1SUBROUTINE LA_TEST_DSBEVX( JOBZ, RANGE, UPLO, N, KD, AB, LDAB, Q, LDQ, &
2     &  VL, VU, IL, IU, ABSTOL, M, W, Z, LDZ, &
3     &  WORK, IWORK, IFAIL,INFO )
4!
5!  -- LAPACK95 interface driver routine (version 1.1) --
6!     UNI-C, Denmark;
7!     May 14, 1999
8!
9!  .. Use Statements ..
10      USE LA_PRECISION, ONLY: WP => DP
11      USE F95_LAPACK, ONLY: LA_SBEVX
12!  .. Implicit Statement ..
13      IMPLICIT NONE
14!  .. Scalar Arguments ..
15      INTEGER, INTENT(IN) :: N, LDAB, KD, LDQ, LDZ, IL, IU
16      INTEGER, INTENT(INOUT) :: INFO
17      INTEGER, INTENT(OUT) :: M
18      CHARACTER*1, INTENT(IN) :: UPLO, JOBZ, RANGE
19      REAL(WP), INTENT(IN) :: VL, VU, ABSTOL
20!  .. Array Arguments ..
21      INTEGER, INTENT(OUT) :: IFAIL(1:N)
22      REAL(WP), INTENT(INOUT) :: AB(1:LDAB, 1:N)
23      REAL(WP), INTENT(OUT)::  W(1:N), WORK(1 : 7*N), Z(1:LDZ, 1:N), &
24     &  Q(1:LDQ,1:N)
25      INTEGER, INTENT(OUT) :: IWORK(1: 5*N)
26!  .. Parameters ..
27      CHARACTER(LEN=8),  PARAMETER :: SRNAME = 'LA_SBEVX'
28      CHARACTER(LEN=14), PARAMETER :: SRNAMT = 'LA_TEST_DSBEVX'
29!  .. Common blocks ..
30      INTEGER :: INFOTC
31      COMMON /LINFO95/ INFOTC
32!  .. Local Scalars ..
33      INTEGER :: I, J, IAB1, IAB2, IW, IZ1, IZ2, IQ1, IQ2, &
34     &  IIL, IIU, IIFAIL
35      REAL(WP) :: IVL, IVU
36      CHARACTER*1 :: IUPLO, IJOBZ, IRANGE
37!  .. Local Arrays ..
38      LOGICAL, SAVE :: CTEST = .TRUE., ETEST = .TRUE.
39      LOGICAL LSAME
40!  .. Executable Statements ..
41      IAB1 = KD+1 ; IAB2 = N; IUPLO = UPLO; IW = N; IJOBZ = JOBZ
42      IZ1 = N; IZ2 = N; IRANGE = RANGE; IVL=VL; IVU=VU; IQ1 = N
43      IQ2 = N; IIL=IL; IIU=IU; IIFAIL=N
44      I = INFO / 100; J = INFO - I*100
45      SELECT CASE(I)
46      CASE (1)
47      IAB1 = -2
48      CASE (2)
49      IW = IW - 1
50      CASE (3)
51      IUPLO = 'T'
52      CASE (4)
53      IZ1 = IZ1 - 1; IJOBZ = 'V'
54      CASE (5)
55      IVL = IVU+1; IJOBZ = 'V'; IRANGE = 'V'
56      CASE (6)
57      IJOBZ = 'V'; IRANGE = 'V'
58      CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO, &
59     &  Z(1:IZ1, 1: IZ2), IVL, IVU, IIL, IIU, M, IFAIL, &
60     &  Q, ABSTOL, INFO )
61      CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT )
62      RETURN
63      CASE (7)
64      IJOBZ = 'V'; IRANGE = 'I'
65      IIL = IIU+1
66      CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO, &
67     &  Z(1:IZ1, 1: IZ2), IL=IIL, IU=IIU, M=M, IFAIL=IFAIL(1:IIFAIL),&
68     &  Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
69      CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT )
70      RETURN
71      CASE (8)
72      IJOBZ = 'V'; IRANGE = 'I'
73      IIU = IZ1+1; IIL = IIU
74      CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO, &
75     &  Z(1:IZ1, 1: IZ2), IL=IIL, IU=IIU, M=M, IFAIL=IFAIL(1:IIFAIL),&
76     &  Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
77      CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT )
78      RETURN
79      CASE (10)
80      IIFAIL = IZ1 - 3
81      IJOBZ = 'V'; IRANGE = 'V'
82      CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO,&
83     &  Z(1:IZ1, 1: IZ2), IVL, IVU, M=M, IFAIL=IFAIL(1:IIFAIL),&
84     &  Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
85      CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT )
86      RETURN
87      CASE (11)
88      IJOBZ = 'V'; IRANGE = 'V'
89      IQ1 = IZ1 - 3
90      CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO,&
91     &  Z(1:IZ1, 1: IZ2), IVL, IVU, M=M, IFAIL=IFAIL(1:IIFAIL),&
92     &  Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
93      CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT )
94      RETURN
95      CASE(:-1,9,12:)
96      CALL UESTOP(SRNAMT)
97      END SELECT
98      IF (LSAME (IJOBZ, 'V')) THEN
99        IF(LSAME(IRANGE,'V')) THEN
100          CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO,&
101     &      Z(1:IZ1, 1: IZ2), IVL, IVU, M=M, IFAIL=IFAIL(1:IIFAIL),&
102     &      Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
103        ELSE IF (LSAME(IRANGE,'I')) THEN
104          CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO, &
105     &      Z(1:IZ1, 1: IZ2), IL=IIL, IU=IIU, M=M, IFAIL=IFAIL(1:IIFAIL),&
106     &      Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
107        ELSE IF (LSAME(IRANGE,'A')) THEN
108          CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO,&
109     &      Z(1:IZ1, 1: IZ2), M=M, IFAIL=IFAIL(1:IIFAIL), &
110     &      Q=Q(1:IQ1,1:IQ2), ABSTOL=ABSTOL, INFO=INFO )
111        ENDIF
112      ELSE
113        IF (LSAME(IRANGE,'V')) THEN
114          CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO, &
115     &      VL=IVL, VU=IVU, M=M, ABSTOL=ABSTOL, INFO=INFO )
116        ELSE IF (LSAME(IRANGE,'I')) THEN
117          CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO,&
118     &      IL=IIL, IU=IIU, M=M, ABSTOL=ABSTOL, INFO=INFO )
119        ELSE IF (LSAME(IRANGE,'A')) THEN
120          CALL LA_SBEVX( AB(1:IAB1,1:IAB2), W(1 :IW), IUPLO,&
121     &      M=M, ABSTOL=ABSTOL, INFO=INFO )
122        ENDIF
123      ENDIF
124
125      CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT )
126      END SUBROUTINE LA_TEST_DSBEVX
127