Function shsein_
Computes specified right and/or left eigenvectors of an upper Hessenberg matrix by inverse iteration.
extern(C) void shsein_
(
char* side,
char* eigsrc,
char* initv,
int* select,
int* n,
float* h,
int* ldh,
float* wr,
float* wi,
float* vl,
int* ldvl,
float* vr,
int* ldvr,
int* mm,
int* m,
float* work,
int* ifaill,
int* ifailr,
int* info,
int side_len,
int eigsrc_len,
int initv_len
);