1 /*
2 * Copyright (c) 2011, 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 /* Based on
34 *
35 SUBROUTINE DLACN2( N, V, X, ISGN, EST, KASE, ISAVE )
36 *
37 * -- LAPACK auxiliary routine (version 3.2) --
38 * -- LAPACK is a software package provided by Univ. of Tennessee, --
39 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
40 * November 2006
41 *
42 */
43
44 #ifndef FLENS_LAPACK_AUX_LACN2_H
45 #define FLENS_LAPACK_AUX_LACN2_H 1
46
47 #include <cmath>
48
49 namespace flens { namespace lapack {
50
51 //== lacn2 =====================================================================
52 template <typename VV, typename VX, typename VSGN, typename EST,
53 typename IndexType, typename VSAVE>
54 void
55 lacn2(DenseVector<VV> &v, DenseVector<VX> &x, DenseVector<VSGN> &sgn,
56 EST &est, IndexType &kase, DenseVector<VSAVE> &iSave);
57
58 //-- forwarding ----------------------------------------------------------------
59 template <typename VV, typename VX, typename VSGN, typename EST,
60 typename IndexType, typename VSAVE>
61 void
62 lacn2(VV &&v, VX &&x, VSGN &&sgn, EST &&est,
63 IndexType &&kase, VSAVE &&iSave);
64
65 } } // namespace lapack, flens
66
67 #endif // FLENS_LAPACK_AUX_LACN2_H
2 * Copyright (c) 2011, 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 /* Based on
34 *
35 SUBROUTINE DLACN2( N, V, X, ISGN, EST, KASE, ISAVE )
36 *
37 * -- LAPACK auxiliary routine (version 3.2) --
38 * -- LAPACK is a software package provided by Univ. of Tennessee, --
39 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
40 * November 2006
41 *
42 */
43
44 #ifndef FLENS_LAPACK_AUX_LACN2_H
45 #define FLENS_LAPACK_AUX_LACN2_H 1
46
47 #include <cmath>
48
49 namespace flens { namespace lapack {
50
51 //== lacn2 =====================================================================
52 template <typename VV, typename VX, typename VSGN, typename EST,
53 typename IndexType, typename VSAVE>
54 void
55 lacn2(DenseVector<VV> &v, DenseVector<VX> &x, DenseVector<VSGN> &sgn,
56 EST &est, IndexType &kase, DenseVector<VSAVE> &iSave);
57
58 //-- forwarding ----------------------------------------------------------------
59 template <typename VV, typename VX, typename VSGN, typename EST,
60 typename IndexType, typename VSAVE>
61 void
62 lacn2(VV &&v, VX &&x, VSGN &&sgn, EST &&est,
63 IndexType &&kase, VSAVE &&iSave);
64
65 } } // namespace lapack, flens
66
67 #endif // FLENS_LAPACK_AUX_LACN2_H