Merge pull request #3841 from martin-frbg/lapack755+764

Fix SLATRS3 and CLATRS3 tests in TESTING/LIN (Reference-LAPACK PRs 755+764)

Author: martin-frbg

lapack-netlib/SRC/iparam2stage.F

@@ -178,7 +178,8 @@ INTEGER FUNCTION IPARAM2STAGE( ISPEC, NAME, OPTS,
 *     ..
 *     .. External Functions ..
       INTEGER            ILAENV
-      EXTERNAL           ILAENV
+      LOGICAL            LSAME
+      EXTERNAL           ILAENV, LSAME
 *     ..
 *     .. Executable Statements ..
 *
@@ -310,7 +311,7 @@ INTEGER FUNCTION IPARAM2STAGE( ISPEC, NAME, OPTS,
 *
 *     Will add the VECT OPTION HERE next release
          VECT  = OPTS(1:1)
-         IF( VECT.EQ.'N' ) THEN
+         IF( LSAME( VECT, 'N' ) ) THEN
             LHOUS = MAX( 1, 4*NI )
          ELSE
 *           This is not correct, it need to call the ALGO and the stage2

lapack-netlib/TESTING/LIN/cchktr.f

@@ -541,7 +541,7 @@ SUBROUTINE CCHKTR( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
 *
                   SRNAMT = 'CLATRS3'
                   CALL CCOPY( N, X, 1, B, 1 )
-                  CALL CCOPY( N, X, 1, B, 1 )
+                  CALL CCOPY( N, X, 1, B( N+1 ), 1 )
                   CALL CSCAL( N, BIGNUM, B( N+1 ), 1 )
                   CALL CLATRS3( UPLO, TRANS, DIAG, 'N', N, 2, A, LDA,
      $                          B, MAX(1, N), SCALE3, RWORK, WORK, NMAX,
@@ -551,15 +551,15 @@ SUBROUTINE CCHKTR( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
 *
                   IF( INFO.NE.0 )
      $               CALL ALAERH( PATH, 'CLATRS3', INFO, 0,
-     $                            UPLO // TRANS // DIAG // 'Y', N, N,
+     $                            UPLO // TRANS // DIAG // 'N', N, N,
      $                            -1, -1, -1, IMAT, NFAIL, NERRS, NOUT )
                   CALL CTRT03( UPLO, TRANS, DIAG, N, 1, A, LDA,
      $                         SCALE3( 1 ), RWORK, ONE, B( 1 ), LDA,
      $                         X, LDA, WORK, RESULT( 10 ) )
                   CALL CSSCAL( N, BIGNUM, X, 1 )
                   CALL CTRT03( UPLO, TRANS, DIAG, N, 1, A, LDA,
      $                         SCALE3( 2 ), RWORK, ONE, B( N+1 ), LDA,
-     $                         X, LDA, WORK, RESULT( 10 ) )
+     $                         X, LDA, WORK, RES )
                   RESULT( 10 ) = MAX( RESULT( 10 ), RES )
 *
 *                 Print information about the tests that did not pass

lapack-netlib/TESTING/LIN/schktr.f

@@ -555,11 +555,11 @@ SUBROUTINE SCHKTR( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
 *
                   IF( INFO.NE.0 )
      $               CALL ALAERH( PATH, 'SLATRS3', INFO, 0,
-     $                            UPLO // TRANS // DIAG // 'Y', N, N,
+     $                            UPLO // TRANS // DIAG // 'N', N, N,
      $                            -1, -1, -1, IMAT, NFAIL, NERRS, NOUT )
 *
                   CALL STRT03( UPLO, TRANS, DIAG, N, 1, A, LDA,
-     $                         SCALE3 ( 1 ), RWORK, ONE, B( N+1 ), LDA,
+     $                         SCALE3( 1 ), RWORK, ONE, B( 1 ), LDA,
      $                         X, LDA, WORK, RESULT( 10 ) )
                   CALL SSCAL( N, BIGNUM, X, 1 )
                   CALL STRT03( UPLO, TRANS, DIAG, N, 1, A, LDA,