--- rpl/lapack/lapack/dtgexc.f 2010/12/21 13:53:40 1.8 +++ rpl/lapack/lapack/dtgexc.f 2011/07/22 07:38:12 1.9 @@ -1,10 +1,10 @@ SUBROUTINE DTGEXC( WANTQ, WANTZ, N, A, LDA, B, LDB, Q, LDQ, Z, $ LDZ, IFST, ILST, WORK, LWORK, INFO ) * -* -- LAPACK routine (version 3.2.2) -- +* -- LAPACK routine (version 3.3.1) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* June 2010 +* -- April 2011 -- * * .. Scalar Arguments .. LOGICAL WANTQ, WANTZ @@ -21,7 +21,7 @@ * DTGEXC reorders the generalized real Schur decomposition of a real * matrix pair (A,B) using an orthogonal equivalence transformation * -* (A, B) = Q * (A, B) * Z', +* (A, B) = Q * (A, B) * Z**T, * * so that the diagonal block of (A, B) with row index IFST is moved * to row ILST. @@ -33,8 +33,8 @@ * Optionally, the matrices Q and Z of generalized Schur vectors are * updated. * -* Q(in) * A(in) * Z(in)' = Q(out) * A(out) * Z(out)' -* Q(in) * B(in) * Z(in)' = Q(out) * B(out) * Z(out)' +* Q(in) * A(in) * Z(in)**T = Q(out) * A(out) * Z(out)**T +* Q(in) * B(in) * Z(in)**T = Q(out) * B(out) * Z(out)**T * * * Arguments