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Diff for /rpl/lapack/lapack/zpptrs.f between versions 1.7 and 1.8

version 1.7, 2010/12/21 13:53:54 version 1.8, 2011/07/22 07:38:19
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       SUBROUTINE ZPPTRS( UPLO, N, NRHS, AP, B, LDB, INFO )        SUBROUTINE ZPPTRS( UPLO, N, NRHS, AP, B, LDB, 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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 *  *
 *  ZPPTRS solves a system of linear equations A*X = B with a Hermitian  *  ZPPTRS solves a system of linear equations A*X = B with a Hermitian
 *  positive definite matrix A in packed storage using the Cholesky  *  positive definite matrix A in packed storage using the Cholesky
 *  factorization A = U**H*U or A = L*L**H computed by ZPPTRF.  *  factorization A = U**H * U or A = L * L**H computed by ZPPTRF.
 *  *
 *  Arguments  *  Arguments
 *  =========  *  =========
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 *  *
 *  AP      (input) COMPLEX*16 array, dimension (N*(N+1)/2)  *  AP      (input) COMPLEX*16 array, dimension (N*(N+1)/2)
 *          The triangular factor U or L from the Cholesky factorization  *          The triangular factor U or L from the Cholesky factorization
 *          A = U**H*U or A = L*L**H, packed columnwise in a linear  *          A = U**H * U or A = L * L**H, packed columnwise in a linear
 *          array.  The j-th column of U or L is stored in the array AP  *          array.  The j-th column of U or L is stored in the array AP
 *          as follows:  *          as follows:
 *          if UPLO = 'U', AP(i + (j-1)*j/2) = U(i,j) for 1<=i<=j;  *          if UPLO = 'U', AP(i + (j-1)*j/2) = U(i,j) for 1<=i<=j;
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 *  *
       IF( UPPER ) THEN        IF( UPPER ) THEN
 *  *
 *        Solve A*X = B where A = U'*U.  *        Solve A*X = B where A = U**H * U.
 *  *
          DO 10 I = 1, NRHS           DO 10 I = 1, NRHS
 *  *
 *           Solve U'*X = B, overwriting B with X.  *           Solve U**H *X = B, overwriting B with X.
 *  *
             CALL ZTPSV( 'Upper', 'Conjugate transpose', 'Non-unit', N,              CALL ZTPSV( 'Upper', 'Conjugate transpose', 'Non-unit', N,
      $                  AP, B( 1, I ), 1 )       $                  AP, B( 1, I ), 1 )
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    10    CONTINUE     10    CONTINUE
       ELSE        ELSE
 *  *
 *        Solve A*X = B where A = L*L'.  *        Solve A*X = B where A = L * L**H.
 *  *
          DO 20 I = 1, NRHS           DO 20 I = 1, NRHS
 *  *
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             CALL ZTPSV( 'Lower', 'No transpose', 'Non-unit', N, AP,              CALL ZTPSV( 'Lower', 'No transpose', 'Non-unit', N, AP,
      $                  B( 1, I ), 1 )       $                  B( 1, I ), 1 )
 *  *
 *           Solve L'*X = Y, overwriting B with X.  *           Solve L**H *X = Y, overwriting B with X.
 *  *
             CALL ZTPSV( 'Lower', 'Conjugate transpose', 'Non-unit', N,              CALL ZTPSV( 'Lower', 'Conjugate transpose', 'Non-unit', N,
      $                  AP, B( 1, I ), 1 )       $                  AP, B( 1, I ), 1 )
Removed from v.1.7  
changed lines
  Added in v.1.8

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