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_LASQ1_TCC
34 #define CXXLAPACK_INTERFACE_LASQ1_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
lasq1(IndexType n,float * d,float * e,float * work)44 lasq1(IndexType n,
45 float *d,
46 float *e,
47 float *work)
48 {
49 CXXLAPACK_DEBUG_OUT("slasq1");
50
51 IndexType info;
52 LAPACK_IMPL(slasq1)(&n,
53 d,
54 e,
55 work,
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
lasq1(IndexType n,double * d,double * e,double * work)69 lasq1(IndexType n,
70 double *d,
71 double *e,
72 double *work)
73 {
74 CXXLAPACK_DEBUG_OUT("dlasq1");
75
76 IndexType info;
77 LAPACK_IMPL(dlasq1)(&n,
78 d,
79 e,
80 work,
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 } // namespace cxxlapack
92
93 #endif // CXXLAPACK_INTERFACE_LASQ1_TCC
94