Function stgexc_
Reorders the generalized real Schur decomposition of a real matrix pair (A,B) using an orthogonal equivalence transformation so that the diagonal block of (A,B) with row index IFST is moved to row ILST.
extern(C) void stgexc_
(
int* wantq,
int* wantz,
int* n,
float* a,
int* lda,
float* b,
int* ldb,
float* q,
int* ldq,
float* z,
int* ldz,
int* ifst,
int* ilst,
float* work,
int* lwork,
int* info
);