Function stgsen_
Reorders the generalized real Schur decomposition of a real matrix pair (A, B) so that a selected cluster of eigenvalues appears in the leading diagonal blocks of the upper quasi-triangular matrix A and the upper triangular B.
extern(C) void stgsen_
(
int* ijob,
int* wantq,
int* wantz,
int* select,
int* n,
float* a,
int* lda,
float* b,
int* ldb,
float* alphar,
float* alphai,
float* betav,
float* q,
int* ldq,
float* z,
int* ldz,
int* m,
float* pl,
float* pr,
float* dif,
float* work,
int* lwork,
int* iwork,
int* liwork,
int* info
);