version 1.5, 2018/05/29 07:18:32
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version 1.7, 2023/08/07 08:39:34
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*> |
*> |
*> \verbatim |
*> \verbatim |
*> |
*> |
*> ZPOTRF2 computes the Cholesky factorization of a real symmetric |
*> ZPOTRF2 computes the Cholesky factorization of a Hermitian |
*> positive definite matrix A using the recursive algorithm. |
*> positive definite matrix A using the recursive algorithm. |
*> |
*> |
*> The factorization has the form |
*> The factorization has the form |
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*> \param[in,out] A |
*> \param[in,out] A |
*> \verbatim |
*> \verbatim |
*> A is COMPLEX*16 array, dimension (LDA,N) |
*> A is COMPLEX*16 array, dimension (LDA,N) |
*> On entry, the symmetric matrix A. If UPLO = 'U', the leading |
*> On entry, the Hermitian matrix A. If UPLO = 'U', the leading |
*> N-by-N upper triangular part of A contains the upper |
*> N-by-N upper triangular part of A contains the upper |
*> triangular part of the matrix A, and the strictly lower |
*> triangular part of the matrix A, and the strictly lower |
*> triangular part of A is not referenced. If UPLO = 'L', the |
*> triangular part of A is not referenced. If UPLO = 'L', the |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date December 2016 |
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* |
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*> \ingroup complex16POcomputational |
*> \ingroup complex16POcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
RECURSIVE SUBROUTINE ZPOTRF2( UPLO, N, A, LDA, INFO ) |
RECURSIVE SUBROUTINE ZPOTRF2( UPLO, N, A, LDA, 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 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO |
CHARACTER UPLO |