version 1.17, 2017/06/17 11:06:41
|
version 1.20, 2023/08/07 08:39:16
|
Line 100
|
Line 100
|
*> |
*> |
*> \param[out] TAUQ |
*> \param[out] TAUQ |
*> \verbatim |
*> \verbatim |
*> TAUQ is COMPLEX*16 array dimension (min(M,N)) |
*> TAUQ is COMPLEX*16 array, dimension (min(M,N)) |
*> The scalar factors of the elementary reflectors which |
*> The scalar factors of the elementary reflectors which |
*> represent the unitary matrix Q. See Further Details. |
*> represent the unitary matrix Q. See Further Details. |
*> \endverbatim |
*> \endverbatim |
Line 132
|
Line 132
|
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date December 2016 |
|
* |
|
*> \ingroup complex16GEcomputational |
*> \ingroup complex16GEcomputational |
* |
* |
*> \par Further Details: |
*> \par Further Details: |
Line 189
|
Line 187
|
* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZGEBD2( M, N, A, LDA, D, E, TAUQ, TAUP, WORK, INFO ) |
SUBROUTINE ZGEBD2( M, N, A, LDA, D, E, TAUQ, TAUP, WORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.7.0) -- |
* -- LAPACK computational routine -- |
* -- 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..-- |
* December 2016 |
|
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, M, N |
INTEGER INFO, LDA, M, N |
Line 247
|
Line 244
|
ALPHA = A( I, I ) |
ALPHA = A( I, I ) |
CALL ZLARFG( M-I+1, ALPHA, A( MIN( I+1, M ), I ), 1, |
CALL ZLARFG( M-I+1, ALPHA, A( MIN( I+1, M ), I ), 1, |
$ TAUQ( I ) ) |
$ TAUQ( I ) ) |
D( I ) = ALPHA |
D( I ) = DBLE( ALPHA ) |
A( I, I ) = ONE |
A( I, I ) = ONE |
* |
* |
* Apply H(i)**H to A(i:m,i+1:n) from the left |
* Apply H(i)**H to A(i:m,i+1:n) from the left |
Line 266
|
Line 263
|
ALPHA = A( I, I+1 ) |
ALPHA = A( I, I+1 ) |
CALL ZLARFG( N-I, ALPHA, A( I, MIN( I+2, N ) ), LDA, |
CALL ZLARFG( N-I, ALPHA, A( I, MIN( I+2, N ) ), LDA, |
$ TAUP( I ) ) |
$ TAUP( I ) ) |
E( I ) = ALPHA |
E( I ) = DBLE( ALPHA ) |
A( I, I+1 ) = ONE |
A( I, I+1 ) = ONE |
* |
* |
* Apply G(i) to A(i+1:m,i+1:n) from the right |
* Apply G(i) to A(i+1:m,i+1:n) from the right |
Line 291
|
Line 288
|
ALPHA = A( I, I ) |
ALPHA = A( I, I ) |
CALL ZLARFG( N-I+1, ALPHA, A( I, MIN( I+1, N ) ), LDA, |
CALL ZLARFG( N-I+1, ALPHA, A( I, MIN( I+1, N ) ), LDA, |
$ TAUP( I ) ) |
$ TAUP( I ) ) |
D( I ) = ALPHA |
D( I ) = DBLE( ALPHA ) |
A( I, I ) = ONE |
A( I, I ) = ONE |
* |
* |
* Apply G(i) to A(i+1:m,i:n) from the right |
* Apply G(i) to A(i+1:m,i:n) from the right |
Line 310
|
Line 307
|
ALPHA = A( I+1, I ) |
ALPHA = A( I+1, I ) |
CALL ZLARFG( M-I, ALPHA, A( MIN( I+2, M ), I ), 1, |
CALL ZLARFG( M-I, ALPHA, A( MIN( I+2, M ), I ), 1, |
$ TAUQ( I ) ) |
$ TAUQ( I ) ) |
E( I ) = ALPHA |
E( I ) = DBLE( ALPHA ) |
A( I+1, I ) = ONE |
A( I+1, I ) = ONE |
* |
* |
* Apply H(i)**H to A(i+1:m,i+1:n) from the left |
* Apply H(i)**H to A(i+1:m,i+1:n) from the left |