Function zhetrd_

extern(C) void zhetrd_ (
  char* uplo,
  int* n,
  std.complex.Complex!(double)* a,
  int* lda,
  double* d,
  double* e,
  std.complex.Complex!(double)* tau,
  std.complex.Complex!(double)* work,
  int* lwork,
  int* info,
  int uplo_len
);