Function shsein_

Computes specified right and/or left eigenvectors of an upper Hessenberg matrix by inverse iteration.

extern(C) void shsein_ (
  char* side,
  char* eigsrc,
  char* initv,
  int* select,
  int* n,
  float* h,
  int* ldh,
  float* wr,
  float* wi,
  float* vl,
  int* ldvl,
  float* vr,
  int* ldvr,
  int* mm,
  int* m,
  float* work,
  int* ifaill,
  int* ifailr,
  int* info,
  int side_len,
  int eigsrc_len,
  int initv_len
);