Function zhbgst_

extern(C) void zhbgst_ (
  char* vect,
  char* uplo,
  int* n,
  int* ka,
  int* kb,
  std.complex.Complex!(double)* ab,
  int* ldab,
  std.complex.Complex!(double)* bb,
  int* ldbb,
  std.complex.Complex!(double)* x,
  int* ldx,
  std.complex.Complex!(double)* work,
  double* rwork,
  int* info,
  int vect_len,
  int uplo_len
);