zerrls.f

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      SUBROUTINE zerrls( PATH, NUNIT )
*
      include 'plasmaf.h'
*
*  -- LAPACK test routine (version 3.1) --
*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
*     November 2006
*
*     .. Scalar Arguments ..
      CHARACTER*3        path
      INTEGER            nunit
*     ..
*
*  Purpose
*  =======
*
*  ZERRLS tests the error exits for the COMPLEX*16 least squares
*  driver routines (ZGELS, ZGELSS, CGELSX, CGELSY, CGELSD).
*
*  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 = 2 )
*     ..
*     .. Local Scalars ..
      CHARACTER*2        c2
      INTEGER            info, irnk
      DOUBLE PRECISION   rcond
      INTEGER            ht( 2 )
*     ..
*     .. Local Arrays ..
      INTEGER            ip( nmax )
      DOUBLE PRECISION   rw( nmax ), s( nmax )
      COMPLEX*16         a( nmax, nmax ), b( nmax, nmax ), w( nmax )
*     ..
*     .. External Functions ..
      LOGICAL            lsamen
      EXTERNAL           lsamen
*     ..
*     .. External Subroutines ..
      EXTERNAL           alaesm, chkxer, zgels, zgelsd, zgelss, zgelsx,
     $                   zgelsy
*     ..
*     .. Scalars in Common ..
      LOGICAL            lerr, ok
      CHARACTER*32       srnamt
      INTEGER            infot, nout
*     ..
*     .. Common blocks ..
      common             / infoc / infot, nout, ok, lerr
      common             / srnamc / srnamt
*     ..
*     .. Executable Statements ..
*
      nout = nunit
      c2 = path( 2: 3 )
      a( 1, 1 ) = ( 1.0d+0, 0.0d+0 )
      a( 1, 2 ) = ( 2.0d+0, 0.0d+0 )
      a( 2, 2 ) = ( 3.0d+0, 0.0d+0 )
      a( 2, 1 ) = ( 4.0d+0, 0.0d+0 )
      ok = .true.
      WRITE( nout, fmt = * )
*
*     Disable PLASMA warnings/errors
* 
      CALL plasma_disable( plasma_warnings, info )
      CALL plasma_disable( plasma_errors,   info )
*
*     Test error exits for the least squares driver routines.
*
      IF( lsamen( 2, c2, 'LS' ) ) THEN
*
*        ZGELS
*
         CALL plasma_alloc_workspace_zgels( 2, 2, ht, info )
*
         srnamt = 'ZGELS '
         infot = 103
         CALL plasma_zgels( '/', 0, 0, 0, a, 1, ht, b, 1, info )
         CALL chkxer( 'ZGELS ', infot, nout, info, ok )
         infot = 2
         CALL plasma_zgels( plasmanotrans, -1, 0, 0, a, 1, ht,
     $                     b, 1, info )
         CALL chkxer( 'ZGELS ', infot, nout, info, ok )
         infot = 3
         CALL plasma_zgels( plasmanotrans, 0, -1, 0, a, 1, ht,
     $                     b, 1, info )
         CALL chkxer( 'ZGELS ', infot, nout, info, ok )
         infot = 4
         CALL plasma_zgels( plasmanotrans, 0, 0, -1, a, 1, ht,
     $                     b, 1, info )
         CALL chkxer( 'ZGELS ', infot, nout, info, ok )
         infot = 6
         CALL plasma_zgels( plasmanotrans, 2, 0, 0, a, 1, ht,
     $                     b, 2, info )
         CALL chkxer( 'ZGELS ', infot, nout, info, ok )
         infot = 9
         CALL plasma_zgels( plasmanotrans, 2, 0, 0, a, 2, ht,
     $                     b, 1, info )
         CALL chkxer( 'ZGELS ', infot, nout, info, ok )
*
         CALL plasma_dealloc_handle( ht, info )
      END IF
*
*     Print a summary line.
*
      CALL alaesm( path, ok, nout )
*
*     Enable PLASMA warnings/errors
* 
      CALL plasma_enable( plasma_warnings, info )
      CALL plasma_enable( plasma_errors,   info )
*
      return
*
*     End of ZERRLS
*
      END