![]() |
LAPACK
3.4.1
LAPACK: Linear Algebra PACKage
|
00001 *> \brief \b DERRPS 00002 * 00003 * =========== DOCUMENTATION =========== 00004 * 00005 * Online html documentation available at 00006 * http://www.netlib.org/lapack/explore-html/ 00007 * 00008 * Definition: 00009 * =========== 00010 * 00011 * SUBROUTINE DERRPS( PATH, NUNIT ) 00012 * 00013 * .. Scalar Arguments .. 00014 * INTEGER NUNIT 00015 * CHARACTER*3 PATH 00016 * .. 00017 * 00018 * 00019 *> \par Purpose: 00020 * ============= 00021 *> 00022 *> \verbatim 00023 *> 00024 *> DERRPS tests the error exits for the DOUBLE PRECISION routines 00025 *> for DPSTRF. 00026 *> \endverbatim 00027 * 00028 * Arguments: 00029 * ========== 00030 * 00031 *> \param[in] PATH 00032 *> \verbatim 00033 *> PATH is CHARACTER*3 00034 *> The LAPACK path name for the routines to be tested. 00035 *> \endverbatim 00036 *> 00037 *> \param[in] NUNIT 00038 *> \verbatim 00039 *> NUNIT is INTEGER 00040 *> The unit number for output. 00041 *> \endverbatim 00042 * 00043 * Authors: 00044 * ======== 00045 * 00046 *> \author Univ. of Tennessee 00047 *> \author Univ. of California Berkeley 00048 *> \author Univ. of Colorado Denver 00049 *> \author NAG Ltd. 00050 * 00051 *> \date November 2011 00052 * 00053 *> \ingroup double_lin 00054 * 00055 * ===================================================================== 00056 SUBROUTINE DERRPS( PATH, NUNIT ) 00057 * 00058 * -- LAPACK test routine (version 3.4.0) -- 00059 * -- LAPACK is a software package provided by Univ. of Tennessee, -- 00060 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- 00061 * November 2011 00062 * 00063 * .. Scalar Arguments .. 00064 INTEGER NUNIT 00065 CHARACTER*3 PATH 00066 * .. 00067 * 00068 * ===================================================================== 00069 * 00070 * .. Parameters .. 00071 INTEGER NMAX 00072 PARAMETER ( NMAX = 4 ) 00073 * .. 00074 * .. Local Scalars .. 00075 INTEGER I, INFO, J, RANK 00076 * .. 00077 * .. Local Arrays .. 00078 DOUBLE PRECISION A( NMAX, NMAX ), WORK( 2*NMAX ) 00079 INTEGER PIV( NMAX ) 00080 * .. 00081 * .. External Subroutines .. 00082 EXTERNAL ALAESM, CHKXER, DPSTF2, DPSTRF 00083 * .. 00084 * .. Scalars in Common .. 00085 INTEGER INFOT, NOUT 00086 LOGICAL LERR, OK 00087 CHARACTER*32 SRNAMT 00088 * .. 00089 * .. Common blocks .. 00090 COMMON / INFOC / INFOT, NOUT, OK, LERR 00091 COMMON / SRNAMC / SRNAMT 00092 * .. 00093 * .. Intrinsic Functions .. 00094 INTRINSIC DBLE 00095 * .. 00096 * .. Executable Statements .. 00097 * 00098 NOUT = NUNIT 00099 WRITE( NOUT, FMT = * ) 00100 * 00101 * Set the variables to innocuous values. 00102 * 00103 DO 110 J = 1, NMAX 00104 DO 100 I = 1, NMAX 00105 A( I, J ) = 1.D0 / DBLE( I+J ) 00106 * 00107 100 CONTINUE 00108 PIV( J ) = J 00109 WORK( J ) = 0.D0 00110 WORK( NMAX+J ) = 0.D0 00111 * 00112 110 CONTINUE 00113 OK = .TRUE. 00114 * 00115 * 00116 * Test error exits of the routines that use the Cholesky 00117 * decomposition of a symmetric positive semidefinite matrix. 00118 * 00119 * DPSTRF 00120 * 00121 SRNAMT = 'DPSTRF' 00122 INFOT = 1 00123 CALL DPSTRF( '/', 0, A, 1, PIV, RANK, -1.D0, WORK, INFO ) 00124 CALL CHKXER( 'DPSTRF', INFOT, NOUT, LERR, OK ) 00125 INFOT = 2 00126 CALL DPSTRF( 'U', -1, A, 1, PIV, RANK, -1.D0, WORK, INFO ) 00127 CALL CHKXER( 'DPSTRF', INFOT, NOUT, LERR, OK ) 00128 INFOT = 4 00129 CALL DPSTRF( 'U', 2, A, 1, PIV, RANK, -1.D0, WORK, INFO ) 00130 CALL CHKXER( 'DPSTRF', INFOT, NOUT, LERR, OK ) 00131 * 00132 * DPSTF2 00133 * 00134 SRNAMT = 'DPSTF2' 00135 INFOT = 1 00136 CALL DPSTF2( '/', 0, A, 1, PIV, RANK, -1.D0, WORK, INFO ) 00137 CALL CHKXER( 'DPSTF2', INFOT, NOUT, LERR, OK ) 00138 INFOT = 2 00139 CALL DPSTF2( 'U', -1, A, 1, PIV, RANK, -1.D0, WORK, INFO ) 00140 CALL CHKXER( 'DPSTF2', INFOT, NOUT, LERR, OK ) 00141 INFOT = 4 00142 CALL DPSTF2( 'U', 2, A, 1, PIV, RANK, -1.D0, WORK, INFO ) 00143 CALL CHKXER( 'DPSTF2', INFOT, NOUT, LERR, OK ) 00144 * 00145 * 00146 * Print a summary line. 00147 * 00148 CALL ALAESM( PATH, OK, NOUT ) 00149 * 00150 RETURN 00151 * 00152 * End of DERRPS 00153 * 00154 END