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_LAUUM_TCC
34 #define CXXLAPACK_INTERFACE_LAUUM_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
lauum(char upLo,IndexType n,float * A,IndexType ldA)44 lauum(char upLo,
45 IndexType n,
46 float *A,
47 IndexType ldA)
48 {
49 CXXLAPACK_DEBUG_OUT("slauum");
50
51 IndexType info;
52 LAPACK_IMPL(slauum)(&upLo,
53 &n,
54 A,
55 &ldA,
56 &info);
57 # ifndef NDEBUG
58 if (info<0) {
59 std::cerr << "info = " << info << std::endl;
60 }
61 # endif
62 ASSERT(info>=0);
63 return info;
64 }
65
66
67 template <typename IndexType>
68 IndexType
lauum(char upLo,IndexType n,double * A,IndexType ldA)69 lauum(char upLo,
70 IndexType n,
71 double *A,
72 IndexType ldA)
73 {
74 CXXLAPACK_DEBUG_OUT("dlauum");
75
76 IndexType info;
77 LAPACK_IMPL(dlauum)(&upLo,
78 &n,
79 A,
80 &ldA,
81 &info);
82 # ifndef NDEBUG
83 if (info<0) {
84 std::cerr << "info = " << info << std::endl;
85 }
86 # endif
87 ASSERT(info>=0);
88 return info;
89 }
90
91 template <typename IndexType>
92 IndexType
lauum(char upLo,IndexType n,std::complex<float> * A,IndexType ldA)93 lauum(char upLo,
94 IndexType n,
95 std::complex<float > *A,
96 IndexType ldA)
97 {
98 CXXLAPACK_DEBUG_OUT("clauum");
99
100 IndexType info;
101 LAPACK_IMPL(clauum)(&upLo,
102 &n,
103 reinterpret_cast<float *>(A),
104 &ldA,
105 &info);
106 # ifndef NDEBUG
107 if (info<0) {
108 std::cerr << "info = " << info << std::endl;
109 }
110 # endif
111 ASSERT(info>=0);
112 return info;
113 }
114
115 template <typename IndexType>
116 IndexType
lauum(char upLo,IndexType n,std::complex<double> * A,IndexType ldA)117 lauum(char upLo,
118 IndexType n,
119 std::complex<double> *A,
120 IndexType ldA)
121 {
122 CXXLAPACK_DEBUG_OUT("zlauum");
123
124 IndexType info;
125 LAPACK_IMPL(zlauum)(&upLo,
126 &n,
127 reinterpret_cast<double *>(A),
128 &ldA,
129 &info);
130 # ifndef NDEBUG
131 if (info<0) {
132 std::cerr << "info = " << info << std::endl;
133 }
134 # endif
135 ASSERT(info>=0);
136 return info;
137 }
138
139 } // namespace cxxlapack
140
141 #endif // CXXLAPACK_INTERFACE_LAUUM_TCC
142