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LAPACK
3.4.1
LAPACK: Linear Algebra PACKage
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00001 *> \brief \b SERRQP 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 SERRQP( PATH, NUNIT ) 00012 * 00013 * .. Scalar Arguments .. 00014 * CHARACTER*3 PATH 00015 * INTEGER NUNIT 00016 * .. 00017 * 00018 * 00019 *> \par Purpose: 00020 * ============= 00021 *> 00022 *> \verbatim 00023 *> 00024 *> SERRQP tests the error exits for SGEQPF and SGEQP3. 00025 *> \endverbatim 00026 * 00027 * Arguments: 00028 * ========== 00029 * 00030 *> \param[in] PATH 00031 *> \verbatim 00032 *> PATH is CHARACTER*3 00033 *> The LAPACK path name for the routines to be tested. 00034 *> \endverbatim 00035 *> 00036 *> \param[in] NUNIT 00037 *> \verbatim 00038 *> NUNIT is INTEGER 00039 *> The unit number for output. 00040 *> \endverbatim 00041 * 00042 * Authors: 00043 * ======== 00044 * 00045 *> \author Univ. of Tennessee 00046 *> \author Univ. of California Berkeley 00047 *> \author Univ. of Colorado Denver 00048 *> \author NAG Ltd. 00049 * 00050 *> \date November 2011 00051 * 00052 *> \ingroup single_lin 00053 * 00054 * ===================================================================== 00055 SUBROUTINE SERRQP( PATH, NUNIT ) 00056 * 00057 * -- LAPACK test routine (version 3.4.0) -- 00058 * -- LAPACK is a software package provided by Univ. of Tennessee, -- 00059 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- 00060 * November 2011 00061 * 00062 * .. Scalar Arguments .. 00063 CHARACTER*3 PATH 00064 INTEGER NUNIT 00065 * .. 00066 * 00067 * ===================================================================== 00068 * 00069 * .. Parameters .. 00070 INTEGER NMAX 00071 PARAMETER ( NMAX = 3 ) 00072 * .. 00073 * .. Local Scalars .. 00074 CHARACTER*2 C2 00075 INTEGER INFO, LW 00076 * .. 00077 * .. Local Arrays .. 00078 INTEGER IP( NMAX ) 00079 REAL A( NMAX, NMAX ), TAU( NMAX ), W( 3*NMAX+1 ) 00080 * .. 00081 * .. External Functions .. 00082 LOGICAL LSAMEN 00083 EXTERNAL LSAMEN 00084 * .. 00085 * .. External Subroutines .. 00086 EXTERNAL ALAESM, CHKXER, SGEQP3, SGEQPF 00087 * .. 00088 * .. Scalars in Common .. 00089 LOGICAL LERR, OK 00090 CHARACTER*32 SRNAMT 00091 INTEGER INFOT, NOUT 00092 * .. 00093 * .. Common blocks .. 00094 COMMON / INFOC / INFOT, NOUT, OK, LERR 00095 COMMON / SRNAMC / SRNAMT 00096 * .. 00097 * .. Executable Statements .. 00098 * 00099 NOUT = NUNIT 00100 WRITE( NOUT, FMT = * ) 00101 C2 = PATH( 2: 3 ) 00102 LW = 3*NMAX + 1 00103 A( 1, 1 ) = 1.0E+0 00104 A( 1, 2 ) = 2.0E+0 00105 A( 2, 2 ) = 3.0E+0 00106 A( 2, 1 ) = 4.0E+0 00107 OK = .TRUE. 00108 * 00109 IF( LSAMEN( 2, C2, 'QP' ) ) THEN 00110 * 00111 * Test error exits for QR factorization with pivoting 00112 * 00113 * SGEQPF 00114 * 00115 SRNAMT = 'SGEQPF' 00116 INFOT = 1 00117 CALL SGEQPF( -1, 0, A, 1, IP, TAU, W, INFO ) 00118 CALL CHKXER( 'SGEQPF', INFOT, NOUT, LERR, OK ) 00119 INFOT = 2 00120 CALL SGEQPF( 0, -1, A, 1, IP, TAU, W, INFO ) 00121 CALL CHKXER( 'SGEQPF', INFOT, NOUT, LERR, OK ) 00122 INFOT = 4 00123 CALL SGEQPF( 2, 0, A, 1, IP, TAU, W, INFO ) 00124 CALL CHKXER( 'SGEQPF', INFOT, NOUT, LERR, OK ) 00125 * 00126 * SGEQP3 00127 * 00128 SRNAMT = 'SGEQP3' 00129 INFOT = 1 00130 CALL SGEQP3( -1, 0, A, 1, IP, TAU, W, LW, INFO ) 00131 CALL CHKXER( 'SGEQP3', INFOT, NOUT, LERR, OK ) 00132 INFOT = 2 00133 CALL SGEQP3( 1, -1, A, 1, IP, TAU, W, LW, INFO ) 00134 CALL CHKXER( 'SGEQP3', INFOT, NOUT, LERR, OK ) 00135 INFOT = 4 00136 CALL SGEQP3( 2, 3, A, 1, IP, TAU, W, LW, INFO ) 00137 CALL CHKXER( 'SGEQP3', INFOT, NOUT, LERR, OK ) 00138 INFOT = 8 00139 CALL SGEQP3( 2, 2, A, 2, IP, TAU, W, LW-10, INFO ) 00140 CALL CHKXER( 'SGEQP3', INFOT, NOUT, LERR, OK ) 00141 END IF 00142 * 00143 * Print a summary line. 00144 * 00145 CALL ALAESM( PATH, OK, NOUT ) 00146 * 00147 RETURN 00148 * 00149 * End of SERRQP 00150 * 00151 END