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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2016
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 */
33
34namespace Gecode { namespace Float {
35
36 /// Float trace view
37 class FloatTraceView {
38 public:
39 /// Default constructor (initializes with no view)
40 FloatTraceView(void);
41 /// Duplicate view \a y
42 FloatTraceView(Space& home, FloatView y);
43 /// Update duplicated view from view \a y and delta \a d
44 void prune(Space& home, FloatView y, const Delta& d);
45 /// Update during cloning
46 void update(Space& home, FloatTraceView x);
47 /// Return slack of \a x
48 static FloatNum slack(FloatView x);
49 };
50
51 forceinline
52 FloatTraceView::FloatTraceView(void) {}
53 forceinline
54 FloatTraceView::FloatTraceView(Space&, FloatView) {}
55 forceinline void
56 FloatTraceView::prune(Space&, FloatView, const Delta&) {}
57 forceinline void
58 FloatTraceView::update(Space&, FloatTraceView) {}
59 forceinline FloatNum
60 FloatTraceView::slack(FloatView x) {
61 return x.size();
62 }
63
64}}
65
66// STATISTICS: float-trace