*> \brief \b SERRGE * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE SERRGE( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> SERRGE tests the error exits for the REAL routines *> for general matrices. *> \endverbatim * * Arguments: * ========== * *> \param[in] PATH *> \verbatim *> PATH is CHARACTER*3 *> The LAPACK path name for the routines to be tested. *> \endverbatim *> *> \param[in] NUNIT *> \verbatim *> NUNIT is INTEGER *> The unit number for output. *> \endverbatim * * Authors: * ======== * *> \author Univ. of Tennessee *> \author Univ. of California Berkeley *> \author Univ. of Colorado Denver *> \author NAG Ltd. * *> \date November 2011 * *> \ingroup single_lin * * ===================================================================== SUBROUTINE SERRGE( PATH, NUNIT ) * * -- LAPACK test routine (version 3.4.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * November 2011 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX, LW PARAMETER ( NMAX = 4, LW = 3*NMAX ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER I, INFO, J REAL ANRM, CCOND, RCOND * .. * .. Local Arrays .. INTEGER IP( NMAX ), IW( NMAX ) REAL 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, SGBCON, SGBEQU, SGBRFS, SGBTF2, $ SGBTRF, SGBTRS, SGECON, SGEEQU, SGERFS, SGETF2, $ SGETRF, SGETRI, SGETRS * .. * .. 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 REAL * .. * .. 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. / REAL( I+J ) AF( I, J ) = 1. / REAL( I+J ) 10 CONTINUE B( J ) = 0. R1( J ) = 0. R2( J ) = 0. W( J ) = 0. X( J ) = 0. 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. * * SGETRF * SRNAMT = 'SGETRF' INFOT = 1 CALL SGETRF( -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGETRF( 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGETRF( 2, 1, A, 1, IP, INFO ) CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK ) * * SGETF2 * SRNAMT = 'SGETF2' INFOT = 1 CALL SGETF2( -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGETF2( 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGETF2( 2, 1, A, 1, IP, INFO ) CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK ) * * SGETRI * SRNAMT = 'SGETRI' INFOT = 1 CALL SGETRI( -1, A, 1, IP, W, LW, INFO ) CALL CHKXER( 'SGETRI', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGETRI( 2, A, 1, IP, W, LW, INFO ) CALL CHKXER( 'SGETRI', INFOT, NOUT, LERR, OK ) * * SGETRS * SRNAMT = 'SGETRS' INFOT = 1 CALL SGETRS( '/', 0, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGETRS( 'N', -1, 0, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGETRS( 'N', 0, -1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SGETRS( 'N', 2, 1, A, 1, IP, B, 2, INFO ) CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL SGETRS( 'N', 2, 1, A, 2, IP, B, 1, INFO ) CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK ) * * SGERFS * SRNAMT = 'SGERFS' INFOT = 1 CALL SGERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGERFS( 'N', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, $ W, IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGERFS( 'N', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, $ W, IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SGERFS( 'N', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SGERFS( 'N', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W, $ IW, INFO ) CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK ) * * SGECON * SRNAMT = 'SGECON' INFOT = 1 CALL SGECON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGECON( '1', -1, A, 1, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGECON( '1', 2, A, 1, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK ) * * SGEEQU * SRNAMT = 'SGEEQU' INFOT = 1 CALL SGEEQU( -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO ) CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGEEQU( 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO ) CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGEEQU( 2, 2, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO ) CALL CHKXER( 'SGEEQU', 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. * * SGBTRF * SRNAMT = 'SGBTRF' INFOT = 1 CALL SGBTRF( -1, 0, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGBTRF( 0, -1, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGBTRF( 1, 1, -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGBTRF( 1, 1, 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL SGBTRF( 2, 2, 1, 1, A, 3, IP, INFO ) CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK ) * * SGBTF2 * SRNAMT = 'SGBTF2' INFOT = 1 CALL SGBTF2( -1, 0, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGBTF2( 0, -1, 0, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGBTF2( 1, 1, -1, 0, A, 1, IP, INFO ) CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGBTF2( 1, 1, 0, -1, A, 1, IP, INFO ) CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL SGBTF2( 2, 2, 1, 1, A, 3, IP, INFO ) CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK ) * * SGBTRS * SRNAMT = 'SGBTRS' INFOT = 1 CALL SGBTRS( '/', 0, 0, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGBTRS( 'N', -1, 0, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGBTRS( 'N', 1, -1, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGBTRS( 'N', 1, 0, -1, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SGBTRS( 'N', 1, 0, 0, -1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SGBTRS( 'N', 2, 1, 1, 1, A, 3, IP, B, 2, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) INFOT = 10 CALL SGBTRS( 'N', 2, 0, 0, 1, A, 1, IP, B, 1, INFO ) CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK ) * * SGBRFS * SRNAMT = 'SGBRFS' INFOT = 1 CALL SGBRFS( '/', 0, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGBRFS( 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGBRFS( 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGBRFS( 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL SGBRFS( 'N', 1, 0, 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL SGBRFS( 'N', 2, 1, 1, 1, A, 2, AF, 4, IP, B, 2, X, 2, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL SGBRFS( 'N', 2, 1, 1, 1, A, 3, AF, 3, IP, B, 2, X, 2, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 12 CALL SGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 1, X, 2, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) INFOT = 14 CALL SGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 2, X, 1, R1, $ R2, W, IW, INFO ) CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK ) * * SGBCON * SRNAMT = 'SGBCON' INFOT = 1 CALL SGBCON( '/', 0, 0, 0, A, 1, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGBCON( '1', -1, 0, 0, A, 1, IP, ANRM, RCOND, W, IW, $ INFO ) CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGBCON( '1', 1, -1, 0, A, 1, IP, ANRM, RCOND, W, IW, $ INFO ) CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGBCON( '1', 1, 0, -1, A, 1, IP, ANRM, RCOND, W, IW, $ INFO ) CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL SGBCON( '1', 2, 1, 1, A, 3, IP, ANRM, RCOND, W, IW, INFO ) CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK ) * * SGBEQU * SRNAMT = 'SGBEQU' INFOT = 1 CALL SGBEQU( -1, 0, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL SGBEQU( 0, -1, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL SGBEQU( 1, 1, -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL SGBEQU( 1, 1, 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK ) INFOT = 6 CALL SGBEQU( 2, 2, 1, 1, A, 2, R1, R2, RCOND, CCOND, ANRM, $ INFO ) CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of SERRGE * END