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_LANGT_TCC
34 #define CXXLAPACK_INTERFACE_LANGT_TCC 1
35 
36 #include <iostream>
37 #include "xflens/cxxlapack/interface/interface.h"
38 #include "xflens/cxxlapack/netlib/netlib.h"
39 
40 namespace cxxlapack {
41 
42 template <typename IndexType>
43 float
langt(char norm,IndexType n,const float * dl,const float * d,const float * du)44 langt(char                  norm,
45       IndexType             n,
46       const float           *dl,
47       const float           *d,
48       const float           *du)
49 {
50     CXXLAPACK_DEBUG_OUT("slangt");
51 
52     return LAPACK_IMPL(slangt)(&norm,
53                                &n,
54                                dl,
55                                d,
56                                du);
57 }
58 
59 
60 template <typename IndexType>
61 double
langt(char norm,IndexType n,const double * dl,const double * d,const double * du)62 langt(char                  norm,
63       IndexType             n,
64       const double          *dl,
65       const double          *d,
66       const double          *du)
67 {
68     CXXLAPACK_DEBUG_OUT("dlangt");
69 
70     return LAPACK_IMPL(dlangt)(&norm,
71                                &n,
72                                dl,
73                                d,
74                                du);
75 }
76 
77 
78 template <typename IndexType>
79 float
langt(char norm,IndexType n,const std::complex<float> * dl,const std::complex<float> * d,const std::complex<float> * du)80 langt(char                        norm,
81       IndexType                   n,
82       const std::complex<float >  *dl,
83       const std::complex<float >  *d,
84       const std::complex<float >  *du)
85 {
86     CXXLAPACK_DEBUG_OUT("clangt");
87 
88     return LAPACK_IMPL(clangt)(&norm,
89                                &n,
90                                reinterpret_cast<const float  *>(dl),
91                                reinterpret_cast<const float  *>(d),
92                                reinterpret_cast<const float  *>(du));
93 }
94 
95 template <typename IndexType>
96 double
langt(char norm,IndexType n,const std::complex<double> * dl,const std::complex<double> * d,const std::complex<double> * du)97 langt(char                        norm,
98       IndexType                   n,
99       const std::complex<double>  *dl,
100       const std::complex<double>  *d,
101       const std::complex<double>  *du)
102 {
103     CXXLAPACK_DEBUG_OUT("zlangt");
104 
105     return LAPACK_IMPL(zlangt)(&norm,
106                                &n,
107                                reinterpret_cast<const double *>(dl),
108                                reinterpret_cast<const double *>(d),
109                                reinterpret_cast<const double *>(du));
110 }
111 
112 } // namespace cxxlapack
113 
114 #endif // CXXLAPACK_INTERFACE_LANGT_TCC
115