npontos=        100
 xmin_c1=      10.420000
 xmax_c1=       3.000000
 xmin_c2=       3.000000
 xmax_c2=   6.100000E-01
 xmin_comb=   6.100000E-01
 xmax_comb=   8.100000E-01
 xmin_exp=   8.100000E-01
 xmax_exp=      10.420000