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_SYTRF_TCC
34 #define CXXLAPACK_INTERFACE_SYTRF_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
sytrf(char uplo,IndexType n,float * A,IndexType ldA,IndexType * iPiv,float * work,IndexType lWork)44 sytrf(char uplo,
45 IndexType n,
46 float *A,
47 IndexType ldA,
48 IndexType *iPiv,
49 float *work,
50 IndexType lWork)
51 {
52 CXXLAPACK_DEBUG_OUT("ssytrf");
53
54 IndexType info;
55 LAPACK_IMPL(ssytrf)(&uplo,
56 &n,
57 A,
58 &ldA,
59 iPiv,
60 work,
61 &lWork,
62 &info);
63 # ifndef NDEBUG
64 if (info<0) {
65 std::cerr << "info = " << info << std::endl;
66 }
67 # endif
68 ASSERT(info>=0);
69 return info;
70 }
71
72 template <typename IndexType>
73 IndexType
sytrf(char uplo,IndexType n,double * A,IndexType ldA,IndexType * iPiv,double * work,IndexType lWork)74 sytrf(char uplo,
75 IndexType n,
76 double *A,
77 IndexType ldA,
78 IndexType *iPiv,
79 double *work,
80 IndexType lWork)
81 {
82 CXXLAPACK_DEBUG_OUT("dsytrf");
83
84 IndexType info;
85 LAPACK_IMPL(dsytrf)(&uplo,
86 &n,
87 A,
88 &ldA,
89 iPiv,
90 work,
91 &lWork,
92 &info);
93 # ifndef NDEBUG
94 if (info<0) {
95 std::cerr << "info = " << info << std::endl;
96 }
97 # endif
98 ASSERT(info>=0);
99 return info;
100 }
101
102 template <typename IndexType>
103 IndexType
sytrf(char uplo,IndexType n,std::complex<float> * A,IndexType ldA,IndexType * iPiv,std::complex<float> * work,IndexType lWork)104 sytrf(char uplo,
105 IndexType n,
106 std::complex<float > *A,
107 IndexType ldA,
108 IndexType *iPiv,
109 std::complex<float > *work,
110 IndexType lWork)
111 {
112 CXXLAPACK_DEBUG_OUT("csytrf");
113
114 IndexType info;
115 LAPACK_IMPL(csytrf)(&uplo,
116 &n,
117 reinterpret_cast<float *>(A),
118 &ldA,
119 iPiv,
120 reinterpret_cast<float *>(work),
121 &lWork,
122 &info);
123 # ifndef NDEBUG
124 if (info<0) {
125 std::cerr << "info = " << info << std::endl;
126 }
127 # endif
128 ASSERT(info>=0);
129 return info;
130 }
131
132 template <typename IndexType>
133 IndexType
sytrf(char uplo,IndexType n,std::complex<double> * A,IndexType ldA,IndexType * iPiv,std::complex<double> * work,IndexType lWork)134 sytrf(char uplo,
135 IndexType n,
136 std::complex<double> *A,
137 IndexType ldA,
138 IndexType *iPiv,
139 std::complex<double> *work,
140 IndexType lWork)
141 {
142 CXXLAPACK_DEBUG_OUT("zsytrf");
143
144 IndexType info;
145 LAPACK_IMPL(zsytrf)(&uplo,
146 &n,
147 reinterpret_cast<double *>(A),
148 &ldA,
149 iPiv,
150 reinterpret_cast<double *>(work),
151 &lWork,
152 &info);
153 # ifndef NDEBUG
154 if (info<0) {
155 std::cerr << "info = " << info << std::endl;
156 }
157 # endif
158 ASSERT(info>=0);
159 return info;
160 }
161
162 } // namespace cxxlapack
163
164 #endif // CXXLAPACK_INTERFACE_SYTRF_TCC
165