- Timestamp:
- Aug 23, 2017, 9:02:41 PM (7 years ago)
- Branches:
- ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc
- Children:
- 7ece922
- Parents:
- d3e4d6c
- Location:
- src/tests
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
src/tests/avltree/avl3.c
rd3e4d6c rcb811ac 3 3 #include <stdlib> 4 4 5 // from stdlib6 forall(otype T)7 void swap(T *, T *);8 9 5 // swaps the data within two tree nodes 10 6 forall(otype K | Comparable(K), otype V) 11 7 void node_swap(tree(K, V) * t, tree(K, V) * t2){ 12 swap(&t->key, &t2->key);13 swap(&t->value, &t2->value);8 swap( t->key, t2->key); 9 swap( t->value, t2->value); 14 10 } 15 11 … … 17 13 forall(otype K | Comparable(K), otype V) 18 14 tree(K, V) * find_successor(tree(K, V) * t){ 19 20 21 22 23 24 25 26 27 15 tree(K, V) * find_successor_helper(tree(K, V) * t){ 16 // go left as deep as possible, return the last node 17 if (empty(t->left)){ 18 return t; 19 } else { 20 return find_successor_helper(t->left); 21 } 22 } 23 return find_successor_helper(t->right); 28 24 } 29 25 … … 31 27 forall(otype K | Comparable(K), otype V) 32 28 void deleteSingleNode(tree(K, V) * t) { 33 34 35 29 t->left = NULL; 30 t->right = NULL; 31 delete(t); 36 32 } 37 33 … … 39 35 forall(otype K | Comparable(K), otype V) 40 36 tree(K, V) * remove_node(tree(K, V) * t){ 41 42 43 44 45 46 47 48 49 37 // is the node a leaf? 38 if (empty(t->left) && empty(t->right)){ 39 // yes, just delete this node 40 delete(t); 41 return NULL; 42 } else if (empty(t->left)){ 43 // if the left is empty, there is only one child -> move right up 44 node_swap(t, t->right); 45 tree(K, V) * tmp = t->right; 50 46 51 52 53 47 // relink tree 48 t->left = tmp->left; 49 t->right = tmp->right; 54 50 55 56 57 58 59 60 61 62 51 setParent(t->left, t); 52 setParent(t->right, t); 53 deleteSingleNode(tmp); 54 return t; 55 } else if (empty(t->right)){ 56 // if the right is empty, there is only one child -> move left up 57 node_swap(t, t->left); 58 tree(K, V) * tmp = t->left; 63 59 64 65 66 60 // relink tree 61 t->left = tmp->left; 62 t->right = tmp->right; 67 63 68 69 70 71 72 73 74 75 64 setParent(t->left, t); 65 setParent(t->right, t); 66 deleteSingleNode(tmp); 67 return t; 68 } else { 69 // swap with the successor 70 tree(K, V) * s = find_successor(t); 71 tree(K, V) * parent = s->parent; 76 72 77 78 79 80 81 82 83 84 85 86 87 73 if (parent->left == s){ 74 parent->left = s->right; 75 } else { 76 assert(parent->right == s); 77 parent->right = s->right; 78 } 79 setParent(s->right, parent); 80 node_swap(t, s); 81 deleteSingleNode(s); 82 return t; 83 } 88 84 } 89 85 … … 91 87 forall(otype K | Comparable(K), otype V) 92 88 tree(K, V) * remove_helper(tree(K, V) * t, K key, int * worked){ 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 89 if (empty(t)){ 90 // did not work because key was not found 91 // set the status variable and return 92 *worked = 1; 93 } else if (t->key == key) { 94 t = remove_node(t); 95 } else if (t->key < key){ 96 t->right = remove_helper(t->right, key, worked); 97 } else { 98 // t->key > key 99 t->left = remove_helper(t->left, key, worked); 100 } 101 // try to fix after deleting 102 if (! empty(t)) { 103 t = tryFix(t); 104 } 105 return t; 110 106 } 111 107 112 108 forall(otype K | Comparable(K), otype V) 113 109 int remove(tree(K, V) ** t, K key){ 114 115 116 117 110 int worked = 0; 111 tree(K, V) * newTree = remove_helper(*t, key, &worked); 112 *t = newTree; 113 return worked; 118 114 } 115 116 // Local Variables: // 117 // tab-width: 4 // 118 // End: // -
src/tests/swap.c
rd3e4d6c rcb811ac 7 7 // swap.c -- 8 8 // 9 // Author : Richard C. Bilson9 // Author : Peter A. Buhr 10 10 // Created On : Wed May 27 17:56:53 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Thu Apr 21 08:10:41 201613 // Update Count : 6912 // Last Modified On : Wed Aug 23 20:34:45 2017 13 // Update Count : 70 14 14 // 15 15 … … 20 20 char c1 = 'a', c2 = 'b'; 21 21 sout | "char\t\t\t" | c1 | ' ' | c2 | "\t\t\tswap "; 22 swap( &c1, &c2 );22 swap( c1, c2 ); 23 23 sout | '\t' | c1 | ' ' | c2 | endl; 24 24 25 25 signed int i1 = -1, i2 = -2; 26 26 sout | "signed int\t\t" | i1 | i2 | "\t\t\tswap "; 27 swap( &i1, &i2 );27 swap( i1, i2 ); 28 28 sout | '\t' | i1 | i2 | endl; 29 29 30 30 unsigned int ui1 = 1, ui2 = 2; 31 31 sout | "unsigned int\t\t" | ui1 | ui2 | "\t\t\tswap "; 32 swap( &ui1, &ui2 );32 swap( ui1, ui2 ); 33 33 sout | '\t' | ui1 | ui2 | endl; 34 34 35 35 signed long int li1 = -1, li2 = -2; 36 36 sout | "signed long int\t\t" | li1 | li2 | "\t\t\tswap "; 37 swap( &li1, &li2 );37 swap( li1, li2 ); 38 38 sout | '\t' | li1 | li2 | endl; 39 39 40 40 unsigned long int uli1 = 1, uli2 = 2; 41 41 sout | "unsigned long int\t" | uli1 | uli2 | "\t\t\tswap "; 42 swap( &uli1, &uli2 );42 swap( uli1, uli2 ); 43 43 sout | '\t' | uli1 | uli2 | endl; 44 44 45 45 signed long long int lli1 = -1, lli2 = -2; 46 46 sout | "signed long long int\t" | lli1 | lli2 | "\t\t\tswap "; 47 swap( &lli1, &lli2 );47 swap( lli1, lli2 ); 48 48 sout | '\t' | lli1 | lli2 | endl; 49 49 50 50 unsigned long long int ulli1 = 1, ulli2 = 2; 51 51 sout | "unsigned long long int\t" | ulli1 | ulli2 | "\t\t\tswap "; 52 swap( &ulli1, &ulli2 );52 swap( ulli1, ulli2 ); 53 53 sout | '\t' | ulli1 | ulli2 | endl; 54 54 55 55 float f1 = 1.5, f2 = 2.5; 56 56 sout | "float\t\t\t" | f1 | f2 | "\t\t\tswap "; 57 swap( &f1, &f2 );57 swap( f1, f2 ); 58 58 sout | '\t' | f1 | f2 | endl; 59 59 60 60 double d1 = 1.5, d2 = 2.5; 61 61 sout | "double\t\t\t" | d1 | d2 | "\t\t\tswap "; 62 swap( &d1, &d2 );62 swap( d1, d2 ); 63 63 sout | '\t' | d1 | d2 | endl; 64 64 65 65 long double ld1 = 1.5, ld2 = 2.5; 66 66 sout | "long double\t\t" | ld1 | ld2 | "\t\t\tswap "; 67 swap( &ld1, &ld2 );67 swap( ld1, ld2 ); 68 68 sout | '\t' | ld1 | ld2 | endl; 69 69 70 70 float _Complex fc1 = 1.5f+1.5if, fc2 = 2.5f+2.5if; 71 71 sout | "float _Complex\t\t" | fc1 | fc2 | "\tswap "; 72 swap( &fc1, &fc2 );72 swap( fc1, fc2 ); 73 73 sout | '\t' | fc1 | fc2 | endl; 74 74 75 75 double _Complex dc1 = 1.5d+1.5id, dc2 = 2.5d+2.5id; 76 76 sout | "double _Complex\t\t" | dc1 | dc2 | "\tswap "; 77 swap( &dc1, &dc2 );77 swap( dc1, dc2 ); 78 78 sout | '\t' | dc1 | dc2 | endl; 79 79 80 80 long double _Complex ldc1 = 1.5d+1.5il, ldc2 = 2.5d+2.5il; 81 81 sout | "long double _Complex\t" | ldc1 | ldc2 | "\tswap "; 82 swap( &ldc1, &ldc2 );82 swap( ldc1, ldc2 ); 83 83 sout | '\t' | ldc1 | ldc2 | endl; 84 84 … … 86 86 ofstream * ?|?( ofstream * os, S s ) { return os | s.i | s.j; } 87 87 sout | "struct S\t\t" | s1 | "," | s2 | "\t\tswap "; 88 swap( &s1, &s2 );88 swap( s1, s2 ); 89 89 sout | '\t' | s1 | "," | s2 | endl; 90 90 } // main
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