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 #if defined(QD_API) && !defined(FLENS_HACKS_QD_H)
34 #define FLENS_HACKS_QD_H 1
35
36 #include <flens/aux/explicit_cast.h>
37
38 namespace std {
39
40 //
41 // signbit
42 // TODO: At the moment this functions returns signbit(x[0]). We have
43 // to figure out how we actually get the signbit ...
44 //
45
46 int
47 signbit(const dd_real &x);
48
49 int
50 signbit(const qd_real &x);
51
52 } // namespace std
53
54
55 namespace flens {
56
57 //
58 // dd_real explicit_cast
59 //
60
61 template <>
62 int
63 explicit_cast(const dd_real &from);
64
65 template <>
66 double
67 explicit_cast(const dd_real &from);
68
69 //
70 // qd_real explicit_cast
71 //
72
73 template <>
74 int
75 explicit_cast(const qd_real &from);
76
77 template <>
78 double
79 explicit_cast(const qd_real &from);
80
81 template <>
82 dd_real
83 explicit_cast(const qd_real &from);
84
85 } // namespace flens
86
87 #endif // defined(QD_API) && !defined(FLENS_HACKS_QD_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 #if defined(QD_API) && !defined(FLENS_HACKS_QD_H)
34 #define FLENS_HACKS_QD_H 1
35
36 #include <flens/aux/explicit_cast.h>
37
38 namespace std {
39
40 //
41 // signbit
42 // TODO: At the moment this functions returns signbit(x[0]). We have
43 // to figure out how we actually get the signbit ...
44 //
45
46 int
47 signbit(const dd_real &x);
48
49 int
50 signbit(const qd_real &x);
51
52 } // namespace std
53
54
55 namespace flens {
56
57 //
58 // dd_real explicit_cast
59 //
60
61 template <>
62 int
63 explicit_cast(const dd_real &from);
64
65 template <>
66 double
67 explicit_cast(const dd_real &from);
68
69 //
70 // qd_real explicit_cast
71 //
72
73 template <>
74 int
75 explicit_cast(const qd_real &from);
76
77 template <>
78 double
79 explicit_cast(const qd_real &from);
80
81 template <>
82 dd_real
83 explicit_cast(const qd_real &from);
84
85 } // namespace flens
86
87 #endif // defined(QD_API) && !defined(FLENS_HACKS_QD_H)