cerrtr.f

来自「famous linear algebra library (LAPACK) p」· F 代码 · 共 447 行 · 第 1/2 页

      SUBROUTINE CERRTR( PATH, NUNIT )
*
*  -- 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
*  =======
*
*  CERRTR tests the error exits for the COMPLEX triangular routines.
*
*  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
      REAL               RCOND, SCALE
*     ..
*     .. Local Arrays ..
      REAL               R1( NMAX ), R2( NMAX ), RW( NMAX )
      COMPLEX            A( NMAX, NMAX ), B( NMAX ), W( NMAX ),
     $                   X( NMAX )
*     ..
*     .. External Functions ..
      LOGICAL            LSAMEN
      EXTERNAL           LSAMEN
*     ..
*     .. External Subroutines ..
      EXTERNAL           ALAESM, CHKXER, CLATBS, CLATPS, CLATRS, CTBCON,
     $                   CTBRFS, CTBTRS, CTPCON, CTPRFS, CTPTRI, CTPTRS,
     $                   CTRCON, CTRRFS, CTRTI2, CTRTRI, CTRTRS
*     ..
*     .. Scalars in Common ..
      LOGICAL            LERR, OK
      CHARACTER*6        SRNAMT
      INTEGER            INFOT, NOUT
*     ..
*     .. Common blocks ..
      COMMON             / INFOC / INFOT, NOUT, OK, LERR
      COMMON             / SRNAMC / SRNAMT
*     ..
*     .. Executable Statements ..
*
      NOUT = NUNIT
      WRITE( NOUT, FMT = * )
      C2 = PATH( 2: 3 )
      A( 1, 1 ) = 1.
      A( 1, 2 ) = 2.
      A( 2, 2 ) = 3.
      A( 2, 1 ) = 4.
      OK = .TRUE.
*
*     Test error exits for the general triangular routines.
*
      IF( LSAMEN( 2, C2, 'TR' ) ) THEN
*
*        CTRTRI
*
         SRNAMT = 'CTRTRI'
         INFOT = 1
         CALL CTRTRI( '/', 'N', 0, A, 1, INFO )
         CALL CHKXER( 'CTRTRI', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTRTRI( 'U', '/', 0, A, 1, INFO )
         CALL CHKXER( 'CTRTRI', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CTRTRI( 'U', 'N', -1, A, 1, INFO )
         CALL CHKXER( 'CTRTRI', INFOT, NOUT, LERR, OK )
         INFOT = 5
         CALL CTRTRI( 'U', 'N', 2, A, 1, INFO )
         CALL CHKXER( 'CTRTRI', INFOT, NOUT, LERR, OK )
*
*        CTRTI2
*
         SRNAMT = 'CTRTI2'
         INFOT = 1
         CALL CTRTI2( '/', 'N', 0, A, 1, INFO )
         CALL CHKXER( 'CTRTI2', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTRTI2( 'U', '/', 0, A, 1, INFO )
         CALL CHKXER( 'CTRTI2', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CTRTI2( 'U', 'N', -1, A, 1, INFO )
         CALL CHKXER( 'CTRTI2', INFOT, NOUT, LERR, OK )
         INFOT = 5
         CALL CTRTI2( 'U', 'N', 2, A, 1, INFO )
         CALL CHKXER( 'CTRTI2', INFOT, NOUT, LERR, OK )
*
*
*        CTRTRS
*
         SRNAMT = 'CTRTRS'
         INFOT = 1
         CALL CTRTRS( '/', 'N', 'N', 0, 0, A, 1, X, 1, INFO )
         CALL CHKXER( 'CTRTRS', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTRTRS( 'U', '/', 'N', 0, 0, A, 1, X, 1, INFO )
         CALL CHKXER( 'CTRTRS', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CTRTRS( 'U', 'N', '/', 0, 0, A, 1, X, 1, INFO )
         CALL CHKXER( 'CTRTRS', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL CTRTRS( 'U', 'N', 'N', -1, 0, A, 1, X, 1, INFO )
         CALL CHKXER( 'CTRTRS', INFOT, NOUT, LERR, OK )
         INFOT = 5
         CALL CTRTRS( 'U', 'N', 'N', 0, -1, A, 1, X, 1, INFO )
         CALL CHKXER( 'CTRTRS', INFOT, NOUT, LERR, OK )
         INFOT = 7
*
*        CTRRFS
*
         SRNAMT = 'CTRRFS'
         INFOT = 1
         CALL CTRRFS( '/', 'N', 'N', 0, 0, A, 1, B, 1, X, 1, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTRRFS( 'U', '/', 'N', 0, 0, A, 1, B, 1, X, 1, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CTRRFS( 'U', 'N', '/', 0, 0, A, 1, B, 1, X, 1, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL CTRRFS( 'U', 'N', 'N', -1, 0, A, 1, B, 1, X, 1, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 5
         CALL CTRRFS( 'U', 'N', 'N', 0, -1, A, 1, B, 1, X, 1, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 7
         CALL CTRRFS( 'U', 'N', 'N', 2, 1, A, 1, B, 2, X, 2, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 9
         CALL CTRRFS( 'U', 'N', 'N', 2, 1, A, 2, B, 1, X, 2, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
         INFOT = 11
         CALL CTRRFS( 'U', 'N', 'N', 2, 1, A, 2, B, 2, X, 1, R1, R2, W,
     $                RW, INFO )
         CALL CHKXER( 'CTRRFS', INFOT, NOUT, LERR, OK )
*
*        CTRCON
*
         SRNAMT = 'CTRCON'
         INFOT = 1
         CALL CTRCON( '/', 'U', 'N', 0, A, 1, RCOND, W, RW, INFO )
         CALL CHKXER( 'CTRCON', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTRCON( '1', '/', 'N', 0, A, 1, RCOND, W, RW, INFO )
         CALL CHKXER( 'CTRCON', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CTRCON( '1', 'U', '/', 0, A, 1, RCOND, W, RW, INFO )
         CALL CHKXER( 'CTRCON', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL CTRCON( '1', 'U', 'N', -1, A, 1, RCOND, W, RW, INFO )
         CALL CHKXER( 'CTRCON', INFOT, NOUT, LERR, OK )
         INFOT = 6
         CALL CTRCON( '1', 'U', 'N', 2, A, 1, RCOND, W, RW, INFO )
         CALL CHKXER( 'CTRCON', INFOT, NOUT, LERR, OK )
*
*        CLATRS
*
         SRNAMT = 'CLATRS'
         INFOT = 1
         CALL CLATRS( '/', 'N', 'N', 'N', 0, A, 1, X, SCALE, RW, INFO )
         CALL CHKXER( 'CLATRS', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CLATRS( 'U', '/', 'N', 'N', 0, A, 1, X, SCALE, RW, INFO )
         CALL CHKXER( 'CLATRS', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CLATRS( 'U', 'N', '/', 'N', 0, A, 1, X, SCALE, RW, INFO )
         CALL CHKXER( 'CLATRS', INFOT, NOUT, LERR, OK )
         INFOT = 4
         CALL CLATRS( 'U', 'N', 'N', '/', 0, A, 1, X, SCALE, RW, INFO )
         CALL CHKXER( 'CLATRS', INFOT, NOUT, LERR, OK )
         INFOT = 5
         CALL CLATRS( 'U', 'N', 'N', 'N', -1, A, 1, X, SCALE, RW, INFO )
         CALL CHKXER( 'CLATRS', INFOT, NOUT, LERR, OK )
         INFOT = 7
         CALL CLATRS( 'U', 'N', 'N', 'N', 2, A, 1, X, SCALE, RW, INFO )
         CALL CHKXER( 'CLATRS', INFOT, NOUT, LERR, OK )
*
*     Test error exits for the packed triangular routines.
*
      ELSE IF( LSAMEN( 2, C2, 'TP' ) ) THEN
*
*        CTPTRI
*
         SRNAMT = 'CTPTRI'
         INFOT = 1
         CALL CTPTRI( '/', 'N', 0, A, INFO )
         CALL CHKXER( 'CTPTRI', INFOT, NOUT, LERR, OK )
         INFOT = 2
         CALL CTPTRI( 'U', '/', 0, A, INFO )
         CALL CHKXER( 'CTPTRI', INFOT, NOUT, LERR, OK )
         INFOT = 3
         CALL CTPTRI( 'U', 'N', -1, A, INFO )
         CALL CHKXER( 'CTPTRI', INFOT, NOUT, LERR, OK )
*
*        CTPTRS
*
         SRNAMT = 'CTPTRS'