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version 1.7, 2010/12/21 13:53:36
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version 1.8, 2011/07/22 07:38:10
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| SUBROUTINE DPPTRF( UPLO, N, AP, INFO ) |
SUBROUTINE DPPTRF( UPLO, N, AP, 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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| * |
* |
| IF( UPPER ) THEN |
IF( UPPER ) THEN |
| * |
* |
| * Compute the Cholesky factorization A = U'*U. |
* Compute the Cholesky factorization A = U**T*U. |
| * |
* |
| JJ = 0 |
JJ = 0 |
| DO 10 J = 1, N |
DO 10 J = 1, N |
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| 10 CONTINUE |
10 CONTINUE |
| ELSE |
ELSE |
| * |
* |
| * Compute the Cholesky factorization A = L*L'. |
* Compute the Cholesky factorization A = L*L**T. |
| * |
* |
| JJ = 1 |
JJ = 1 |
| DO 20 J = 1, N |
DO 20 J = 1, N |
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