... | ... |
@@ -43,13 +43,13 @@ |
43 | 43 |
++len; |
44 | 44 |
} |
45 | 45 |
return len; |
46 | 46 |
} |
47 | 47 |
|
48 | 48 |
bool empty() const { |
49 |
return predMap[target] |
|
49 |
return predMap[target] == INVALID; |
|
50 | 50 |
} |
51 | 51 |
|
52 | 52 |
class RevArcIt { |
53 | 53 |
public: |
54 | 54 |
RevArcIt() {} |
55 | 55 |
RevArcIt(Invalid) : path(0), current(INVALID) {} |
... | ... |
@@ -117,13 +117,13 @@ |
117 | 117 |
++len; |
118 | 118 |
} |
119 | 119 |
return len; |
120 | 120 |
} |
121 | 121 |
|
122 | 122 |
bool empty() const { |
123 |
return source |
|
123 |
return predMatrixMap(source, target) == INVALID; |
|
124 | 124 |
} |
125 | 125 |
|
126 | 126 |
class RevArcIt { |
127 | 127 |
public: |
128 | 128 |
RevArcIt() {} |
129 | 129 |
RevArcIt(Invalid) : path(0), current(INVALID) {} |
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