LAPACK  3.6.0
LAPACK: Linear Algebra PACKage
lapack_int LAPACKE_dtgexc ( int  matrix_layout,
lapack_logical  wantq,
lapack_logical  wantz,
lapack_int  n,
double *  a,
lapack_int  lda,
double *  b,
lapack_int  ldb,
double *  q,
lapack_int  ldq,
double *  z,
lapack_int  ldz,
lapack_int ifst,
lapack_int ilst 
)