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version 1.7, 2010/12/21 13:53:53
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version 1.8, 2011/07/22 07:38:19
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| SUBROUTINE ZPOTRF( UPLO, N, A, LDA, INFO ) |
SUBROUTINE ZPOTRF( UPLO, N, A, LDA, INFO ) |
| * |
* |
| * -- LAPACK routine (version 3.2) -- |
* -- LAPACK routine (version 3.3.1) -- |
| * -- 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 |
* -- April 2011 -- |
| * |
* |
| * .. Scalar Arguments .. |
* .. Scalar Arguments .. |
| CHARACTER UPLO |
CHARACTER UPLO |
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| * triangular part of A is not referenced. |
* triangular part of A is not referenced. |
| * |
* |
| * On exit, if INFO = 0, the factor U or L from the Cholesky |
* On exit, if INFO = 0, the factor U or L from the Cholesky |
| * factorization A = U**H*U or A = L*L**H. |
* factorization A = U**H *U or A = L*L**H. |
| * |
* |
| * 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). |
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| * |
* |
| IF( UPPER ) THEN |
IF( UPPER ) THEN |
| * |
* |
| * Compute the Cholesky factorization A = U'*U. |
* Compute the Cholesky factorization A = U**H *U. |
| * |
* |
| DO 10 J = 1, N, NB |
DO 10 J = 1, N, NB |
| * |
* |
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| * |
* |
| ELSE |
ELSE |
| * |
* |
| * Compute the Cholesky factorization A = L*L'. |
* Compute the Cholesky factorization A = L*L**H. |
| * |
* |
| DO 20 J = 1, N, NB |
DO 20 J = 1, N, NB |
| * |
* |
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