check_deriv.c running 
n=9, im=4, x=3.000000, r=78.875000, nu=78.875000, err=1.63851e-11 
n=10, im=4, x=3.000000, r=131.900000, nu=131.900000, err=6.54097e-10 
n=11, im=5, x=4.000000, r=-187.391667, nu=-187.391667, err=4.96917e-09 
n=12, im=5, x=4.000000, r=-312.119444, nu=-312.119444, err=4.58725e-08 
n=13, im=6, x=5.000000, r=452.120185, nu=452.120185, err=-2.25202e-07 
n=14, im=6, x=5.000000, r=754.103646, nu=754.103651, err=-4.90227e-06 
n=15, im=7, x=6.000000, r=-1112.845664, nu=-1112.845686, err=2.26517e-05 
n=16, im=7, x=6.000000, r=-1854.881294, nu=-1854.881380, err=8.58621e-05 
n=17, im=8, x=7.000000, r=2766.385097, nu=2766.384676, err=0.000421201 
n=18, im=9, x=8.000000, r=-3938.664064, nu=-3938.665655, err=0.00159103 
n=19, im=9, x=8.000000, r=-6839.204852, nu=-6839.251178, err=0.0463262 
n=20, im=9, x=8.000000, r=-11181.391026, nu=-11182.542248, err=1.15122 
n=21, im=10, x=9.000000, r=16414.580818, nu=16437.542924, err=-22.9621 
n=22, im=10, x=9.000000, r=25950.774728, nu=26142.785950, err=-192.011 
check_deriv.c ending