SHHEIG LIBRARY INDEX


Unblocked Subroutines


DGHFDF   Computing the eigenvalues and stable deflating subspaces of a real skew-Hamiltonian/Hamiltonian 
         pencil (factored version)

DGHFST   Computing the eigenvalues of a real skew-Hamiltonian/skew-Hamiltonian pencil (factored version)

DGHFXC   Moving eigenvalues with negative real parts of a real skew-Hamiltonian/Hamiltonian pencil in 
         structured Schur form to the leading subpencil (factored version)

DGHFYR   Reducing a special real block (anti-)diagonal skew-Hamiltonian/Hamiltonian pencil in factored form 
         to generalized Schur form (factored version)

DGHUDF   Computing the eigenvalues and stable deflating subspaces of a real skew-Hamiltonian/Hamiltonian 
         pencil (unfactored version)

DGHURV   Computing the eigenvalues of a real skew-Hamiltonian/Hamiltonian pencil via generalized symplectic 
         URV decomposition (factored version)

DGHUST   Computing the eigenvalues of a real skew-Hamiltonian/skew-Hamiltonian pencil (unfactored version)

DGHUTR   Computing the eigenvalues of a real skew-Hamiltonian/Hamiltonian pencil (unfactored version)

DGHUXC   Moving eigenvalues with negative real parts of a real skew-Hamiltonian/Hamiltonian pencil in 
         structured Schur form to the leading subpencil (unfactored version)

DGHUYR   Reducing a special real block (anti-)diagonal skew-Hamiltonian/Hamiltonian pencil in factored form 
         to generalized Schur form (unfactored version)

ZGHFDF   Computing the eigenvalues and stable deflating subspaces of a complex skew-Hamiltonian/Hamiltonian 
         pencil (factored version)

ZGHFXC   Moving eigenvalues with negative real parts of a complex skew-Hamiltonian/Hamiltonian pencil in 
         structured Schur form to the leading subpencil (factored version)

ZGHUDF   Computing the eigenvalues and stable deflating subspaces of a complex skew-Hamiltonian/Hamiltonian 
         pencil (unfactored version)

ZGHUXC   Moving eigenvalues with negative real parts of a complex skew-Hamiltonian/Hamiltonian pencil in 
         structured Schur form to the leading subpencil (unfactored version)
         

Blocked Subroutines


DGHUDP   Computing the eigenvalues and stable deflating subspaces of a real skew-Hamiltonian/Hamiltonian 
         pencil (unfactored version)

DGHUSP   Computing the eigenvalues of a real skew-Hamiltonian/skew-Hamiltonian pencil (unfactored version)

DGHUTP   Computing the eigenvalues of a real skew-Hamiltonian/Hamiltonian pencil (unfactored version)

DGHUXP   Moving eigenvalues with negative real parts of a real skew-Hamiltonian/Hamiltonian pencil in 
         structured Schur form to the leading subpencil (unfactored version)

ZGHUDP   Computing the eigenvalues and stable deflating subspaces of a complex skew-Hamiltonian/Hamiltonian 
         pencil (unfactored version)

ZGHUXP   Moving eigenvalues with negative real parts of a complex skew-Hamiltonian/Hamiltonian pencil in 
         structured Schur form to the leading subpencil (unfactored version)
         

Elementary Subroutines


DGHFET   Reducing a real 2-by-2 or 4-by-4 block (anti-)diagonal skew-Hamiltonian/Hamiltonian pencil to 
         generalized Schur form and moving eigenvalues with negative real parts to the top (factored version)

DGHFEX   Exchanging eigenvalues of a real 2-by-2, 3-by-3, or 4-by-4 block upper triangular pencil (factored 
         version)

DGHFEY   Exchanging eigenvalues of a real 2-by-2 or 4-by-4 block upper triangular 
         skew-Hamiltonian/Hamiltonian pencil (factored version)

DGHUET   Reducing a real 2-by-2 or 4-by-4 block (anti-)diagonal skew-Hamiltonian/Hamiltonian pencil to 
         generalized Schur form and moving eigenvalues with negative real parts to the top (unfactored version)

DGHUEX   Exchanging eigenvalues of a real 2-by-2, 3-by-3, or 4-by-4 block upper triangular pencil 
         (unfactored version)

DGHUEY   Exchanging eigenvalues of a real 2-by-2 or 4-by-4 block upper triangular 
         skew-Hamiltonian/Hamiltonian pencil (unfactored version)

DLACPV   Copying a real vector to another real vector (used for calls involving %VAL constructs)

ZGHFEX   Exchanging eigenvalues of a complex 2-by-2 upper triangular pencil (factored version)

ZGHFEY   Exchanging eigenvalues of a complex 2-by-2 skew-Hamiltonian/Hamiltonian pencil in structured Schur 
         form (factored version)

ZGHUEX   Exchanging eigenvalues of a complex 2-by-2 upper triangular pencil (unfactored version)

ZGHUEY   Exchanging eigenvalues of a complex 2-by-2 skew-Hamiltonian/Hamiltonian pencil in structured Schur 
         form (unfactored version)

ZLACPV   Copying a real vector to a complex vector (used for calls involving %VAL constructs)