src/Eigen/eigenvalue.cpp:508: error: DEAD_STORE
  The value written to &tol (type double) is never used.
Showing all 1 steps of the trace


src/Eigen/eigenvalue.cpp:508:5: Write of unused value
506.   {
507.       dddd = (verbosity>=200);
508.       double tol=1e-6;
           ^
509.       long nconv=0;
510.       long nbev=1;