code: public static int cusolverSpScsreigvsiHost(
          cusolverSpHandle handle, 
          int m, 
          int nnz, 
          cusparseMatDescr descrA, 
          Pointer csrValA, 
          Pointer csrRowPtrA, 
          Pointer csrColIndA, 
          float mu0, 
          Pointer x0, 
          int maxite, 
          float tol, 
          Pointer mu, 
          Pointer x)
      {
          return checkResult(cusolverSpScsreigvsiHostNative(handle, m, nnz, descrA, csrValA, csrRowPtrA, csrColIndA, mu0, x0, maxite, tol, mu, x));
      }
docs: <pre>
  --------- CPU eigenvalue solver by shift inverse
  solve A*x = lambda * x
  where lambda is the eigenvalue nearest mu0.
  [eig] stands for eigenvalue solver
  [si] stands for shift-inverse
  </pre>