get a NaN in print resoults when I use your code in my own data

[zhouwuxiong]

Hello, grateful for your open source work, I get a NaN in print resoults when I use your code in my own data. Could you please provide the data you used for the test?

there is my results
`
I: solve pose by EPnPEigen.
betas[1] = -nan, -nan, -nan, -nan
betas[1] = -nan, -nan, -nan, -nan
detR = 1

M = [-nan, -nan, -nan
-nan, -nan, -nan
-nan, -nan, -nan];

U = [1, 0, 0
0, 1, 0
0, 0, 1];

V = [1, 0, 0
0, 1, 0
0, 0, 1];

R = [1, 0, 0
0, 1, 0
0, 0, 1];

t = [-nan
-nan
-nan];
`

here is my imput data
camera.txt
input1.txt
model.txt

any help is grateful !!