529 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			529 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Fortran
		
	
	
	
*> \brief \b SERRPOX
 | 
						|
*
 | 
						|
*  =========== DOCUMENTATION ===========
 | 
						|
*
 | 
						|
* Online html documentation available at
 | 
						|
*            http://www.netlib.org/lapack/explore-html/
 | 
						|
*
 | 
						|
*  Definition:
 | 
						|
*  ===========
 | 
						|
*
 | 
						|
*       SUBROUTINE SERRPO( PATH, NUNIT )
 | 
						|
*
 | 
						|
*       .. Scalar Arguments ..
 | 
						|
*       CHARACTER*3        PATH
 | 
						|
*       INTEGER            NUNIT
 | 
						|
*       ..
 | 
						|
*
 | 
						|
*
 | 
						|
*> \par Purpose:
 | 
						|
*  =============
 | 
						|
*>
 | 
						|
*> \verbatim
 | 
						|
*>
 | 
						|
*> SERRPO tests the error exits for the REAL routines
 | 
						|
*> for symmetric positive definite matrices.
 | 
						|
*>
 | 
						|
*> Note that this file is used only when the XBLAS are available,
 | 
						|
*> otherwise serrpo.f defines this subroutine.
 | 
						|
*> \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.
 | 
						|
*
 | 
						|
*> \ingroup single_lin
 | 
						|
*
 | 
						|
*  =====================================================================
 | 
						|
      SUBROUTINE SERRPO( PATH, NUNIT )
 | 
						|
*
 | 
						|
*  -- LAPACK test routine --
 | 
						|
*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
 | 
						|
*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
 | 
						|
*
 | 
						|
*     .. Scalar Arguments ..
 | 
						|
      CHARACTER*3        PATH
 | 
						|
      INTEGER            NUNIT
 | 
						|
*     ..
 | 
						|
*
 | 
						|
*  =====================================================================
 | 
						|
*
 | 
						|
*     .. Parameters ..
 | 
						|
      INTEGER            NMAX
 | 
						|
      PARAMETER          ( NMAX = 4 )
 | 
						|
*     ..
 | 
						|
*     .. Local Scalars ..
 | 
						|
      CHARACTER          EQ
 | 
						|
      CHARACTER*2        C2
 | 
						|
      INTEGER            I, INFO, J, N_ERR_BNDS, NPARAMS
 | 
						|
      REAL               ANRM, RCOND, BERR
 | 
						|
*     ..
 | 
						|
*     .. Local Arrays ..
 | 
						|
      INTEGER            IW( NMAX )
 | 
						|
      REAL               A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
 | 
						|
     $                   R1( NMAX ), R2( NMAX ), W( 3*NMAX ), X( NMAX ),
 | 
						|
     $                   S( NMAX ), ERR_BNDS_N( NMAX, 3 ),
 | 
						|
     $                   ERR_BNDS_C( NMAX, 3 ), PARAMS( 1 )
 | 
						|
*     ..
 | 
						|
*     .. External Functions ..
 | 
						|
      LOGICAL            LSAMEN
 | 
						|
      EXTERNAL           LSAMEN
 | 
						|
*     ..
 | 
						|
*     .. External Subroutines ..
 | 
						|
      EXTERNAL           ALAESM, CHKXER, SPBCON, SPBEQU, SPBRFS, SPBTF2,
 | 
						|
     $                   SPBTRF, SPBTRS, SPOCON, SPOEQU, SPORFS, SPOTF2,
 | 
						|
     $                   SPOTRF, SPOTRI, SPOTRS, SPPCON, SPPEQU, SPPRFS,
 | 
						|
     $                   SPPTRF, SPPTRI, SPPTRS, SPOEQUB, SPORFSX
 | 
						|
*     ..
 | 
						|
*     .. 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 = * )
 | 
						|
      C2 = PATH( 2: 3 )
 | 
						|
*
 | 
						|
*     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.
 | 
						|
         R1( J ) = 0.
 | 
						|
         R2( J ) = 0.
 | 
						|
         W( J ) = 0.
 | 
						|
         X( J ) = 0.
 | 
						|
         S( J ) = 0.
 | 
						|
         IW( J ) = J
 | 
						|
   20 CONTINUE
 | 
						|
      OK = .TRUE.
 | 
						|
*
 | 
						|
      IF( LSAMEN( 2, C2, 'PO' ) ) THEN
 | 
						|
*
 | 
						|
*        Test error exits of the routines that use the Cholesky
 | 
						|
*        decomposition of a symmetric positive definite matrix.
 | 
						|
*
 | 
						|
*        SPOTRF
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOTRF'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOTRF( '/', 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPOTRF( 'U', -1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPOTRF( 'U', 2, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPOTF2
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOTF2'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOTF2( '/', 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPOTF2( 'U', -1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPOTF2( 'U', 2, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPOTRI
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOTRI'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOTRI( '/', 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPOTRI( 'U', -1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPOTRI( 'U', 2, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPOTRS
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOTRS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOTRS( '/', 0, 0, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPOTRS( 'U', -1, 0, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPOTRS( 'U', 0, -1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL SPOTRS( 'U', 2, 1, A, 1, B, 2, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 7
 | 
						|
         CALL SPOTRS( 'U', 2, 1, A, 2, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPORFS
 | 
						|
*
 | 
						|
         SRNAMT = 'SPORFS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPORFS( '/', 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPORFS( 'U', -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPORFS( 'U', 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL SPORFS( 'U', 2, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 7
 | 
						|
         CALL SPORFS( 'U', 2, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 9
 | 
						|
         CALL SPORFS( 'U', 2, 1, A, 2, AF, 2, B, 1, X, 2, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 11
 | 
						|
         CALL SPORFS( 'U', 2, 1, A, 2, AF, 2, B, 2, X, 1, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPORFSX
 | 
						|
*
 | 
						|
         N_ERR_BNDS = 3
 | 
						|
         NPARAMS = 0
 | 
						|
         SRNAMT = 'SPORFSX'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPORFSX( '/', EQ, 0, 0, A, 1, AF, 1, S, B, 1, X, 1,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPORFSX( 'U', "/", -1, 0, A, 1, AF, 1, S, B, 1, X, 1,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         EQ = 'N'
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPORFSX( 'U', EQ, -1, 0, A, 1, AF, 1, S, B, 1, X, 1,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPORFSX( 'U', EQ, 0, -1, A, 1, AF, 1, S, B, 1, X, 1,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL SPORFSX( 'U', EQ, 2, 1, A, 1, AF, 2, S, B, 2, X, 2,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL SPORFSX( 'U', EQ, 2, 1, A, 2, AF, 1, S, B, 2, X, 2,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 11
 | 
						|
         CALL SPORFSX( 'U', EQ, 2, 1, A, 2, AF, 2, S, B, 1, X, 2,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 13
 | 
						|
         CALL SPORFSX( 'U', EQ, 2, 1, A, 2, AF, 2, S, B, 2, X, 1,
 | 
						|
     $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
 | 
						|
     $        PARAMS, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPORFSX', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPOCON
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOCON'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOCON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPOCON( 'U', -1, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPOCON( 'U', 2, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPOEQU
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOEQU'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOEQU( -1, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPOEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPOEQU( 2, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPOEQU', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPOEQUB
 | 
						|
*
 | 
						|
         SRNAMT = 'SPOEQUB'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPOEQUB( -1, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPOEQUB', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPOEQUB( 2, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPOEQUB', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
      ELSE IF( LSAMEN( 2, C2, 'PP' ) ) THEN
 | 
						|
*
 | 
						|
*        Test error exits of the routines that use the Cholesky
 | 
						|
*        decomposition of a symmetric positive definite packed matrix.
 | 
						|
*
 | 
						|
*        SPPTRF
 | 
						|
*
 | 
						|
         SRNAMT = 'SPPTRF'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPPTRF( '/', 0, A, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRF', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPPTRF( 'U', -1, A, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRF', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPPTRI
 | 
						|
*
 | 
						|
         SRNAMT = 'SPPTRI'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPPTRI( '/', 0, A, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRI', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPPTRI( 'U', -1, A, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRI', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPPTRS
 | 
						|
*
 | 
						|
         SRNAMT = 'SPPTRS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPPTRS( '/', 0, 0, A, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPPTRS( 'U', -1, 0, A, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPPTRS( 'U', 0, -1, A, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL SPPTRS( 'U', 2, 1, A, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPPRFS
 | 
						|
*
 | 
						|
         SRNAMT = 'SPPRFS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPPRFS( '/', 0, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPPRFS( 'U', -1, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPPRFS( 'U', 0, -1, A, AF, B, 1, X, 1, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 7
 | 
						|
         CALL SPPRFS( 'U', 2, 1, A, AF, B, 1, X, 2, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 9
 | 
						|
         CALL SPPRFS( 'U', 2, 1, A, AF, B, 2, X, 1, R1, R2, W, IW,
 | 
						|
     $                INFO )
 | 
						|
         CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPPCON
 | 
						|
*
 | 
						|
         SRNAMT = 'SPPCON'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPPCON( '/', 0, A, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPPCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPPCON( 'U', -1, A, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPPCON', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPPEQU
 | 
						|
*
 | 
						|
         SRNAMT = 'SPPEQU'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPPEQU( '/', 0, A, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPPEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPPEQU( 'U', -1, A, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPPEQU', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
      ELSE IF( LSAMEN( 2, C2, 'PB' ) ) THEN
 | 
						|
*
 | 
						|
*        Test error exits of the routines that use the Cholesky
 | 
						|
*        decomposition of a symmetric positive definite band matrix.
 | 
						|
*
 | 
						|
*        SPBTRF
 | 
						|
*
 | 
						|
         SRNAMT = 'SPBTRF'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPBTRF( '/', 0, 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPBTRF( 'U', -1, 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPBTRF( 'U', 1, -1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL SPBTRF( 'U', 2, 1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPBTF2
 | 
						|
*
 | 
						|
         SRNAMT = 'SPBTF2'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPBTF2( '/', 0, 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPBTF2( 'U', -1, 0, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPBTF2( 'U', 1, -1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL SPBTF2( 'U', 2, 1, A, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPBTRS
 | 
						|
*
 | 
						|
         SRNAMT = 'SPBTRS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPBTRS( '/', 0, 0, 0, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPBTRS( 'U', -1, 0, 0, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPBTRS( 'U', 1, -1, 0, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPBTRS( 'U', 0, 0, -1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL SPBTRS( 'U', 2, 1, 1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL SPBTRS( 'U', 2, 0, 1, A, 1, B, 1, INFO )
 | 
						|
         CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPBRFS
 | 
						|
*
 | 
						|
         SRNAMT = 'SPBRFS'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPBRFS( '/', 0, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPBRFS( 'U', -1, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPBRFS( 'U', 1, -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 4
 | 
						|
         CALL SPBRFS( 'U', 0, 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 6
 | 
						|
         CALL SPBRFS( 'U', 2, 1, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 8
 | 
						|
         CALL SPBRFS( 'U', 2, 1, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 10
 | 
						|
         CALL SPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 1, X, 2, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 12
 | 
						|
         CALL SPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 2, X, 1, R1, R2, W,
 | 
						|
     $                IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPBCON
 | 
						|
*
 | 
						|
         SRNAMT = 'SPBCON'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPBCON( '/', 0, 0, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPBCON( 'U', -1, 0, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPBCON( 'U', 1, -1, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL SPBCON( 'U', 2, 1, A, 1, ANRM, RCOND, W, IW, INFO )
 | 
						|
         CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
 | 
						|
*
 | 
						|
*        SPBEQU
 | 
						|
*
 | 
						|
         SRNAMT = 'SPBEQU'
 | 
						|
         INFOT = 1
 | 
						|
         CALL SPBEQU( '/', 0, 0, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 2
 | 
						|
         CALL SPBEQU( 'U', -1, 0, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 3
 | 
						|
         CALL SPBEQU( 'U', 1, -1, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
         INFOT = 5
 | 
						|
         CALL SPBEQU( 'U', 2, 1, A, 1, R1, RCOND, ANRM, INFO )
 | 
						|
         CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
 | 
						|
      END IF
 | 
						|
*
 | 
						|
*     Print a summary line.
 | 
						|
*
 | 
						|
      CALL ALAESM( PATH, OK, NOUT )
 | 
						|
*
 | 
						|
      RETURN
 | 
						|
*
 | 
						|
*     End of SERRPOX
 | 
						|
*
 | 
						|
      END
 |