*> \brief \b CERRQP * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE CERRQP( PATH, NUNIT ) * * .. Scalar Arguments .. * CHARACTER*3 PATH * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> CERRQP tests the error exits for CGEQP3. *> \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 2015 * *> \ingroup complex_lin * * ===================================================================== SUBROUTINE CERRQP( PATH, NUNIT ) * * -- LAPACK test routine (version 3.6.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * November 2015 * * .. Scalar Arguments .. CHARACTER*3 PATH INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX PARAMETER ( NMAX = 3 ) * .. * .. Local Scalars .. CHARACTER*2 C2 INTEGER INFO, LW * .. * .. Local Arrays .. INTEGER IP( NMAX ) REAL RW( 2*NMAX ) COMPLEX A( NMAX, NMAX ), TAU( NMAX ), $ W( 2*NMAX+3*NMAX ) * .. * .. External Functions .. LOGICAL LSAMEN EXTERNAL LSAMEN * .. * .. External Subroutines .. EXTERNAL ALAESM, CGEQP3, CHKXER * .. * .. 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 ) LW = NMAX + 1 A( 1, 1 ) = CMPLX( 1.0E+0, -1.0E+0 ) A( 1, 2 ) = CMPLX( 2.0E+0, -2.0E+0 ) A( 2, 2 ) = CMPLX( 3.0E+0, -3.0E+0 ) A( 2, 1 ) = CMPLX( 4.0E+0, -4.0E+0 ) OK = .TRUE. WRITE( NOUT, FMT = * ) * * Test error exits for QR factorization with pivoting * IF( LSAMEN( 2, C2, 'QP' ) ) THEN * * CGEQP3 * SRNAMT = 'CGEQP3' INFOT = 1 CALL CGEQP3( -1, 0, A, 1, IP, TAU, W, LW, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CGEQP3( 1, -1, A, 1, IP, TAU, W, LW, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CGEQP3( 2, 3, A, 1, IP, TAU, W, LW, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) INFOT = 8 CALL CGEQP3( 2, 2, A, 2, IP, TAU, W, LW-10, RW, INFO ) CALL CHKXER( 'CGEQP3', INFOT, NOUT, LERR, OK ) END IF * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of CERRQP * END