1*> \brief \b CERRTZ 2* 3* =========== DOCUMENTATION =========== 4* 5* Online html documentation available at 6* http://www.netlib.org/lapack/explore-html/ 7* 8* Definition: 9* =========== 10* 11* SUBROUTINE CERRTZ( PATH, NUNIT ) 12* 13* .. Scalar Arguments .. 14* CHARACTER*3 PATH 15* INTEGER NUNIT 16* .. 17* 18* 19*> \par Purpose: 20* ============= 21*> 22*> \verbatim 23*> 24*> CERRTZ tests the error exits for CTZRQF and CTZRZF. 25*> \endverbatim 26* 27* Arguments: 28* ========== 29* 30*> \param[in] PATH 31*> \verbatim 32*> PATH is CHARACTER*3 33*> The LAPACK path name for the routines to be tested. 34*> \endverbatim 35*> 36*> \param[in] NUNIT 37*> \verbatim 38*> NUNIT is INTEGER 39*> The unit number for output. 40*> \endverbatim 41* 42* Authors: 43* ======== 44* 45*> \author Univ. of Tennessee 46*> \author Univ. of California Berkeley 47*> \author Univ. of Colorado Denver 48*> \author NAG Ltd. 49* 50*> \date November 2011 51* 52*> \ingroup complex_lin 53* 54* ===================================================================== 55 SUBROUTINE CERRTZ( PATH, NUNIT ) 56* 57* -- LAPACK test routine (version 3.4.0) -- 58* -- LAPACK is a software package provided by Univ. of Tennessee, -- 59* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- 60* November 2011 61* 62* .. Scalar Arguments .. 63 CHARACTER*3 PATH 64 INTEGER NUNIT 65* .. 66* 67* ===================================================================== 68* 69* .. Parameters .. 70 INTEGER NMAX 71 PARAMETER ( NMAX = 2 ) 72* .. 73* .. Local Scalars .. 74 CHARACTER*2 C2 75 INTEGER INFO 76* .. 77* .. Local Arrays .. 78 COMPLEX A( NMAX, NMAX ), TAU( NMAX ), W( NMAX ) 79* .. 80* .. External Functions .. 81 LOGICAL LSAMEN 82 EXTERNAL LSAMEN 83* .. 84* .. External Subroutines .. 85 EXTERNAL ALAESM, CHKXER, CTZRQF, CTZRZF 86* .. 87* .. Scalars in Common .. 88 LOGICAL LERR, OK 89 CHARACTER*32 SRNAMT 90 INTEGER INFOT, NOUT 91* .. 92* .. Common blocks .. 93 COMMON / INFOC / INFOT, NOUT, OK, LERR 94 COMMON / SRNAMC / SRNAMT 95* .. 96* .. Intrinsic Functions .. 97 INTRINSIC CMPLX 98* .. 99* .. Executable Statements .. 100* 101 NOUT = NUNIT 102 C2 = PATH( 2: 3 ) 103 A( 1, 1 ) = CMPLX( 1.E+0, -1.E+0 ) 104 A( 1, 2 ) = CMPLX( 2.E+0, -2.E+0 ) 105 A( 2, 2 ) = CMPLX( 3.E+0, -3.E+0 ) 106 A( 2, 1 ) = CMPLX( 4.E+0, -4.E+0 ) 107 W( 1 ) = CMPLX( 0.E+0, 0.E+0 ) 108 W( 2 ) = CMPLX( 0.E+0, 0.E+0 ) 109 OK = .TRUE. 110* 111* Test error exits for the trapezoidal routines. 112* 113 WRITE( NOUT, FMT = * ) 114 IF( LSAMEN( 2, C2, 'TZ' ) ) THEN 115* 116* CTZRQF 117* 118 SRNAMT = 'CTZRQF' 119 INFOT = 1 120 CALL CTZRQF( -1, 0, A, 1, TAU, INFO ) 121 CALL CHKXER( 'CTZRQF', INFOT, NOUT, LERR, OK ) 122 INFOT = 2 123 CALL CTZRQF( 1, 0, A, 1, TAU, INFO ) 124 CALL CHKXER( 'CTZRQF', INFOT, NOUT, LERR, OK ) 125 INFOT = 4 126 CALL CTZRQF( 2, 2, A, 1, TAU, INFO ) 127 CALL CHKXER( 'CTZRQF', INFOT, NOUT, LERR, OK ) 128* 129* CTZRZF 130* 131 SRNAMT = 'CTZRZF' 132 INFOT = 1 133 CALL CTZRZF( -1, 0, A, 1, TAU, W, 1, INFO ) 134 CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) 135 INFOT = 2 136 CALL CTZRZF( 1, 0, A, 1, TAU, W, 1, INFO ) 137 CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) 138 INFOT = 4 139 CALL CTZRZF( 2, 2, A, 1, TAU, W, 1, INFO ) 140 CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) 141 INFOT = 7 142 CALL CTZRZF( 2, 2, A, 2, TAU, W, 0, INFO ) 143 CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) 144 INFOT = 7 145 CALL CTZRZF( 2, 3, A, 2, TAU, W, 1, INFO ) 146 CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK ) 147 END IF 148* 149* Print a summary line. 150* 151 CALL ALAESM( PATH, OK, NOUT ) 152* 153 RETURN 154* 155* End of CERRTZ 156* 157 END 158