1 /*
2 * Copyright (c) 2010, 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 FLENS_SCALAROPERATIONS_MINUS_H
34 #define FLENS_SCALAROPERATIONS_MINUS_H 1
35
36 #include <flens/aux/aux.h>
37 #include <flens/scalartypes/impl/scalarclosure.h>
38
39 namespace flens {
40
41 struct ScalarOpMinus {};
42
43 template <typename L, typename R>
44 const typename ScalarClosure<ScalarOpMinus, L, R>::ElementType
45 evalScalarClosure(const ScalarClosure<ScalarOpMinus, L, R> &exp);
46
47 //-- operator overloading
48 template <typename L, typename R>
49 const ScalarClosure<ScalarOpMinus,
50 typename L::Impl,
51 typename R::Impl>
52 operator-(const Scalar<L> &l, const Scalar<R> &r);
53
54 template <typename ALPHA, typename R>
55 const typename
56 RestrictTo<CompatibleScalar<ALPHA, R>::value,
57 ScalarClosure<ScalarOpMinus,
58 ScalarValue<ALPHA>,
59 typename R::Impl>
60 >::Type
61 operator-(const ALPHA &alpha, const Scalar<R> &r);
62
63 template <typename L, typename ALPHA>
64 const typename
65 RestrictTo<CompatibleScalar<ALPHA, L>::value,
66 ScalarClosure<ScalarOpMinus,
67 typename L::Impl,
68 ScalarValue<ALPHA> >
69 >::Type
70 operator-(const Scalar<L> &l, const ALPHA &alpha);
71
72 } // namespace flens
73
74 #endif // FLENS_SCALAROPERATIONS_MINUS_H
2 * Copyright (c) 2010, 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 FLENS_SCALAROPERATIONS_MINUS_H
34 #define FLENS_SCALAROPERATIONS_MINUS_H 1
35
36 #include <flens/aux/aux.h>
37 #include <flens/scalartypes/impl/scalarclosure.h>
38
39 namespace flens {
40
41 struct ScalarOpMinus {};
42
43 template <typename L, typename R>
44 const typename ScalarClosure<ScalarOpMinus, L, R>::ElementType
45 evalScalarClosure(const ScalarClosure<ScalarOpMinus, L, R> &exp);
46
47 //-- operator overloading
48 template <typename L, typename R>
49 const ScalarClosure<ScalarOpMinus,
50 typename L::Impl,
51 typename R::Impl>
52 operator-(const Scalar<L> &l, const Scalar<R> &r);
53
54 template <typename ALPHA, typename R>
55 const typename
56 RestrictTo<CompatibleScalar<ALPHA, R>::value,
57 ScalarClosure<ScalarOpMinus,
58 ScalarValue<ALPHA>,
59 typename R::Impl>
60 >::Type
61 operator-(const ALPHA &alpha, const Scalar<R> &r);
62
63 template <typename L, typename ALPHA>
64 const typename
65 RestrictTo<CompatibleScalar<ALPHA, L>::value,
66 ScalarClosure<ScalarOpMinus,
67 typename L::Impl,
68 ScalarValue<ALPHA> >
69 >::Type
70 operator-(const Scalar<L> &l, const ALPHA &alpha);
71
72 } // namespace flens
73
74 #endif // FLENS_SCALAROPERATIONS_MINUS_H