Function shseqr_

Computes the eigenvalues and Schur factorization of an upper Hessenberg matrix, using the multishift QR algorithm.

extern(C) void shseqr_ (
  char* job,
  char* compz,
  int* n,
  int* ilo,
  int* ihi,
  float* h,
  int* ldh,
  float* wr,
  float* wi,
  float* z,
  int* ldz,
  float* work,
  int* lwork,
  int* info,
  int job_len,
  int compz_len
);