start: 0 2 4 6 8
x: -100.89 -99.89 -98.89 -97.89
the col_index is impossible to be 2