1*> \brief \b SERRTZ 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 SERRTZ( 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*> SERRTZ tests the error exits for STZRZF. 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 December 2016 51* 52*> \ingroup single_lin 53* 54* ===================================================================== 55 SUBROUTINE SERRTZ( PATH, NUNIT ) 56* 57* -- LAPACK test routine (version 3.7.0) -- 58* -- LAPACK is a software package provided by Univ. of Tennessee, -- 59* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- 60* December 2016 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 REAL 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, STZRZF 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* .. Executable Statements .. 97* 98 NOUT = NUNIT 99 WRITE( NOUT, FMT = * ) 100 C2 = PATH( 2: 3 ) 101 A( 1, 1 ) = 1.E+0 102 A( 1, 2 ) = 2.E+0 103 A( 2, 2 ) = 3.E+0 104 A( 2, 1 ) = 4.E+0 105 W( 1 ) = 0.0E+0 106 W( 2 ) = 0.0E+0 107 OK = .TRUE. 108* 109 IF( LSAMEN( 2, C2, 'TZ' ) ) THEN 110* 111* Test error exits for the trapezoidal routines. 112* 113* STZRZF 114* 115 SRNAMT = 'STZRZF' 116 INFOT = 1 117 CALL STZRZF( -1, 0, A, 1, TAU, W, 1, INFO ) 118 CALL CHKXER( 'STZRZF', INFOT, NOUT, LERR, OK ) 119 INFOT = 2 120 CALL STZRZF( 1, 0, A, 1, TAU, W, 1, INFO ) 121 CALL CHKXER( 'STZRZF', INFOT, NOUT, LERR, OK ) 122 INFOT = 4 123 CALL STZRZF( 2, 2, A, 1, TAU, W, 1, INFO ) 124 CALL CHKXER( 'STZRZF', INFOT, NOUT, LERR, OK ) 125 INFOT = 7 126 CALL STZRZF( 2, 2, A, 2, TAU, W, 0, INFO ) 127 CALL CHKXER( 'STZRZF', INFOT, NOUT, LERR, OK ) 128 INFOT = 7 129 CALL STZRZF( 2, 3, A, 2, TAU, W, 1, INFO ) 130 CALL CHKXER( 'STZRZF', INFOT, NOUT, LERR, OK ) 131 END IF 132* 133* Print a summary line. 134* 135 CALL ALAESM( PATH, OK, NOUT ) 136* 137 RETURN 138* 139* End of SERRTZ 140* 141 END 142