*> \brief \b CERRPS * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE CERRPS( PATH, NUNIT ) * * .. Scalar Arguments .. * INTEGER NUNIT * CHARACTER*3 PATH * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> CERRPS tests the error exits for the COMPLEX routines *> for CPSTRF.. *> \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 complex_lin * * ===================================================================== SUBROUTINE CERRPS( 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 .. INTEGER NUNIT CHARACTER*3 PATH * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX PARAMETER ( NMAX = 4 ) * .. * .. Local Scalars .. INTEGER I, INFO, J, RANK * .. * .. Local Arrays .. COMPLEX A( NMAX, NMAX ) REAL RWORK( 2*NMAX ) INTEGER PIV( NMAX ) * .. * .. External Subroutines .. EXTERNAL ALAESM, CHKXER, CPSTF2, CPSTRF * .. * .. Scalars in Common .. INTEGER INFOT, NOUT LOGICAL LERR, OK CHARACTER*32 SRNAMT * .. * .. Common blocks .. COMMON / INFOC / INFOT, NOUT, OK, LERR COMMON / SRNAMC / SRNAMT * .. * .. Intrinsic Functions .. INTRINSIC REAL * .. * .. Executable Statements .. * NOUT = NUNIT WRITE( NOUT, FMT = * ) * * Set the variables to innocuous values. * DO 110 J = 1, NMAX DO 100 I = 1, NMAX A( I, J ) = 1.0 / REAL( I+J ) * 100 CONTINUE PIV( J ) = J RWORK( J ) = 0. RWORK( NMAX+J ) = 0. * 110 CONTINUE OK = .TRUE. * * * Test error exits of the routines that use the Cholesky * decomposition of an Hermitian positive semidefinite matrix. * * CPSTRF * SRNAMT = 'CPSTRF' INFOT = 1 CALL CPSTRF( '/', 0, A, 1, PIV, RANK, -1.0, RWORK, INFO ) CALL CHKXER( 'CPSTRF', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CPSTRF( 'U', -1, A, 1, PIV, RANK, -1.0, RWORK, INFO ) CALL CHKXER( 'CPSTRF', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CPSTRF( 'U', 2, A, 1, PIV, RANK, -1.0, RWORK, INFO ) CALL CHKXER( 'CPSTRF', INFOT, NOUT, LERR, OK ) * * CPSTF2 * SRNAMT = 'CPSTF2' INFOT = 1 CALL CPSTF2( '/', 0, A, 1, PIV, RANK, -1.0, RWORK, INFO ) CALL CHKXER( 'CPSTF2', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL CPSTF2( 'U', -1, A, 1, PIV, RANK, -1.0, RWORK, INFO ) CALL CHKXER( 'CPSTF2', INFOT, NOUT, LERR, OK ) INFOT = 4 CALL CPSTF2( 'U', 2, A, 1, PIV, RANK, -1.0, RWORK, INFO ) CALL CHKXER( 'CPSTF2', INFOT, NOUT, LERR, OK ) * * * Print a summary line. * CALL ALAESM( PATH, OK, NOUT ) * RETURN * * End of CERRPS * END