--- rpl/lapack/lapack/dsysv_aa_2stage.f	2018/05/29 14:48:39	1.1
+++ rpl/lapack/lapack/dsysv_aa_2stage.f	2020/05/21 21:46:02	1.2
@@ -45,7 +45,7 @@
 *> matrices.
 *>
 *> Aasen's 2-stage algorithm is used to factor A as
-*>    A = U * T * U**T,  if UPLO = 'U', or
+*>    A = U**T * T * U,  if UPLO = 'U', or
 *>    A = L * T * L**T,  if UPLO = 'L',
 *> where U (or L) is a product of permutation and unit upper (lower)
 *> triangular matrices, and T is symmetric and band. The matrix T is
@@ -107,6 +107,7 @@
 *>
 *> \param[in] LTB
 *> \verbatim
+*>          LTB is INTEGER
 *>          The size of the array TB. LTB >= 4*N, internally
 *>          used to select NB such that LTB >= (3*NB+1)*N.
 *>
@@ -126,7 +127,7 @@
 *>
 *> \param[out] IPIV2
 *> \verbatim
-*>          IPIV is INTEGER array, dimension (N)
+*>          IPIV2 is INTEGER array, dimension (N)
 *>          On exit, it contains the details of the interchanges, i.e.,
 *>          the row and column k of T were interchanged with the
 *>          row and column IPIV(k).
@@ -152,6 +153,7 @@
 *>
 *> \param[in] LWORK
 *> \verbatim
+*>          LWORK is INTEGER
 *>          The size of WORK. LWORK >= N, internally used to select NB
 *>          such that LWORK >= N*NB.
 *>
@@ -235,19 +237,18 @@
          INFO = -3
       ELSE IF( LDA.LT.MAX( 1, N ) ) THEN
          INFO = -5
+      ELSE IF( LTB.LT.( 4*N ) .AND. .NOT.TQUERY ) THEN
+         INFO = -7
       ELSE IF( LDB.LT.MAX( 1, N ) ) THEN
          INFO = -11
+      ELSE IF( LWORK.LT.N .AND. .NOT.WQUERY ) THEN
+         INFO = -13
       END IF
 *
       IF( INFO.EQ.0 ) THEN
          CALL DSYTRF_AA_2STAGE( UPLO, N, A, LDA, TB, -1, IPIV,
      $                          IPIV2, WORK, -1, INFO )
          LWKOPT = INT( WORK(1) )
-         IF( LTB.LT.INT( TB(1) ) .AND. .NOT.TQUERY ) THEN
-            INFO = -7
-         ELSE IF( LWORK.LT.LWKOPT .AND. .NOT.WQUERY ) THEN
-            INFO = -13
-         END IF
       END IF
 *
       IF( INFO.NE.0 ) THEN
@@ -258,7 +259,7 @@
       END IF
 *
 *
-*     Compute the factorization A = U*T*U**T or A = L*T*L**T.
+*     Compute the factorization A = U**T*T*U or A = L*T*L**T.
 *
       CALL DSYTRF_AA_2STAGE( UPLO, N, A, LDA, TB, LTB, IPIV, IPIV2,
      $                       WORK, LWORK, INFO )