1 | /* |
2 | * Copyright (c) 2015, Intel Corporation |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
7 | * * Redistributions of source code must retain the above copyright notice, |
8 | * this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of Intel Corporation nor the names of its contributors |
13 | * may be used to endorse or promote products derived from this software |
14 | * without specific prior written permission. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | /** \file |
30 | * \brief Data types used to represent depth quantities. |
31 | */ |
32 | #include "depth.h" |
33 | #include "ue2common.h" |
34 | |
35 | #include <algorithm> // std::min, std::max |
36 | |
37 | namespace ue2 { |
38 | |
39 | DepthMinMax unionDepthMinMax(const DepthMinMax &a, const DepthMinMax &b) { |
40 | DepthMinMax rv; |
41 | |
42 | if (a.min.is_unreachable()) { |
43 | rv.min = b.min; |
44 | } else if (b.min.is_unreachable()) { |
45 | rv.min = a.min; |
46 | } else { |
47 | rv.min = std::min(a.min, b.min); |
48 | } |
49 | |
50 | if (a.max.is_infinite() || b.max.is_infinite()) { |
51 | rv.max = depth::infinity(); |
52 | } else if (a.max.is_unreachable()) { |
53 | rv.max = b.max; |
54 | } else if (b.max.is_unreachable()) { |
55 | rv.max = a.max; |
56 | } else { |
57 | rv.max = std::max(a.max, b.max); |
58 | } |
59 | |
60 | return rv; |
61 | } |
62 | |
63 | } // namespace ue2 |
64 | |
65 | #ifdef DUMP_SUPPORT |
66 | |
67 | #include <sstream> |
68 | #include <string> |
69 | |
70 | namespace ue2 { |
71 | |
72 | std::string depth::str() const { |
73 | if (is_unreachable()) { |
74 | return "unr" ; |
75 | } else if (is_infinite()) { |
76 | return "inf" ; |
77 | } |
78 | std::ostringstream oss; |
79 | oss << val; |
80 | return oss.str(); |
81 | } |
82 | |
83 | std::string DepthMinMax::str() const { |
84 | std::ostringstream oss; |
85 | oss << "[" << min.str() << "," << max.str() << "]" ; |
86 | return oss.str(); |
87 | } |
88 | |
89 | } // namespace ue2 |
90 | |
91 | #endif // DUMP_SUPPORT |
92 | |