LAPACK 3.3.1
Linear Algebra PACKage
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00001 SUBROUTINE CERREC( PATH, NUNIT ) 00002 * 00003 * -- LAPACK test routine (version 3.1) -- 00004 * Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. 00005 * November 2006 00006 * 00007 * .. Scalar Arguments .. 00008 CHARACTER*3 PATH 00009 INTEGER NUNIT 00010 * .. 00011 * 00012 * Purpose 00013 * ======= 00014 * 00015 * CERREC tests the error exits for the routines for eigen- condition 00016 * estimation for REAL matrices: 00017 * CTRSYL, CTREXC, CTRSNA and CTRSEN. 00018 * 00019 * Arguments 00020 * ========= 00021 * 00022 * PATH (input) CHARACTER*3 00023 * The LAPACK path name for the routines to be tested. 00024 * 00025 * NUNIT (input) INTEGER 00026 * The unit number for output. 00027 * 00028 * ===================================================================== 00029 * 00030 * .. Parameters .. 00031 INTEGER NMAX, LW 00032 PARAMETER ( NMAX = 4, LW = NMAX*( NMAX+2 ) ) 00033 REAL ONE, ZERO 00034 PARAMETER ( ONE = 1.0E0, ZERO = 0.0E0 ) 00035 * .. 00036 * .. Local Scalars .. 00037 INTEGER I, IFST, ILST, INFO, J, M, NT 00038 REAL SCALE 00039 * .. 00040 * .. Local Arrays .. 00041 LOGICAL SEL( NMAX ) 00042 REAL RW( LW ), S( NMAX ), SEP( NMAX ) 00043 COMPLEX A( NMAX, NMAX ), B( NMAX, NMAX ), 00044 $ C( NMAX, NMAX ), WORK( LW ), X( NMAX ) 00045 * .. 00046 * .. External Subroutines .. 00047 EXTERNAL CHKXER, CTREXC, CTRSEN, CTRSNA, CTRSYL 00048 * .. 00049 * .. Scalars in Common .. 00050 LOGICAL LERR, OK 00051 CHARACTER*32 SRNAMT 00052 INTEGER INFOT, NOUT 00053 * .. 00054 * .. Common blocks .. 00055 COMMON / INFOC / INFOT, NOUT, OK, LERR 00056 COMMON / SRNAMC / SRNAMT 00057 * .. 00058 * .. Executable Statements .. 00059 * 00060 NOUT = NUNIT 00061 OK = .TRUE. 00062 NT = 0 00063 * 00064 * Initialize A, B and SEL 00065 * 00066 DO 20 J = 1, NMAX 00067 DO 10 I = 1, NMAX 00068 A( I, J ) = ZERO 00069 B( I, J ) = ZERO 00070 10 CONTINUE 00071 20 CONTINUE 00072 DO 30 I = 1, NMAX 00073 A( I, I ) = ONE 00074 SEL( I ) = .TRUE. 00075 30 CONTINUE 00076 * 00077 * Test CTRSYL 00078 * 00079 SRNAMT = 'CTRSYL' 00080 INFOT = 1 00081 CALL CTRSYL( 'X', 'N', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO ) 00082 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00083 INFOT = 2 00084 CALL CTRSYL( 'N', 'X', 1, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO ) 00085 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00086 INFOT = 3 00087 CALL CTRSYL( 'N', 'N', 0, 0, 0, A, 1, B, 1, C, 1, SCALE, INFO ) 00088 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00089 INFOT = 4 00090 CALL CTRSYL( 'N', 'N', 1, -1, 0, A, 1, B, 1, C, 1, SCALE, INFO ) 00091 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00092 INFOT = 5 00093 CALL CTRSYL( 'N', 'N', 1, 0, -1, A, 1, B, 1, C, 1, SCALE, INFO ) 00094 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00095 INFOT = 7 00096 CALL CTRSYL( 'N', 'N', 1, 2, 0, A, 1, B, 1, C, 2, SCALE, INFO ) 00097 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00098 INFOT = 9 00099 CALL CTRSYL( 'N', 'N', 1, 0, 2, A, 1, B, 1, C, 1, SCALE, INFO ) 00100 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00101 INFOT = 11 00102 CALL CTRSYL( 'N', 'N', 1, 2, 0, A, 2, B, 1, C, 1, SCALE, INFO ) 00103 CALL CHKXER( 'CTRSYL', INFOT, NOUT, LERR, OK ) 00104 NT = NT + 8 00105 * 00106 * Test CTREXC 00107 * 00108 SRNAMT = 'CTREXC' 00109 IFST = 1 00110 ILST = 1 00111 INFOT = 1 00112 CALL CTREXC( 'X', 1, A, 1, B, 1, IFST, ILST, INFO ) 00113 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00114 INFOT = 7 00115 CALL CTREXC( 'N', 0, A, 1, B, 1, IFST, ILST, INFO ) 00116 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00117 INFOT = 4 00118 ILST = 2 00119 CALL CTREXC( 'N', 2, A, 1, B, 1, IFST, ILST, INFO ) 00120 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00121 INFOT = 6 00122 CALL CTREXC( 'V', 2, A, 2, B, 1, IFST, ILST, INFO ) 00123 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00124 INFOT = 7 00125 IFST = 0 00126 ILST = 1 00127 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) 00128 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00129 INFOT = 7 00130 IFST = 2 00131 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) 00132 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00133 INFOT = 8 00134 IFST = 1 00135 ILST = 0 00136 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) 00137 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00138 INFOT = 8 00139 ILST = 2 00140 CALL CTREXC( 'V', 1, A, 1, B, 1, IFST, ILST, INFO ) 00141 CALL CHKXER( 'CTREXC', INFOT, NOUT, LERR, OK ) 00142 NT = NT + 8 00143 * 00144 * Test CTRSNA 00145 * 00146 SRNAMT = 'CTRSNA' 00147 INFOT = 1 00148 CALL CTRSNA( 'X', 'A', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M, 00149 $ WORK, 1, RW, INFO ) 00150 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00151 INFOT = 2 00152 CALL CTRSNA( 'B', 'X', SEL, 0, A, 1, B, 1, C, 1, S, SEP, 1, M, 00153 $ WORK, 1, RW, INFO ) 00154 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00155 INFOT = 4 00156 CALL CTRSNA( 'B', 'A', SEL, -1, A, 1, B, 1, C, 1, S, SEP, 1, M, 00157 $ WORK, 1, RW, INFO ) 00158 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00159 INFOT = 6 00160 CALL CTRSNA( 'V', 'A', SEL, 2, A, 1, B, 1, C, 1, S, SEP, 2, M, 00161 $ WORK, 2, RW, INFO ) 00162 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00163 INFOT = 8 00164 CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 1, C, 2, S, SEP, 2, M, 00165 $ WORK, 2, RW, INFO ) 00166 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00167 INFOT = 10 00168 CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 1, S, SEP, 2, M, 00169 $ WORK, 2, RW, INFO ) 00170 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00171 INFOT = 13 00172 CALL CTRSNA( 'B', 'A', SEL, 1, A, 1, B, 1, C, 1, S, SEP, 0, M, 00173 $ WORK, 1, RW, INFO ) 00174 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00175 INFOT = 13 00176 CALL CTRSNA( 'B', 'S', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 1, M, 00177 $ WORK, 1, RW, INFO ) 00178 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00179 INFOT = 16 00180 CALL CTRSNA( 'B', 'A', SEL, 2, A, 2, B, 2, C, 2, S, SEP, 2, M, 00181 $ WORK, 1, RW, INFO ) 00182 CALL CHKXER( 'CTRSNA', INFOT, NOUT, LERR, OK ) 00183 NT = NT + 9 00184 * 00185 * Test CTRSEN 00186 * 00187 SEL( 1 ) = .FALSE. 00188 SRNAMT = 'CTRSEN' 00189 INFOT = 1 00190 CALL CTRSEN( 'X', 'N', SEL, 0, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ), 00191 $ WORK, 1, INFO ) 00192 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00193 INFOT = 2 00194 CALL CTRSEN( 'N', 'X', SEL, 0, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ), 00195 $ WORK, 1, INFO ) 00196 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00197 INFOT = 4 00198 CALL CTRSEN( 'N', 'N', SEL, -1, A, 1, B, 1, X, M, S( 1 ), 00199 $ SEP( 1 ), WORK, 1, INFO ) 00200 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00201 INFOT = 6 00202 CALL CTRSEN( 'N', 'N', SEL, 2, A, 1, B, 1, X, M, S( 1 ), SEP( 1 ), 00203 $ WORK, 2, INFO ) 00204 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00205 INFOT = 8 00206 CALL CTRSEN( 'N', 'V', SEL, 2, A, 2, B, 1, X, M, S( 1 ), SEP( 1 ), 00207 $ WORK, 1, INFO ) 00208 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00209 INFOT = 14 00210 CALL CTRSEN( 'N', 'V', SEL, 2, A, 2, B, 2, X, M, S( 1 ), SEP( 1 ), 00211 $ WORK, 0, INFO ) 00212 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00213 INFOT = 14 00214 CALL CTRSEN( 'E', 'V', SEL, 3, A, 3, B, 3, X, M, S( 1 ), SEP( 1 ), 00215 $ WORK, 1, INFO ) 00216 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00217 INFOT = 14 00218 CALL CTRSEN( 'V', 'V', SEL, 3, A, 3, B, 3, X, M, S( 1 ), SEP( 1 ), 00219 $ WORK, 3, INFO ) 00220 CALL CHKXER( 'CTRSEN', INFOT, NOUT, LERR, OK ) 00221 NT = NT + 8 00222 * 00223 * Print a summary line. 00224 * 00225 IF( OK ) THEN 00226 WRITE( NOUT, FMT = 9999 )PATH, NT 00227 ELSE 00228 WRITE( NOUT, FMT = 9998 )PATH 00229 END IF 00230 * 00231 9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits (', 00232 $ I3, ' tests done)' ) 00233 9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ', 00234 $ 'exits ***' ) 00235 RETURN 00236 * 00237 * End of CERREC 00238 * 00239 END