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_ORM2R_TCC
34 #define CXXLAPACK_INTERFACE_ORM2R_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
orm2r(char side,char trans,IndexType m,IndexType n,IndexType k,const float * A,IndexType ldA,const float * tau,float * C,IndexType ldC,float * work)44 orm2r(char          side,
45       char          trans,
46       IndexType     m,
47       IndexType     n,
48       IndexType     k,
49       const float   *A,
50       IndexType     ldA,
51       const float   *tau,
52       float         *C,
53       IndexType     ldC,
54       float         *work)
55 {
56     CXXLAPACK_DEBUG_OUT("sorm2r");
57 
58     IndexType info;
59     LAPACK_IMPL(sorm2r)(&side,
60                         &trans,
61                         &m,
62                         &n,
63                         &k,
64                         A,
65                         &ldA,
66                         tau,
67                         C,
68                         &ldC,
69                         work,
70                         &info);
71 #   ifndef NDEBUG
72     if (info<0) {
73         std::cerr << "info = " << info << std::endl;
74     }
75 #   endif
76     ASSERT(info>=0);
77     return info;
78 }
79 
80 template <typename IndexType>
81 IndexType
orm2r(char side,char trans,IndexType m,IndexType n,IndexType k,const double * A,IndexType ldA,const double * tau,double * C,IndexType ldC,double * work)82 orm2r(char          side,
83       char          trans,
84       IndexType     m,
85       IndexType     n,
86       IndexType     k,
87       const double  *A,
88       IndexType     ldA,
89       const double  *tau,
90       double        *C,
91       IndexType     ldC,
92       double        *work)
93 {
94     CXXLAPACK_DEBUG_OUT("dorm2r");
95 
96     IndexType info;
97     LAPACK_IMPL(dorm2r)(&side,
98                         &trans,
99                         &m,
100                         &n,
101                         &k,
102                         A,
103                         &ldA,
104                         tau,
105                         C,
106                         &ldC,
107                         work,
108                         &info);
109 #   ifndef NDEBUG
110     if (info<0) {
111         std::cerr << "info = " << info << std::endl;
112     }
113 #   endif
114     ASSERT(info>=0);
115     return info;
116 }
117 
118 } // namespace cxxlapack
119 
120 #endif // CXXLAPACK_INTERFACE_ORM2R_TCC
121