Function chbtrd_

Reduces a Hermitian band matrix to real symmetric tridiagonal form by a unitary similarity transformation.

extern(C) void chbtrd_ (
  char* vect,
  char* uplo,
  int* n,
  int* kd,
  std.complex.Complex!(float)* ab,
  int* ldab,
  float* d,
  float* e,
  std.complex.Complex!(float)* q,
  int* ldq,
  std.complex.Complex!(float)* work,
  int* info,
  int vect_len,
  int uplo_len
);