Function cungtr_
Generates the unitary transformation matrix from a reduction to tridiagonal form determined by CHETRD.
extern(C) void cungtr_
(
char* uplo,
int* n,
std .complex .Complex!(float)* a,
int* lda,
std .complex .Complex!(float)* tau,
std .complex .Complex!(float)* work,
int* lwork,
int* info,
int uplo_len
);