source: src/ResolvExpr/Cost.h@ d1685588

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since d1685588 was 7ebaa56, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

Add reference cost field to cost tuple
  • Property mode set to 100644
File size: 3.8 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// Cost.h --
8//
9// Author : Richard C. Bilson
10// Created On : Sun May 17 09:39:50 2015
11// Last Modified By : Rob Schluntz
12// Last Modified On : Wed Jul 22 16:43:10 2015
13// Update Count : 4
14//
15
16#ifndef COST_H
17#define COST_H
18
19#include <iostream>
20
21namespace ResolvExpr {
22 class Cost {
23 private:
24 Cost( int unsafeCost, int polyCost, int safeCost, int referenceCost );
25
26 public:
27 Cost & incUnsafe( int inc = 1 );
28 Cost & incPoly( int inc = 1 );
29 Cost & incSafe( int inc = 1 );
30 Cost & incReference( int inc = 1 );
31
32 Cost operator+( const Cost &other ) const;
33 Cost operator-( const Cost &other ) const;
34 Cost &operator+=( const Cost &other );
35 bool operator<( const Cost &other ) const;
36 bool operator==( const Cost &other ) const;
37 bool operator!=( const Cost &other ) const;
38 friend std::ostream &operator<<( std::ostream &os, const Cost &cost );
39
40 static const Cost zero;
41 static const Cost infinity;
42
43 static const Cost unsafe;
44 static const Cost poly;
45 static const Cost safe;
46 static const Cost reference;
47 private:
48 int compare( const Cost &other ) const;
49
50 int unsafeCost;
51 int polyCost;
52 int safeCost;
53 int referenceCost;
54 };
55
56 inline Cost::Cost( int unsafeCost, int polyCost, int safeCost, int referenceCost ) : unsafeCost( unsafeCost ), polyCost( polyCost ), safeCost( safeCost ), referenceCost( referenceCost ) {}
57
58 inline Cost & Cost::incUnsafe( int inc ) {
59 unsafeCost += inc;
60 return *this;
61 }
62
63 inline Cost & Cost::incPoly( int inc ) {
64 polyCost += inc;
65 return *this;
66 }
67
68 inline Cost & Cost::incSafe( int inc ) {
69 safeCost += inc;
70 return *this;
71 }
72
73 inline Cost & Cost::incReference( int inc ) {
74 referenceCost += inc;
75 return *this;
76 }
77
78 inline Cost Cost::operator+( const Cost &other ) const {
79 return Cost( unsafeCost + other.unsafeCost, polyCost + other.polyCost, safeCost + other.safeCost, referenceCost + other.referenceCost );
80 }
81
82 inline Cost Cost::operator-( const Cost &other ) const {
83 return Cost( unsafeCost - other.unsafeCost, polyCost - other.polyCost, safeCost - other.safeCost, referenceCost - other.referenceCost );
84 }
85
86 inline Cost &Cost::operator+=( const Cost &other ) {
87 unsafeCost += other.unsafeCost;
88 polyCost += other.polyCost;
89 safeCost += other.safeCost;
90 referenceCost += other.referenceCost;
91 return *this;
92 }
93
94 inline bool Cost::operator<( const Cost &other ) const {
95 if ( *this == infinity ) return false;
96 if ( other == infinity ) return true;
97
98 if ( unsafeCost > other.unsafeCost ) {
99 return false;
100 } else if ( unsafeCost < other.unsafeCost ) {
101 return true;
102 } else if ( polyCost > other.polyCost ) {
103 return false;
104 } else if ( polyCost < other.polyCost ) {
105 return true;
106 } else if ( safeCost > other.safeCost ) {
107 return false;
108 } else if ( safeCost < other.safeCost ) {
109 return true;
110 } else if ( referenceCost > other.referenceCost ) {
111 return false;
112 } else if ( referenceCost < other.referenceCost ) {
113 return true;
114 } else {
115 return false;
116 } // if
117 }
118
119 inline bool Cost::operator==( const Cost &other ) const {
120 return unsafeCost == other.unsafeCost
121 && polyCost == other.polyCost
122 && safeCost == other.safeCost
123 && referenceCost == other.referenceCost;
124 }
125
126 inline bool Cost::operator!=( const Cost &other ) const {
127 return !( *this == other );
128 }
129
130 inline std::ostream &operator<<( std::ostream &os, const Cost &cost ) {
131 os << "( " << cost.unsafeCost << ", " << cost.polyCost << ", " << cost.safeCost << ", " << cost.referenceCost << " )";
132 return os;
133 }
134} // namespace ResolvExpr
135
136#endif // COST_H
137
138// Local Variables: //
139// tab-width: 4 //
140// mode: c++ //
141// compile-command: "make install" //
142// End: //
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