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Diff for /rpl/lapack/lapack/zpotf2.f between versions 1.9 and 1.19

version 1.9, 2011/11/21 20:43:19 version 1.19, 2023/08/07 08:39:34
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 *> \brief \b ZPOTF2  *> \brief \b ZPOTF2 computes the Cholesky factorization of a symmetric/Hermitian positive definite matrix (unblocked algorithm).
 *  *
 *  =========== DOCUMENTATION ===========  *  =========== DOCUMENTATION ===========
 *  *
 * Online html documentation available at   * Online html documentation available at
 *            http://www.netlib.org/lapack/explore-html/   *            http://www.netlib.org/lapack/explore-html/
 *  *
 *> \htmlonly  *> \htmlonly
 *> Download ZPOTF2 + dependencies   *> Download ZPOTF2 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zpotf2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zpotf2.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zpotf2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zpotf2.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zpotf2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zpotf2.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE ZPOTF2( UPLO, N, A, LDA, INFO )  *       SUBROUTINE ZPOTF2( UPLO, N, A, LDA, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       CHARACTER          UPLO  *       CHARACTER          UPLO
 *       INTEGER            INFO, LDA, N  *       INTEGER            INFO, LDA, N
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 *       .. Array Arguments ..  *       .. Array Arguments ..
 *       COMPLEX*16         A( LDA, * )  *       COMPLEX*16         A( LDA, * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *  Authors:  *  Authors:
 *  ========  *  ========
 *  *
 *> \author Univ. of Tennessee   *> \author Univ. of Tennessee
 *> \author Univ. of California Berkeley   *> \author Univ. of California Berkeley
 *> \author Univ. of Colorado Denver   *> \author Univ. of Colorado Denver
 *> \author NAG Ltd.   *> \author NAG Ltd.
 *  
 *> \date November 2011  
 *  *
 *> \ingroup complex16POcomputational  *> \ingroup complex16POcomputational
 *  *
 *  =====================================================================  *  =====================================================================
       SUBROUTINE ZPOTF2( UPLO, N, A, LDA, INFO )        SUBROUTINE ZPOTF2( UPLO, N, A, LDA, INFO )
 *  *
 *  -- LAPACK computational routine (version 3.4.0) --  *  -- 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..--
 *     November 2011  
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       CHARACTER          UPLO        CHARACTER          UPLO
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 *  *
 *           Compute U(J,J) and test for non-positive-definiteness.  *           Compute U(J,J) and test for non-positive-definiteness.
 *  *
             AJJ = DBLE( A( J, J ) ) - ZDOTC( J-1, A( 1, J ), 1,              AJJ = DBLE( A( J, J ) ) - DBLE( ZDOTC( J-1, A( 1, J ), 1,
      $            A( 1, J ), 1 )       $            A( 1, J ), 1 ) )
             IF( AJJ.LE.ZERO.OR.DISNAN( AJJ ) ) THEN              IF( AJJ.LE.ZERO.OR.DISNAN( AJJ ) ) THEN
                A( J, J ) = AJJ                 A( J, J ) = AJJ
                GO TO 30                 GO TO 30
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 *  *
 *           Compute L(J,J) and test for non-positive-definiteness.  *           Compute L(J,J) and test for non-positive-definiteness.
 *  *
             AJJ = DBLE( A( J, J ) ) - ZDOTC( J-1, A( J, 1 ), LDA,              AJJ = DBLE( A( J, J ) ) - DBLE( ZDOTC( J-1, A( J, 1 ), LDA,
      $            A( J, 1 ), LDA )       $            A( J, 1 ), LDA ) )
             IF( AJJ.LE.ZERO.OR.DISNAN( AJJ ) ) THEN              IF( AJJ.LE.ZERO.OR.DISNAN( AJJ ) ) THEN
                A( J, J ) = AJJ                 A( J, J ) = AJJ
                GO TO 30                 GO TO 30
Removed from v.1.9  
changed lines
  Added in v.1.19

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