cerrtz()

subroutine cerrtz	(	character*3	PATH,
		integer	NUNIT
	)

CERRTZ

Purpose:

 CERRTZ tests the error exits for CTZRZF.

Parameters

[in]	PATH	PATH is CHARACTER*3 The LAPACK path name for the routines to be tested.
[in]	NUNIT	NUNIT is INTEGER The unit number for output.

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date

December 2016

Definition at line 56 of file cerrtz.f.

*
*  -- LAPACK test routine (version 3.7.0) --
*  -- LAPACK is a software package provided by Univ. of Tennessee,    --
*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
*     December 2016
*
*     .. Scalar Arguments ..
      CHARACTER*3        path
      INTEGER            nunit
*     ..
*
*  =====================================================================
*
*     .. Parameters ..
      INTEGER            nmax
      parameter( nmax = 2 )
*     ..
*     .. Local Scalars ..
      CHARACTER*2        c2
      INTEGER            info
*     ..
*     .. Local Arrays ..
      COMPLEX            a( nmax, nmax ), tau( nmax ), w( nmax )
*     ..
*     .. External Functions ..
      LOGICAL            lsamen
      EXTERNAL           lsamen
*     ..
*     .. External Subroutines ..
      EXTERNAL           alaesm, chkxer, ctzrzf
*     ..
*     .. 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          cmplx
*     ..
*     .. Executable Statements ..
*
      nout = nunit
      c2 = path( 2: 3 )
      a( 1, 1 ) = cmplx( 1.e+0, -1.e+0 )
      a( 1, 2 ) = cmplx( 2.e+0, -2.e+0 )
      a( 2, 2 ) = cmplx( 3.e+0, -3.e+0 )
      a( 2, 1 ) = cmplx( 4.e+0, -4.e+0 )
      w( 1 ) = cmplx( 0.e+0, 0.e+0 )
      w( 2 ) = cmplx( 0.e+0, 0.e+0 )
      ok = .true.
*
*     Test error exits for the trapezoidal routines.
*
      WRITE( nout, fmt = * )
      IF( lsamen( 2, c2, 'TZ' ) ) THEN
*
*        CTZRZF
*
         srnamt = 'CTZRZF'
         infot = 1
         CALL ctzrzf( -1, 0, a, 1, tau, w, 1, info )
         CALL chkxer( 'CTZRZF', infot, nout, lerr, ok )
         infot = 2
         CALL ctzrzf( 1, 0, a, 1, tau, w, 1, info )
         CALL chkxer( 'CTZRZF', infot, nout, lerr, ok )
         infot = 4
         CALL ctzrzf( 2, 2, a, 1, tau, w, 1, info )
         CALL chkxer( 'CTZRZF', infot, nout, lerr, ok )
         infot = 7
         CALL ctzrzf( 2, 2, a, 2, tau, w, 0, info )
         CALL chkxer( 'CTZRZF', infot, nout, lerr, ok )
         infot = 7
         CALL ctzrzf( 2, 3, a, 2, tau, w, 1, info )
         CALL chkxer( 'CTZRZF', infot, nout, lerr, ok )
      END IF
*
*     Print a summary line.
*
      CALL alaesm( path, ok, nout )
*
      RETURN
*
*     End of CERRTZ
*

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