Function chptrd_
Reduces a Hermitian matrix in packed storage to real symmetric tridiagonal form by a unitary similarity transformation.
extern(C) void chptrd_
(
char* uplo,
int* n,
std .complex .Complex!(float)* ap,
float* d,
float* e,
std .complex .Complex!(float)* tau,
int* info,
int uplo_len
);