comb_0 tanh
comb_1 cubert
comb_3 cube
comb_4 atan
comb_5 log
comb_6 lin
comb_7 sqrt
comb_8 cos
comb_9 sin
comb_10 exp
comb_11 square
comb_13 acos
comb_14 asin
comb_15 atanh
comb_16 asinh
comb_17 tan