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_LAEXC_TCC
34 #define CXXLAPACK_INTERFACE_LAEXC_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
laexc(bool wantQ,IndexType n,float * T,IndexType ldT,float * Q,IndexType ldQ,IndexType j1,IndexType n1,IndexType n2,float * work)44 laexc(bool wantQ,
45 IndexType n,
46 float *T,
47 IndexType ldT,
48 float *Q,
49 IndexType ldQ,
50 IndexType j1,
51 IndexType n1,
52 IndexType n2,
53 float *work)
54 {
55 CXXLAPACK_DEBUG_OUT("slaexc");
56
57 IndexType info;
58 IndexType wantQ_ = wantQ;
59 LAPACK_IMPL(slaexc)(&wantQ_,
60 &n,
61 T,
62 &ldT,
63 Q,
64 &ldQ,
65 &j1,
66 &n1,
67 &n2,
68 work,
69 &info);
70 # ifndef NDEBUG
71 if (info<0) {
72 std::cerr << "info = " << info << std::endl;
73 }
74 # endif
75 ASSERT(info>=0);
76 return info;
77 }
78
79 template <typename IndexType>
80 IndexType
laexc(bool wantQ,IndexType n,double * T,IndexType ldT,double * Q,IndexType ldQ,IndexType j1,IndexType n1,IndexType n2,double * work)81 laexc(bool wantQ,
82 IndexType n,
83 double *T,
84 IndexType ldT,
85 double *Q,
86 IndexType ldQ,
87 IndexType j1,
88 IndexType n1,
89 IndexType n2,
90 double *work)
91 {
92 CXXLAPACK_DEBUG_OUT("dlaexc");
93
94 IndexType info;
95 IndexType wantQ_ = wantQ;
96 LAPACK_IMPL(dlaexc)(&wantQ_,
97 &n,
98 T,
99 &ldT,
100 Q,
101 &ldQ,
102 &j1,
103 &n1,
104 &n2,
105 work,
106 &info);
107 # ifndef NDEBUG
108 if (info<0) {
109 std::cerr << "info = " << info << std::endl;
110 }
111 # endif
112 ASSERT(info>=0);
113 return info;
114 }
115
116 } // namespace cxxlapack
117
118 #endif // CXXLAPACK_INTERFACE_LAEXC_TCC
119