301 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			301 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			Fortran
		
	
	
	
*> \brief \b SERRQL
 | 
						|
*
 | 
						|
*  =========== DOCUMENTATION ===========
 | 
						|
*
 | 
						|
* Online html documentation available at 
 | 
						|
*            http://www.netlib.org/lapack/explore-html/ 
 | 
						|
*
 | 
						|
*  Definition:
 | 
						|
*  ===========
 | 
						|
*
 | 
						|
*       SUBROUTINE SERRQL( PATH, NUNIT )
 | 
						|
* 
 | 
						|
*       .. Scalar Arguments ..
 | 
						|
*       CHARACTER*3        PATH
 | 
						|
*       INTEGER            NUNIT
 | 
						|
*       ..
 | 
						|
*  
 | 
						|
*
 | 
						|
*> \par Purpose:
 | 
						|
*  =============
 | 
						|
*>
 | 
						|
*> \verbatim
 | 
						|
*>
 | 
						|
*> SERRQL tests the error exits for the REAL routines
 | 
						|
*> that use the QL decomposition of a general matrix.
 | 
						|
*> \endverbatim
 | 
						|
*
 | 
						|
*  Arguments:
 | 
						|
*  ==========
 | 
						|
*
 | 
						|
*> \param[in] PATH
 | 
						|
*> \verbatim
 | 
						|
*>          PATH is CHARACTER*3
 | 
						|
*>          The LAPACK path name for the routines to be tested.
 | 
						|
*> \endverbatim
 | 
						|
*>
 | 
						|
*> \param[in] NUNIT
 | 
						|
*> \verbatim
 | 
						|
*>          NUNIT is INTEGER
 | 
						|
*>          The unit number for output.
 | 
						|
*> \endverbatim
 | 
						|
*
 | 
						|
*  Authors:
 | 
						|
*  ========
 | 
						|
*
 | 
						|
*> \author Univ. of Tennessee 
 | 
						|
*> \author Univ. of California Berkeley 
 | 
						|
*> \author Univ. of Colorado Denver 
 | 
						|
*> \author NAG Ltd. 
 | 
						|
*
 | 
						|
*> \date November 2011
 | 
						|
*
 | 
						|
*> \ingroup single_lin
 | 
						|
*
 | 
						|
*  =====================================================================
 | 
						|
      SUBROUTINE SERRQL( PATH, NUNIT )
 | 
						|
*
 | 
						|
*  -- LAPACK test routine (version 3.4.0) --
 | 
						|
*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 | 
						|
*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
 | 
						|
*     November 2011
 | 
						|
*
 | 
						|
*     .. Scalar Arguments ..
 | 
						|
      CHARACTER*3        PATH
 | 
						|
      INTEGER            NUNIT
 | 
						|
*     ..
 | 
						|
*
 | 
						|
*  =====================================================================
 | 
						|
*
 | 
						|
*     .. Parameters ..
 | 
						|
      INTEGER            NMAX
 | 
						|
      PARAMETER          ( NMAX = 2 )
 | 
						|
*     ..
 | 
						|
*     .. Local Scalars ..
 | 
						|
      INTEGER            I, INFO, J
 | 
						|
*     ..
 | 
						|
*     .. Local Arrays ..
 | 
						|
      REAL               A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
 | 
						|
     $                   W( NMAX ), X( NMAX )
 | 
						|
*     ..
 | 
						|
*     .. External Subroutines ..
 | 
						|
      EXTERNAL           ALAESM, CHKXER, SGEQL2, SGEQLF, SGEQLS, SORG2L,
 | 
						|
     $                   SORGQL, SORM2L, SORMQL
 | 
						|
*     ..
 | 
						|
*     .. Scalars in Common ..
 | 
						|
      LOGICAL            LERR, OK
 | 
						|
      CHARACTER*32       SRNAMT
 | 
						|
      INTEGER            INFOT, NOUT
 | 
						|
*     ..
 | 
						|
*     .. Common blocks ..
 | 
						|
      COMMON             / INFOC / INFOT, NOUT, OK, LERR
 | 
						|
      COMMON             / SRNAMC / SRNAMT
 | 
						|
*     ..
 | 
						|
*     .. Intrinsic Functions ..
 | 
						|
      INTRINSIC          REAL
 | 
						|
*     ..
 | 
						|
*     .. Executable Statements ..
 | 
						|
*
 | 
						|
      NOUT = NUNIT
 | 
						|
      WRITE( NOUT, FMT = * )
 | 
						|
*
 | 
						|
*     Set the variables to innocuous values.
 | 
						|
*
 | 
						|
      DO 20 J = 1, NMAX
 | 
						|
         DO 10 I = 1, NMAX
 | 
						|
            A( I, J ) = 1. / REAL( I+J )
 | 
						|
            AF( I, J ) = 1. / REAL( I+J )
 | 
						|
   10    CONTINUE
 | 
						|
         B( J ) = 0.
 | 
						|
         W( J ) = 0.
 | 
						|
         X( J ) = 0.
 | 
						|
   20 CONTINUE
 | 
						|
      OK = .TRUE.
 | 
						|
*
 | 
						|
*     Error exits for QL factorization
 | 
						|
*
 | 
						|
*     SGEQLF
 | 
						|
*
 | 
						|
      SRNAMT = 'SGEQLF'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SGEQLF( -1, 0, A, 1, B, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SGEQLF( 0, -1, A, 1, B, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 4
 | 
						|
      CALL SGEQLF( 2, 1, A, 1, B, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 7
 | 
						|
      CALL SGEQLF( 1, 2, A, 1, B, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLF', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     SGEQL2
 | 
						|
*
 | 
						|
      SRNAMT = 'SGEQL2'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SGEQL2( -1, 0, A, 1, B, W, INFO )
 | 
						|
      CALL CHKXER( 'SGEQL2', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SGEQL2( 0, -1, A, 1, B, W, INFO )
 | 
						|
      CALL CHKXER( 'SGEQL2', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 4
 | 
						|
      CALL SGEQL2( 2, 1, A, 1, B, W, INFO )
 | 
						|
      CALL CHKXER( 'SGEQL2', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     SGEQLS
 | 
						|
*
 | 
						|
      SRNAMT = 'SGEQLS'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SGEQLS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SGEQLS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SGEQLS( 1, 2, 0, A, 1, X, B, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SGEQLS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SGEQLS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 8
 | 
						|
      CALL SGEQLS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 10
 | 
						|
      CALL SGEQLS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SGEQLS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     SORGQL
 | 
						|
*
 | 
						|
      SRNAMT = 'SORGQL'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SORGQL( -1, 0, 0, A, 1, X, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SORGQL( 0, -1, 0, A, 1, X, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SORGQL( 1, 2, 0, A, 1, X, W, 2, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SORGQL( 0, 0, -1, A, 1, X, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SORGQL( 1, 1, 2, A, 1, X, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORGQL( 2, 1, 0, A, 1, X, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 8
 | 
						|
      CALL SORGQL( 2, 2, 0, A, 2, X, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORGQL', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     SORG2L
 | 
						|
*
 | 
						|
      SRNAMT = 'SORG2L'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SORG2L( -1, 0, 0, A, 1, X, W, INFO )
 | 
						|
      CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SORG2L( 0, -1, 0, A, 1, X, W, INFO )
 | 
						|
      CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SORG2L( 1, 2, 0, A, 1, X, W, INFO )
 | 
						|
      CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SORG2L( 0, 0, -1, A, 1, X, W, INFO )
 | 
						|
      CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SORG2L( 2, 1, 2, A, 2, X, W, INFO )
 | 
						|
      CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORG2L( 2, 1, 0, A, 1, X, W, INFO )
 | 
						|
      CALL CHKXER( 'SORG2L', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     SORMQL
 | 
						|
*
 | 
						|
      SRNAMT = 'SORMQL'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SORMQL( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SORMQL( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SORMQL( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 4
 | 
						|
      CALL SORMQL( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORMQL( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORMQL( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORMQL( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 7
 | 
						|
      CALL SORMQL( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 7
 | 
						|
      CALL SORMQL( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 10
 | 
						|
      CALL SORMQL( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 12
 | 
						|
      CALL SORMQL( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 12
 | 
						|
      CALL SORMQL( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
 | 
						|
      CALL CHKXER( 'SORMQL', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     SORM2L
 | 
						|
*
 | 
						|
      SRNAMT = 'SORM2L'
 | 
						|
      INFOT = 1
 | 
						|
      CALL SORM2L( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 2
 | 
						|
      CALL SORM2L( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 3
 | 
						|
      CALL SORM2L( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 4
 | 
						|
      CALL SORM2L( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORM2L( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORM2L( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 5
 | 
						|
      CALL SORM2L( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 7
 | 
						|
      CALL SORM2L( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 7
 | 
						|
      CALL SORM2L( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
      INFOT = 10
 | 
						|
      CALL SORM2L( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO )
 | 
						|
      CALL CHKXER( 'SORM2L', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*     Print a summary line.
 | 
						|
*
 | 
						|
      CALL ALAESM( PATH, OK, NOUT )
 | 
						|
*
 | 
						|
      RETURN
 | 
						|
*
 | 
						|
*     End of SERRQL
 | 
						|
*
 | 
						|
      END
 |