Function dtgsen_
extern(C) void dtgsen_
(
int* ijob,
int* wantq,
int* wantz,
int* select,
int* n,
double* a,
int* lda,
double* b,
int* ldb,
double* alphar,
double* alphai,
double* betav,
double* q,
int* ldq,
double* z,
int* ldz,
int* m,
double* pl,
double* pr,
double* dif,
double* work,
int* lwork,
int* iwork,
int* liwork,
int* info
);