1 /*
2  *   Copyright (c) 2012, Michael Lehn, Klaus Pototzky
3  *
4  *   All rights reserved.
5  *
6  *   Redistribution and use in source and binary forms, with or without
7  *   modification, are permitted provided that the following conditions
8  *   are met:
9  *
10  *   1) Redistributions of source code must retain the above copyright
11  *      notice, this list of conditions and the following disclaimer.
12  *   2) Redistributions in binary form must reproduce the above copyright
13  *      notice, this list of conditions and the following disclaimer in
14  *      the documentation and/or other materials provided with the
15  *      distribution.
16  *   3) Neither the name of the FLENS development group nor the names of
17  *      its contributors may be used to endorse or promote products derived
18  *      from this software without specific prior written permission.
19  *
20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef CXXLAPACK_INTERFACE_LARRK_H
34 #define CXXLAPACK_INTERFACE_LARRK_H 1
35 
36 #include <complex>
37 
38 namespace cxxlapack {
39 
40 template <typename IndexType>
41     IndexType
42     larrk(IndexType             n,
43           IndexType             iw,
44           float                 gl,
45           float                 gu,
46           const float           *d,
47           const float           *e2,
48           float                 pivmin,
49           float                 reltol,
50           float                 &w,
51           float                 &werr);
52 
53 template <typename IndexType>
54     IndexType
55     larrk(IndexType             n,
56           IndexType             iw,
57           double                gl,
58           double                gu,
59           const double          *d,
60           const double          *e2,
61           double                pivmin,
62           double                reltol,
63           double                &w,
64           double                &werr);
65 
66 } // namespace cxxlapack
67 
68 #endif // CXXLAPACK_INTERFACE_LARRK_H
69