--- rpl/lapack/lapack/dpstf2.f	2014/01/27 09:28:26	1.11
+++ rpl/lapack/lapack/dpstf2.f	2015/11/26 11:44:19	1.12
@@ -1,4 +1,4 @@
-*> \brief \b DPSTF2 computes the Cholesky factorization with complete pivoting of a real symmetric or complex Hermitian positive semi-definite matrix.
+*> \brief \b DPSTF2 computes the Cholesky factorization with complete pivoting of a real symmetric positive semidefinite matrix.
 *
 *  =========== DOCUMENTATION ===========
 *
@@ -121,8 +121,9 @@
 *>          < 0: If INFO = -K, the K-th argument had an illegal value,
 *>          = 0: algorithm completed successfully, and
 *>          > 0: the matrix A is either rank deficient with computed rank
-*>               as returned in RANK, or is indefinite.  See Section 7 of
-*>               LAPACK Working Note #161 for further information.
+*>               as returned in RANK, or is not positive semidefinite. See
+*>               Section 7 of LAPACK Working Note #161 for further
+*>               information.
 *> \endverbatim
 *
 *  Authors:
@@ -133,17 +134,17 @@
 *> \author Univ. of Colorado Denver 
 *> \author NAG Ltd. 
 *
-*> \date September 2012
+*> \date November 2015
 *
 *> \ingroup doubleOTHERcomputational
 *
 *  =====================================================================
       SUBROUTINE DPSTF2( UPLO, N, A, LDA, PIV, RANK, TOL, WORK, INFO )
 *
-*  -- LAPACK computational routine (version 3.4.2) --
+*  -- LAPACK computational routine (version 3.6.0) --
 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-*     September 2012
+*     November 2015
 *
 *     .. Scalar Arguments ..
       DOUBLE PRECISION   TOL
@@ -216,7 +217,7 @@
             AJJ = A( PVT, PVT )
          END IF
       END DO
-      IF( AJJ.EQ.ZERO.OR.DISNAN( AJJ ) ) THEN
+      IF( AJJ.LE.ZERO.OR.DISNAN( AJJ ) ) THEN
          RANK = 0
          INFO = 1
          GO TO 170