1: *> \brief \b LSAMEN
2: *
3: * =========== DOCUMENTATION ===========
4: *
5: * Online html documentation available at
6: * http://www.netlib.org/lapack/explore-html/
7: *
8: *> \htmlonly
9: *> Download LSAMEN + dependencies
10: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/lsamen.f">
11: *> [TGZ]</a>
12: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/lsamen.f">
13: *> [ZIP]</a>
14: *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/lsamen.f">
15: *> [TXT]</a>
16: *> \endhtmlonly
17: *
18: * Definition:
19: * ===========
20: *
21: * LOGICAL FUNCTION LSAMEN( N, CA, CB )
22: *
23: * .. Scalar Arguments ..
24: * CHARACTER*( * ) CA, CB
25: * INTEGER N
26: * ..
27: *
28: *
29: *> \par Purpose:
30: * =============
31: *>
32: *> \verbatim
33: *>
34: *> LSAMEN tests if the first N letters of CA are the same as the
35: *> first N letters of CB, regardless of case.
36: *> LSAMEN returns .TRUE. if CA and CB are equivalent except for case
37: *> and .FALSE. otherwise. LSAMEN also returns .FALSE. if LEN( CA )
38: *> or LEN( CB ) is less than N.
39: *> \endverbatim
40: *
41: * Arguments:
42: * ==========
43: *
44: *> \param[in] N
45: *> \verbatim
46: *> N is INTEGER
47: *> The number of characters in CA and CB to be compared.
48: *> \endverbatim
49: *>
50: *> \param[in] CA
51: *> \verbatim
52: *> CA is CHARACTER*(*)
53: *> \endverbatim
54: *>
55: *> \param[in] CB
56: *> \verbatim
57: *> CB is CHARACTER*(*)
58: *> CA and CB specify two character strings of length at least N.
59: *> Only the first N characters of each string will be accessed.
60: *> \endverbatim
61: *
62: * Authors:
63: * ========
64: *
65: *> \author Univ. of Tennessee
66: *> \author Univ. of California Berkeley
67: *> \author Univ. of Colorado Denver
68: *> \author NAG Ltd.
69: *
70: *> \ingroup OTHERauxiliary
71: *
72: * =====================================================================
73: LOGICAL FUNCTION LSAMEN( N, CA, CB )
74: *
75: * -- LAPACK auxiliary routine --
76: * -- LAPACK is a software package provided by Univ. of Tennessee, --
77: * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
78: *
79: * .. Scalar Arguments ..
80: CHARACTER*( * ) CA, CB
81: INTEGER N
82: * ..
83: *
84: * =====================================================================
85: *
86: * .. Local Scalars ..
87: INTEGER I
88: * ..
89: * .. External Functions ..
90: LOGICAL LSAME
91: EXTERNAL LSAME
92: * ..
93: * .. Intrinsic Functions ..
94: INTRINSIC LEN
95: * ..
96: * .. Executable Statements ..
97: *
98: LSAMEN = .FALSE.
99: IF( LEN( CA ).LT.N .OR. LEN( CB ).LT.N )
100: $ GO TO 20
101: *
102: * Do for each character in the two strings.
103: *
104: DO 10 I = 1, N
105: *
106: * Test if the characters are equal using LSAME.
107: *
108: IF( .NOT.LSAME( CA( I: I ), CB( I: I ) ) )
109: $ GO TO 20
110: *
111: 10 CONTINUE
112: LSAMEN = .TRUE.
113: *
114: 20 CONTINUE
115: RETURN
116: *
117: * End of LSAMEN
118: *
119: END
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