1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
//############################################################################
// Bitsets
//############################################################################
//############################################################################
import scala.language.postfixOps
object TestMutable {
import scala.collection.mutable.BitSet
val ms0 = new BitSet
val ms1 = new BitSet(8)
val ms2 = new BitSet(0)
ms0 += 2
ms1 ++= List(1, 2)
ms1 -= 1
ms1 --= List(1)
ms2(2) = true
ms2(3) = false
Console.println("ms0 = " + ms0)
Console.println("ms1 = " + ms1)
Console.println("ms2 = " + ms2)
Console.println("mb0 = " + ms0.contains(-1))
Console.println("mb1 = " + ms1.contains(2))
Console.println("mb2 = " + ms2.contains(3))
Console.println("xs0 = " + ms0.iterator.toList)
Console.println("xs1 = " + ms1.iterator.toList)
Console.println("xs2 = " + ms2.iterator.toList)
Console.println("ma0 = " + ms0.toList)
Console.println("ma1 = " + ms1.toList)
Console.println("ma2 = " + ms2.toList)
Console.println("mi0 = " + ms0.toImmutable)
Console.println("mi1 = " + ms1.toImmutable)
Console.println("mi2 = " + ms2.toImmutable)
Console.println
val N = 257
val gen = 3
val bs = BitSet((1 until N): _*)
(1 until N).foldLeft(gen) {
case (acc, i) =>
assert(bs.size == N-i, s"Bad size for $bs, expected ${N-i} actual ${bs.size}")
assert(!bs.isEmpty, s"Unexpected isEmpty for $bs")
bs -= acc
acc*gen % N
}
assert(bs.size == 0, s"Expected size == 0 for $bs")
assert(bs.isEmpty, s"Expected isEmpty for $bs")
}
object TestMutable2 {
import scala.collection.mutable.BitSet
import scala.collection.immutable.TreeSet
val l0 = 0 to 24 by 2 toList
val l1 = (190 to 255 toList) reverse
val l2 = (0 to 256 toList)
val l3 = (1 to 200 by 2 toList) reverse
val t0 = TreeSet(l0: _*)
val t1 = TreeSet(l1: _*)
val t2 = TreeSet(l2: _*)
val t3 = TreeSet(l3: _*)
val b0 = BitSet(l0: _*)
val b1 = BitSet(l1: _*)
val b2 = BitSet(l2: _*)
val b3 = BitSet(l3: _*)
println("m2_m0 = " + b0.toBitMask.toList.map(_.toBinaryString))
println("m2_m2 = " + b2.toBitMask.toList.map(_.toHexString))
println("m2_m0c = " + (BitSet.fromBitMask(b0.toBitMask) == b0))
println("m2_m1c = " + (BitSet.fromBitMask(b1.toBitMask) == b1))
println("m2_m2c = " + (BitSet.fromBitMask(b2.toBitMask) == b2))
println("m2_m3c = " + (BitSet.fromBitMask(b3.toBitMask) == b3))
println("m2_i0 = " + (t0 == b0))
println("m2_i1 = " + (t1 == b1))
println("m2_i2 = " + (t2 == b2))
println("m2_i3 = " + (t3 == b3))
println("m2_f0 = " + (t0.from(42) == b0.from(42)))
println("m2_f1 = " + (t1.from(42) == b1.from(42)))
println("m2_f2 = " + (t2.from(42) == b2.from(42)))
println("m2_f3 = " + (t3.from(42) == b3.from(42)))
println("m2_t0 = " + (t0.to(195) == b0.to(195)))
println("m2_t1 = " + (t1.to(195) == b1.to(195)))
println("m2_t2 = " + (t2.to(195) == b2.to(195)))
println("m2_t3 = " + (t3.to(195) == b3.to(195)))
println("m2_r0 = " + (t0.range(43,194) == b0.range(43,194)))
println("m2_r1 = " + (t1.range(43,194) == b1.range(43,194)))
println("m2_r2 = " + (t2.range(43,194) == b2.range(43,194)))
println("m2_r3 = " + (t3.range(43,194) == b3.range(43,194)))
println
}
object TestMutable3 {
import scala.collection.mutable.BitSet
val b0 = BitSet(5, 6)
val b1 = BitSet(7)
val b2 = BitSet(1, 5)
val b3 = BitSet(6, 7)
val b4 = BitSet(6, 7)
b1 |= b0
println(s"b1:$b1")
b2 &= b0
println(s"b2:$b2")
b3 ^= b0
println(s"b3:$b3")
b4 &~= b0
println(s"b4:$b4")
b0 ^= b0 |= b1
println(s"b0:$b0")
}
/***
The memory requirements here are way beyond
what a test should exercise.
object TestMutable4 {
import scala.collection.mutable.BitSet
val bMax = BitSet(Int.MaxValue)
println(s"bMax:$bMax")
bMax.foreach(println)
val bLarge = BitSet(2000000001)
println(s"bLarge:$bLarge")
println(bMax == bLarge)
}
***/
object TestImmutable {
import scala.collection.immutable.BitSet
val is0 = BitSet()
val is1 = BitSet.fromBitMask(Array())
val is2 = BitSet.fromBitMask(Array(4))
val is3 = BitSet.empty
Console.println("is0 = " + is0)
Console.println("is1 = " + is1)
Console.println("is2 = " + is2)
Console.println("is3 = " + is3)
Console.println("ib0 = " + is0.contains(-1))
Console.println("ib1 = " + is1.contains(0))
Console.println("ib2 = " + is2.contains(2))
Console.println("ib3 = " + is3.contains(2))
Console.println("ys0 = " + is0.iterator.toList)
Console.println("ys1 = " + is1.iterator.toList)
Console.println("ys2 = " + is2.iterator.toList)
Console.println("ys3 = " + is3.iterator.toList)
Console.println("ia0 = " + is0.toList)
Console.println("ia1 = " + is1.toList)
Console.println("ia2 = " + is2.toList)
Console.println("ia3 = " + is3.toList)
Console.println
}
object TestImmutable2 {
import scala.collection.immutable.{BitSet, TreeSet}
val l0 = 0 to 24 by 2 toList
val l1 = (190 to 255 toList) reverse
val l2 = (0 to 256 toList)
val l3 = (1 to 200 by 2 toList) reverse
val t0 = TreeSet(l0: _*)
val t1 = TreeSet(l1: _*)
val t2 = TreeSet(l2: _*)
val t3 = TreeSet(l3: _*)
val b0 = BitSet(l0: _*)
val b1 = BitSet(l1: _*)
val b2 = BitSet(l2: _*)
val b3 = BitSet(l3: _*)
println("i2_m0 = " + b0.toBitMask.toList.map(_.toBinaryString))
println("i2_m2 = " + b2.toBitMask.toList.map(_.toHexString))
println("i2_m0c = " + (BitSet.fromBitMask(b0.toBitMask) == b0))
println("i2_m1c = " + (BitSet.fromBitMask(b1.toBitMask) == b1))
println("i2_m2c = " + (BitSet.fromBitMask(b2.toBitMask) == b2))
println("i2_m3c = " + (BitSet.fromBitMask(b3.toBitMask) == b3))
println("i2_i0 = " + (t0 == b0))
println("i2_i1 = " + (t1 == b1))
println("i2_i2 = " + (t2 == b2))
println("i2_i3 = " + (t3 == b3))
println("i2_f0 = " + (t0.from(42) == b0.from(42)))
println("i2_f1 = " + (t1.from(42) == b1.from(42)))
println("i2_f2 = " + (t2.from(42) == b2.from(42)))
println("i2_f3 = " + (t3.from(42) == b3.from(42)))
println("i2_t0 = " + (t0.to(195) == b0.to(195)))
println("i2_t1 = " + (t1.to(195) == b1.to(195)))
println("i2_t2 = " + (t2.to(195) == b2.to(195)))
println("i2_t3 = " + (t3.to(195) == b3.to(195)))
println("i2_r0 = " + (t0.range(77,194) == b0.range(77,194)))
println("i2_r1 = " + (t1.range(77,194) == b1.range(77,194)))
println("i2_r2 = " + (t2.range(77,194) == b2.range(77,194)))
println("i2_r3 = " + (t3.range(77,194) == b3.range(77,194)))
println
}
object Test extends dotty.runtime.LegacyApp {
TestMutable
TestMutable2
TestMutable3
// TestMutable4
TestImmutable
TestImmutable2
}
//############################################################################
|
