Setting matrix(1,1) = 2.1
Displaying matrix(1,1)
2.1
Displaying indices1, indices2, and values_data.  Why are there 3?
1,7411504,1546663472,
1,7411504,1953384796,
2.1,3.38601e-061,6.78969e+199,
Setting matrix(0,1) = 1.1
Displaying indices1, indices2, and values_data.  Looks OK to me.
1,0,1546663472,
1,1,1953384796,
2.1,1.1,6.78969e+199,
Displaying matrix(1,1).  This might be doing a sort that breaks the values?
2.1
Displaying indices1, indices2, and values_data.  Messed up now after the read.
0,1,1546663472,
1,1,1953384796,
1.1,2.1,6.78969e+199,