1 /*
2  *   Copyright (c) 2012, Michael Lehn
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_POSV_TCC
34 #define CXXLAPACK_INTERFACE_POSV_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 IndexType
posv(char upLo,IndexType n,IndexType nRhs,float * A,IndexType ldA,float * B,IndexType ldB)44 posv(char           upLo,
45      IndexType      n,
46      IndexType      nRhs,
47      float          *A,
48      IndexType      ldA,
49      float          *B,
50      IndexType      ldB)
51 {
52     IndexType info;
53     CXXLAPACK_DEBUG_OUT("sposv");
54     LAPACK_IMPL(sposv)(&upLo,
55                        &n,
56                        &nRhs,
57                        A,
58                        &ldA,
59                        B,
60                        &ldB,
61                        &info);
62 #   ifndef NDEBUG
63     if (info<0) {
64         std::cerr << "info = " << info << std::endl;
65     }
66 #   endif
67     ASSERT(info>=0);
68     return info;
69 }
70 
71 
72 template <typename IndexType>
73 IndexType
posv(char upLo,IndexType n,IndexType nRhs,double * A,IndexType ldA,double * B,IndexType ldB)74 posv(char           upLo,
75      IndexType      n,
76      IndexType      nRhs,
77      double         *A,
78      IndexType      ldA,
79      double         *B,
80      IndexType      ldB)
81 {
82     IndexType info;
83     CXXLAPACK_DEBUG_OUT("dposv");
84     LAPACK_IMPL(dposv)(&upLo,
85                        &n,
86                        &nRhs,
87                        A,
88                        &ldA,
89                        B,
90                        &ldB,
91                        &info);
92 #   ifndef NDEBUG
93     if (info<0) {
94         std::cerr << "info = " << info << std::endl;
95     }
96 #   endif
97     ASSERT(info>=0);
98     return info;
99 }
100 
101 template <typename IndexType>
102 IndexType
posv(char upLo,IndexType n,IndexType nRhs,std::complex<float> * A,IndexType ldA,std::complex<float> * B,IndexType ldB)103 posv(char                   upLo,
104      IndexType              n,
105      IndexType              nRhs,
106      std::complex<float >   *A,
107      IndexType              ldA,
108      std::complex<float >   *B,
109      IndexType              ldB)
110 {
111     IndexType info;
112     CXXLAPACK_DEBUG_OUT("cposv");
113     LAPACK_IMPL(cposv)(&upLo,
114                        &n,
115                        &nRhs,
116                        reinterpret_cast<float  *>(A),
117                        &ldA,
118                        reinterpret_cast<float  *>(B),
119                        &ldB,
120                        &info);
121 #   ifndef NDEBUG
122     if (info<0) {
123         std::cerr << "info = " << info << std::endl;
124     }
125 #   endif
126     ASSERT(info>=0);
127     return info;
128 }
129 
130 template <typename IndexType>
131 IndexType
posv(char upLo,IndexType n,IndexType nRhs,std::complex<double> * A,IndexType ldA,std::complex<double> * B,IndexType ldB)132 posv(char                   upLo,
133      IndexType              n,
134      IndexType              nRhs,
135      std::complex<double>   *A,
136      IndexType              ldA,
137      std::complex<double>   *B,
138      IndexType              ldB)
139 {
140     IndexType info;
141     CXXLAPACK_DEBUG_OUT("zposv");
142     LAPACK_IMPL(zposv)(&upLo,
143                        &n,
144                        &nRhs,
145                        reinterpret_cast<double *>(A),
146                        &ldA,
147                        reinterpret_cast<double *>(B),
148                        &ldB,
149                        &info);
150 #   ifndef NDEBUG
151     if (info<0) {
152         std::cerr << "info = " << info << std::endl;
153     }
154 #   endif
155     ASSERT(info>=0);
156     return info;
157 }
158 
159 } // namespace cxxlapack
160 
161 #endif // CXXLAPACK_INTERFACE_POSV_TCC
162