SUBROUTINE DERRGE( 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 * ======= * * DERRGE tests the error exits for the DOUBLE PRECISION routines * for general matrices. * * 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, LW PARAMETER ( NMAX = 4, LW = 3*NMAX ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, INFO, J DOUBLE PRECISION ANRM, CCOND, RCOND * .. * .. Local Arrays .. INTEGER IP( NMAX ), IW( NMAX ) DOUBLE PRECISION A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ), $ R1( NMAX ), R2( NMAX ), W( LW ), X( NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, DGBCON, DGBEQU, DGBRFS, DGBTF2, $ DGBTRF, DGBTRS, DGECON, DGEEQU, DGERFS, DGETF2, $ DGETRF, DGETRI, DGETRS * .. * .. 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 * .. * .. 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 ) = 1.D0 / DBLE( I+J ) AF( 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 IP( J ) = J IW( J ) = J 20 CONTINUE OK = .TRUE. * IF( LSAMEN( 2, C2, 'GE' ) ) THEN * * Test error exits of the routines that use the LU decomposition * of a general matrix. * * DGETRF * SRNAMT = 'DGETRF' INFOT = 1 CALL DGETRF( -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGETRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGETRF( 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'DGETRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGETRF( 2, 1, A, 1, IP, INFO ) CALL CHKXER( 'DGETRF', INFOT, NOUT, LERR, OK ) * * DGETF2 * SRNAMT = 'DGETF2' INFOT = 1 CALL DGETF2( -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGETF2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGETF2( 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'DGETF2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGETF2( 2, 1, A, 1, IP, INFO ) CALL CHKXER( 'DGETF2', INFOT, NOUT, LERR, OK ) * * DGETRI * SRNAMT = 'DGETRI' INFOT = 1 CALL DGETRI( -1, A, 1, IP, W, LW, INFO ) CALL CHKXER( 'DGETRI', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGETRI( 2, A, 1, IP, W, LW, INFO ) CALL CHKXER( 'DGETRI', INFOT, NOUT, LERR, OK ) * * DGETRS * SRNAMT = 'DGETRS' INFOT = 1 CALL DGETRS( '/', 0, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGETRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGETRS( 'N', -1, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGETRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGETRS( 'N', 0, -1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGETRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGETRS( 'N', 2, 1, A, 1, IP, B, 2, INFO ) CALL CHKXER( 'DGETRS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL DGETRS( 'N', 2, 1, A, 2, IP, B, 1, INFO ) CALL CHKXER( 'DGETRS', INFOT, NOUT, LERR, OK ) * * DGERFS * SRNAMT = 'DGERFS' INFOT = 1 CALL DGERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGERFS( 'N', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, $ W, IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGERFS( 'N', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, $ W, IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGERFS( 'N', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGERFS( 'N', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'DGERFS', INFOT, NOUT, LERR, OK ) * * DGECON * SRNAMT = 'DGECON' INFOT = 1 CALL DGECON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'DGECON', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGECON( '1', -1, A, 1, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'DGECON', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGECON( '1', 2, A, 1, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'DGECON', INFOT, NOUT, LERR, OK ) * * DGEEQU * SRNAMT = 'DGEEQU' INFOT = 1 CALL DGEEQU( -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO ) CALL CHKXER( 'DGEEQU', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGEEQU( 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO ) CALL CHKXER( 'DGEEQU', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGEEQU( 2, 2, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO ) CALL CHKXER( 'DGEEQU', INFOT, NOUT, LERR, OK ) * ELSE IF( LSAMEN( 2, C2, 'GB' ) ) THEN * * Test error exits of the routines that use the LU decomposition * of a general band matrix. * * DGBTRF * SRNAMT = 'DGBTRF' INFOT = 1 CALL DGBTRF( -1, 0, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGBTRF( 0, -1, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGBTRF( 1, 1, -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGBTRF( 1, 1, 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'DGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGBTRF( 2, 2, 1, 1, A, 3, IP, INFO ) CALL CHKXER( 'DGBTRF', INFOT, NOUT, LERR, OK ) * * DGBTF2 * SRNAMT = 'DGBTF2' INFOT = 1 CALL DGBTF2( -1, 0, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGBTF2( 0, -1, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGBTF2( 1, 1, -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'DGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGBTF2( 1, 1, 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'DGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGBTF2( 2, 2, 1, 1, A, 3, IP, INFO ) CALL CHKXER( 'DGBTF2', INFOT, NOUT, LERR, OK ) * * DGBTRS * SRNAMT = 'DGBTRS' INFOT = 1 CALL DGBTRS( '/', 0, 0, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGBTRS( 'N', -1, 0, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGBTRS( 'N', 1, -1, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGBTRS( 'N', 1, 0, -1, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGBTRS( 'N', 1, 0, 0, -1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGBTRS( 'N', 2, 1, 1, 1, A, 3, IP, B, 2, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL DGBTRS( 'N', 2, 0, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'DGBTRS', INFOT, NOUT, LERR, OK ) * * DGBRFS * SRNAMT = 'DGBRFS' INFOT = 1 CALL DGBRFS( '/', 0, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGBRFS( 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGBRFS( 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGBRFS( 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DGBRFS( 'N', 1, 0, 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DGBRFS( 'N', 2, 1, 1, 1, A, 2, AF, 4, IP, B, 2, X, 2, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DGBRFS( 'N', 2, 1, 1, 1, A, 3, AF, 3, IP, B, 2, X, 2, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL DGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 1, X, 2, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL DGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 2, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'DGBRFS', INFOT, NOUT, LERR, OK ) * * DGBCON * SRNAMT = 'DGBCON' INFOT = 1 CALL DGBCON( '/', 0, 0, 0, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'DGBCON', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGBCON( '1', -1, 0, 0, A, 1, IP, ANRM, RCOND, W, IW, $ INFO ) CALL CHKXER( 'DGBCON', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGBCON( '1', 1, -1, 0, A, 1, IP, ANRM, RCOND, W, IW, $ INFO ) CALL CHKXER( 'DGBCON', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGBCON( '1', 1, 0, -1, A, 1, IP, ANRM, RCOND, W, IW, $ INFO ) CALL CHKXER( 'DGBCON', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGBCON( '1', 2, 1, 1, A, 3, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'DGBCON', INFOT, NOUT, LERR, OK ) * * DGBEQU * SRNAMT = 'DGBEQU' INFOT = 1 CALL DGBEQU( -1, 0, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'DGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DGBEQU( 0, -1, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'DGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DGBEQU( 1, 1, -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'DGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL DGBEQU( 1, 1, 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'DGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL DGBEQU( 2, 2, 1, 1, A, 2, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'DGBEQU', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of DERRGE * END