LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
void LAPACK_dtgexc ( 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,
double *  work,
lapack_int lwork,
lapack_int info 
)

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