zerrvx.f

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      SUBROUTINE ZERRVX( PATH, NUNIT )
*
*  -- LAPACK test routine (version 3.1.1) --
*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
*     January 2007
*
*     .. Scalar Arguments ..
      CHARACTER*3        PATH
      INTEGER            NUNIT
*     ..
*
*  Purpose
*  =======
*
*  ZERRVX tests the error exits for the COMPLEX*16 driver routines
*  for solving linear systems of equations.
*
*  Arguments
*  =========
*
*  PATH    (input) CHARACTER*3
*          The LAPACK path name for the routines to be tested.
*
*  NUNIT   (input) INTEGER
*          The unit number for output.
*
*  =====================================================================
*
*     .. Parameters ..
      INTEGER            NMAX
      PARAMETER          ( NMAX = 4 )
*     ..
*     .. Local Scalars ..
      CHARACTER          EQ
      CHARACTER*2        C2
      INTEGER            I, INFO, J
      DOUBLE PRECISION   RCOND
*     ..
*     .. Local Arrays ..
      INTEGER            IP( NMAX )
      DOUBLE PRECISION   C( NMAX ), R( NMAX ), R1( NMAX ), R2( NMAX ),
     $                   RF( NMAX ), RW( NMAX )
      COMPLEX*16         A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
     $                   W( 2*NMAX ), X( NMAX )
*     ..
*     .. External Functions ..
      LOGICAL            LSAMEN
      EXTERNAL           LSAMEN
*     ..
*     .. External Subroutines ..
      EXTERNAL           CHKXER, ZGBSV, ZGBSVX, ZGESV, ZGESVX, ZGTSV,
     $                   ZGTSVX, ZHESV, ZHESVX, ZHPSV, ZHPSVX, ZPBSV,
     $                   ZPBSVX, ZPOSV, ZPOSVX, ZPPSV, ZPPSVX, ZPTSV,
     $                   ZPTSVX, ZSPSV, ZSPSVX, ZSYSV, ZSYSVX
*     ..
*     .. Scalars in Common ..
      LOGICAL            LERR, OK
      CHARACTER*6        SRNAMT
      INTEGER            INFOT, NOUT
*     ..
*     .. Common blocks ..
      COMMON             / INFOC / INFOT, NOUT, OK, LERR
      COMMON             / SRNAMC / SRNAMT
*     ..
*     .. Intrinsic Functions ..
      INTRINSIC          DBLE, DCMPLX
*     ..
*     .. 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 ) = DCMPLX( 1.D0 / DBLE( I+J ),
     $                  -1.D0 / DBLE( I+J ) )
            AF( I, J ) = DCMPLX( 1.D0 / DBLE( I+J ),
     $                   -1.D0 / DBLE( I+J ) )
   10    CONTINUE
         B( J ) = 0.D0
         R1( J ) = 0.D0
         R2( J ) = 0.D0
         W( J ) = 0.D0
         X( J ) = 0.D0
         C( J ) = 0.D0
         R( J ) = 0.D0
         IP( J ) = J
   20 CONTINUE
      EQ = ' '
      OK = .TRUE.
*
      IF( LSAMEN( 2, C2, 'GE' ) ) THEN
*
*        ZGESV
*
         SRNAMT = 'ZGESV '
         INFOT = 1
         CALL ZGESV( -1, 0, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGESV ', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL ZGESV( 0, -1, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGESV ', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL ZGESV( 2, 1, A, 1, IP, B, 2, INFO )
         CALL CHKXER( 'ZGESV ', INFOT, NOUT, LERR, OK )
         INFOT = 7
         CALL ZGESV( 2, 1, A, 2, IP, B, 1, INFO )
         CALL CHKXER( 'ZGESV ', INFOT, NOUT, LERR, OK )
*
*        ZGESVX
*
         SRNAMT = 'ZGESVX'
         INFOT = 1
         CALL ZGESVX( '/', 'N', 0, 0, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL ZGESVX( 'N', '/', 0, 0, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL ZGESVX( 'N', 'N', -1, 0, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL ZGESVX( 'N', 'N', 0, -1, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 6
         CALL ZGESVX( 'N', 'N', 2, 1, A, 1, AF, 2, IP, EQ, R, C, B, 2,
     $                X, 2, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 8
         CALL ZGESVX( 'N', 'N', 2, 1, A, 2, AF, 1, IP, EQ, R, C, B, 2,
     $                X, 2, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 10
         EQ = '/'
         CALL ZGESVX( 'F', 'N', 0, 0, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 11
         EQ = 'R'
         CALL ZGESVX( 'F', 'N', 1, 0, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 12
         EQ = 'C'
         CALL ZGESVX( 'F', 'N', 1, 0, A, 1, AF, 1, IP, EQ, R, C, B, 1,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 14
         CALL ZGESVX( 'N', 'N', 2, 1, A, 2, AF, 2, IP, EQ, R, C, B, 1,
     $                X, 2, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
         INFOT = 16
         CALL ZGESVX( 'N', 'N', 2, 1, A, 2, AF, 2, IP, EQ, R, C, B, 2,
     $                X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGESVX', INFOT, NOUT, LERR, OK )
*
      ELSE IF( LSAMEN( 2, C2, 'GB' ) ) THEN
*
*        ZGBSV
*
         SRNAMT = 'ZGBSV '
         INFOT = 1
         CALL ZGBSV( -1, 0, 0, 0, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGBSV ', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL ZGBSV( 1, -1, 0, 0, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGBSV ', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL ZGBSV( 1, 0, -1, 0, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGBSV ', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL ZGBSV( 0, 0, 0, -1, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGBSV ', INFOT, NOUT, LERR, OK )
         INFOT = 6
         CALL ZGBSV( 1, 1, 1, 0, A, 3, IP, B, 1, INFO )
         CALL CHKXER( 'ZGBSV ', INFOT, NOUT, LERR, OK )
         INFOT = 9
         CALL ZGBSV( 2, 0, 0, 0, A, 1, IP, B, 1, INFO )
         CALL CHKXER( 'ZGBSV ', INFOT, NOUT, LERR, OK )
*
*        ZGBSVX
*
         SRNAMT = 'ZGBSVX'
         INFOT = 1
         CALL ZGBSVX( '/', 'N', 0, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL ZGBSVX( 'N', '/', 0, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL ZGBSVX( 'N', 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL ZGBSVX( 'N', 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 5
         CALL ZGBSVX( 'N', 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 6
         CALL ZGBSVX( 'N', 'N', 0, 0, 0, -1, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 8
         CALL ZGBSVX( 'N', 'N', 1, 1, 1, 0, A, 2, AF, 4, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 10
         CALL ZGBSVX( 'N', 'N', 1, 1, 1, 0, A, 3, AF, 3, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 12
         EQ = '/'
         CALL ZGBSVX( 'F', 'N', 0, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 13
         EQ = 'R'
         CALL ZGBSVX( 'F', 'N', 1, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 14
         EQ = 'C'
         CALL ZGBSVX( 'F', 'N', 1, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 16
         CALL ZGBSVX( 'N', 'N', 2, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 1, X, 2, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
         INFOT = 18
         CALL ZGBSVX( 'N', 'N', 2, 0, 0, 0, A, 1, AF, 1, IP, EQ, R, C,
     $                B, 2, X, 1, RCOND, R1, R2, W, RW, INFO )
         CALL CHKXER( 'ZGBSVX', INFOT, NOUT, LERR, OK )
*
      ELSE IF( LSAMEN( 2, C2, 'GT' ) ) THEN
*
*        ZGTSV
*
         SRNAMT = 'ZGTSV '
         INFOT = 1
         CALL ZGTSV( -1, 0, A( 1, 1 ), A( 1, 2 ), A( 1, 3 ), B, 1,
     $               INFO )
         CALL CHKXER( 'ZGTSV ', INFOT, NOUT, LERR, OK )