version 1.1.1.1, 2010/01/26 15:22:45
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version 1.5, 2010/08/07 13:18:08
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SUBROUTINE DTGEXC( WANTQ, WANTZ, N, A, LDA, B, LDB, Q, LDQ, Z, |
SUBROUTINE DTGEXC( WANTQ, WANTZ, N, A, LDA, B, LDB, Q, LDQ, Z, |
$ LDZ, IFST, ILST, WORK, LWORK, INFO ) |
$ LDZ, IFST, ILST, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK routine (version 3.2) -- |
* -- LAPACK routine (version 3.2.2) -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* November 2006 |
* June 2010 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
LOGICAL WANTQ, WANTZ |
LOGICAL WANTQ, WANTZ |
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* On exit, the updated matrix A, again in generalized |
* On exit, the updated matrix A, again in generalized |
* real Schur canonical form. |
* real Schur canonical form. |
* |
* |
* LDA (input) INTEGER |
* LDA (input) INTEGER |
* The leading dimension of the array A. LDA >= max(1,N). |
* The leading dimension of the array A. LDA >= max(1,N). |
* |
* |
* B (input/output) DOUBLE PRECISION array, dimension (LDB,N) |
* B (input/output) DOUBLE PRECISION array, dimension (LDB,N) |
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* On exit, the updated matrix B, again in generalized |
* On exit, the updated matrix B, again in generalized |
* real Schur canonical form (A,B). |
* real Schur canonical form (A,B). |
* |
* |
* LDB (input) INTEGER |
* LDB (input) INTEGER |
* The leading dimension of the array B. LDB >= max(1,N). |
* The leading dimension of the array B. LDB >= max(1,N). |
* |
* |
* Q (input/output) DOUBLE PRECISION array, dimension (LDZ,N) |
* Q (input/output) DOUBLE PRECISION array, dimension (LDQ,N) |
* On entry, if WANTQ = .TRUE., the orthogonal matrix Q. |
* On entry, if WANTQ = .TRUE., the orthogonal matrix Q. |
* On exit, the updated matrix Q. |
* On exit, the updated matrix Q. |
* If WANTQ = .FALSE., Q is not referenced. |
* If WANTQ = .FALSE., Q is not referenced. |