zerrqr.f

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      SUBROUTINE zerrqr( 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
*  =======
*
*  ZERRQR tests the error exits for the COMPLEX*16 routines
*  that use the QR decomposition of a general matrix.
*
*  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 ..
      INTEGER            i, info, j
*     ..
*     .. Local Arrays ..
      COMPLEX*16         a( nmax, nmax ), af( nmax, nmax ), b( nmax ),
     $                   w( nmax ), x( nmax )
      INTEGER            ht( 2 )
*     ..
*     .. External Subroutines ..
      EXTERNAL           alaesm, chkxer, zgeqr2, zgeqrf, zung2r,
     $                   zungqr, zunm2r, zunmqr
*     ..
*     .. 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          dble, dcmplx
*     ..
*     .. Executable Statements ..
*
      nout = nunit
      WRITE( nout, fmt = * )
*
*     Disable PLASMA warnings/errors
* 
      CALL plasma_disable( plasma_warnings, info )
      CALL plasma_disable( plasma_errors,   info )
*
*     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
         w( j ) = 0.d0
         x( j ) = 0.d0
   20 continue
      ok = .true.
*
*     Allocate HT
*
      CALL plasma_alloc_workspace_zgeqrf( 2, 2, ht, info )
*
*
*     Error exits for QR factorization
*
*     ZGEQRF
*
      srnamt = 'ZGEQRF'
      infot = 1
      CALL plasma_zgeqrf( -1, 0, a, 1, ht, info )
      CALL chkxer( 'ZGEQRF', infot, nout, info, ok )
      infot = 2
      CALL plasma_zgeqrf( 0, -1, a, 1, ht, info )
      CALL chkxer( 'ZGEQRF', infot, nout, info, ok )
      infot = 4
      CALL plasma_zgeqrf( 2, 1, a, 1, ht, info )
      CALL chkxer( 'ZGEQRF', infot, nout, info, ok )
*
*     ZGEQRS
*
      srnamt = 'ZGEQRS'
      infot = 1
      CALL plasma_zgeqrs( -1, 0, 0, a, 1, x, b, 1, info )
      CALL chkxer( 'ZGEQRS', infot, nout, info, ok )
      infot = 2
      CALL plasma_zgeqrs( 0, -1, 0, a, 1, x, b, 1, info )
      CALL chkxer( 'ZGEQRS', infot, nout, info, ok )
      infot = 2
      CALL plasma_zgeqrs( 1, 2, 0, a, 2, x, b, 2, info )
      CALL chkxer( 'ZGEQRS', infot, nout, info, ok )
      infot = 3
      CALL plasma_zgeqrs( 0, 0, -1, a, 1, x, b, 1, info )
      CALL chkxer( 'ZGEQRS', infot, nout, info, ok )
      infot = 5
      CALL plasma_zgeqrs( 2, 1, 0, a, 1, x, b, 2, info )
      CALL chkxer( 'ZGEQRS', infot, nout, info, ok )
      infot = 8
      CALL plasma_zgeqrs( 2, 1, 0, a, 2, x, b, 1, info )
      CALL chkxer( 'ZGEQRS', infot, nout, info, ok )
*
*     ZUNGQR
*
      srnamt = 'ZUNGQR'
      infot = 1
      CALL plasma_zungqr( -1, 0, 0, a, 1, ht, w, 1, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
      infot = 2
      CALL plasma_zungqr( 0, -1, 0, a, 1, ht, w, 1, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
      infot = 2
      CALL plasma_zungqr( 1, 2, 0, a, 1, ht, w, 2, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
      infot = 3
      CALL plasma_zungqr( 0, 0, -1, a, 1, ht, w, 1, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
      infot = 3
      CALL plasma_zungqr( 1, 1, 2, a, 1, ht, w, 1, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
      infot = 5
      CALL plasma_zungqr( 2, 2, 0, a, 1, ht, w, 2, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
      infot = 8
      CALL plasma_zungqr( 2, 2, 0, a, 2, ht, w, 1, info )
      CALL chkxer( 'ZUNGQR', infot, nout, info, ok )
*
*     PLASMA_ZUNMQR
*
      srnamt = 'ZUNMQR'
      infot = 1
      CALL plasma_zunmqr( '/', plasmaconjtrans, 0, 0, 0, a, 1, ht, af,
     $                   1, info )
      CALL chkxer( 'ZUNMQR', infot, nout, info, ok )
      infot = 2
      CALL plasma_zunmqr( plasmaleft, '/', 0, 0, 0, a, 1, ht, af, 1,
     $                   info )
      CALL chkxer( 'ZUNMQR', infot, nout, info, ok )
      infot = 3
      CALL plasma_zunmqr( plasmaleft, plasmaconjtrans, -1, 0, 0, a, 1,
     $                   ht, af, 1, info )
      CALL chkxer( 'ZUNMQR', infot, nout, info, ok )
      infot = 4
      CALL plasma_zunmqr( plasmaleft, plasmaconjtrans, 0, -1, 0, a, 1,
     $                   ht, af, 1, info )
      CALL chkxer( 'ZUNMQR', infot, nout, info, ok )
      infot = 5
      CALL plasma_zunmqr( plasmaleft, plasmaconjtrans, 0, 0, -1, a, 1,
     $                   ht, af, 1, info )
      CALL chkxer( 'ZUNMQR', infot, nout, info, ok )
*      INFOT = 5
*      CALL PLASMA_ZUNMQR( PLASMALEFT, PLASMACONJTRANS, 0, 1, 1, A, 1, HT,
*     4                   AF, 1, INFO )
*      CALL CHKXER( 'ZUNMQR', INFOT, NOUT, INFO, OK )
*      INFOT = 5
*      CALL PLASMA_ZUNMQR( PLASMALEFT, PLASMACONJTRANS, 1, 0, 1, A, 1, HT,
*     4                   AF, 1, INFO )
*      CALL CHKXER( 'ZUNMQR', INFOT, NOUT, INFO, OK )
*      INFOT = 7
*      CALL PLASMA_ZUNMQR( PLASMALEFT, PLASMACONJTRANS, 2, 1, 0, A, 1, HT,
*     4                   AF, 2, INFO )
*      CALL CHKXER( 'ZUNMQR', INFOT, NOUT, INFO, OK )
*      INFOT = 7
*      CALL PLASMA_ZUNMQR( PLASMALEFT, PLASMACONJTRANS, 1, 2, 0, A, 1, HT,
*     4                   AF, 1, INFO )
*      CALL CHKXER( 'ZUNMQR', INFOT, NOUT, INFO, OK )
*      INFOT = 10
*      CALL PLASMA_ZUNMQR( PLASMALEFT, PLASMACONJTRANS, 1, 2, 0, A, 1, HT,
*     4                   AF, 1, INFO )
*      CALL CHKXER( 'ZUNMQR', INFOT, NOUT, INFO, OK )
*      INFOT = 10
*      CALL PLASMA_ZUNMQR( PLASMALEFT, PLASMACONJTRANS, 2, 1, 0, A, 1, HT,
*     4                   AF, 2, INFO )
*      CALL CHKXER( 'ZUNMQR', INFOT, NOUT, INFO, OK )
*
*     Print a summary line.
*
      CALL alaesm( path, ok, nout )
*
*     Deallocate HT
*
      CALL plasma_dealloc_handle( ht, info )
*
*     Enable PLASMA warnings/errors
* 
      CALL plasma_enable( plasma_warnings, info )
      CALL plasma_enable( plasma_errors,   info )
*
      return
*
*     End of ZERRQR
*
      END