| Name | Total Lines | Lines of Code | Total Coverage | Code Coverage |
|---|---|---|---|---|
| lib/gecoder/interface/constraints/int/domain.rb | 80 | 42 | 100.00%
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100.00%
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Code reported as executed by Ruby looks like this...and this: this line is also marked as covered.Lines considered as run by rcov, but not reported by Ruby, look like this,and this: these lines were inferred by rcov (using simple heuristics).Finally, here's a line marked as not executed.
1 module Gecode::Int |
2 class IntConstraintReceiver |
3 # Creates a domain constraint using the specified domain, specified |
4 # as an enumeration of integers. The integer operand is constrained |
5 # to take a value in the domain. Domains should be specified as |
6 # ranges if possible. |
7 # |
8 # ==== Examples |
9 # |
10 # # +x+ must be in the range 1..10 |
11 # x.must_be.in 1..10 |
12 # |
13 # # +x+ must not be in the range -5...5 |
14 # x.must_not_be.in -5...5 |
15 # |
16 # # Specifies the above, but reifies the constraint with the boolean |
17 # # operand +bool+ and specified +value+ as strength. |
18 # x.must_not_be.in(-5...5, :reify => bool, :strength => :value) |
19 # |
20 # # +x+ must be in the enumeration [3,5,7]. |
21 # x.must_be.in [3,5,7] |
22 # |
23 # # +x+ must not be in the enumeration [5,6,7,17]. |
24 # x.must_not_be.in [5,6,7,17] |
25 # |
26 # # Specifies the above, but reifies the constraint with the boolean |
27 # # operand +bool+ and specified +value+ as strength. |
28 # x.must_not_be.in([5,6,7,17], :reify => bool, :strength => :value) |
29 # |
30 def in(domain, options = {}) |
31 @params.update(Gecode::Util.decode_options(options)) |
32 @params[:domain] = domain |
33 if domain.kind_of? Range |
34 @model.add_constraint Domain::RangeDomainConstraint.new(@model, @params) |
35 elsif domain.kind_of?(Enumerable) and domain.all?{ |e| e.kind_of? Fixnum } |
36 @model.add_constraint Domain::EnumDomainConstraint.new(@model, |
37 @params) |
38 else |
39 raise TypeError, "Expected integer enumerable, got #{domain.class}." |
40 end |
41 end |
42 end |
43 |
44 # A module that gathers the classes and modules used in domain constraints. |
45 module Domain #:nodoc: |
46 # Range domain constraints specify that an integer operand must be |
47 # contained within a specified range of integers. |
48 class RangeDomainConstraint < Gecode::ReifiableConstraint #:nodoc: |
49 def post |
50 var, domain, reif_var = @params.values_at(:lhs, :domain, :reif) |
51 |
52 (params = []) << var.to_int_var.bind |
53 last = domain.last |
54 last -= 1 if domain.exclude_end? |
55 params << domain.first << last |
56 params << reif_var.to_bool_var.bind if reif_var.respond_to? :to_bool_var |
57 params.concat propagation_options |
58 |
59 Gecode::Raw::dom(@model.active_space, *params) |
60 end |
61 negate_using_reification |
62 end |
63 |
64 # Enum domain constraints specify that an integer operand must be contained |
65 # in an enumeration of integers. |
66 class EnumDomainConstraint < Gecode::ReifiableConstraint #:nodoc: |
67 def post |
68 var, domain, reif_var = @params.values_at(:lhs, :domain, :reif) |
69 |
70 (params = []) << var.to_int_var.bind |
71 params << Gecode::Util.constant_set_to_int_set(domain) |
72 params << reif_var.to_bool_var.bind if reif_var.respond_to? :to_bool_var |
73 params.concat propagation_options |
74 |
75 Gecode::Raw::dom(@model.active_space, *params) |
76 end |
77 negate_using_reification |
78 end |
79 end |
80 end |
Generated on Thu Jan 08 13:27:03 +0100 2015 with rcov 1.0.0