Function zstegr_

extern(C) void zstegr_ (
  char* jobz,
  char* range,
  int* n,
  double* d,
  double* e,
  double* vl,
  double* vu,
  int* il,
  int* iu,
  double* abstol,
  int* m,
  double* w,
  std.complex.Complex!(double)* z,
  int* ldz,
  int* isuppz,
  double* work,
  int* lwork,
  int* iwork,
  int* liwork,
  int* info,
  int jobz_len,
  int range_len
);