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
|
restricted int undefined=(intMax % 2 == 1) ? intMax : intMax-1;
restricted real inches=72;
restricted real inch=inches;
restricted real cm=inches/2.54;
restricted real mm=0.1cm;
restricted real bp=1; // A PostScript point.
restricted real pt=72.0/72.27; // A TeX pt; smaller than a PostScript bp.
restricted pair I=(0,1);
restricted pair right=(1,0);
restricted pair left=(-1,0);
restricted pair up=(0,1);
restricted pair down=(0,-1);
restricted pair E=(1,0);
restricted pair N=(0,1);
restricted pair W=(-1,0);
restricted pair S=(0,-1);
restricted pair NE=unit(N+E);
restricted pair NW=unit(N+W);
restricted pair SW=unit(S+W);
restricted pair SE=unit(S+E);
restricted pair ENE=unit(E+NE);
restricted pair NNE=unit(N+NE);
restricted pair NNW=unit(N+NW);
restricted pair WNW=unit(W+NW);
restricted pair WSW=unit(W+SW);
restricted pair SSW=unit(S+SW);
restricted pair SSE=unit(S+SE);
restricted pair ESE=unit(E+SE);
restricted real sqrtEpsilon=sqrt(realEpsilon);
restricted pair Align=sqrtEpsilon*NE;
restricted int mantissaBits=ceil(-log(realEpsilon)/log(2))+1;
restricted transform identity;
restricted transform zeroTransform=(0,0,0,0,0,0);
int min(... int[] a) {return min(a);}
int max(... int[] a) {return max(a);}
real min(... real[] a) {return min(a);}
real max(... real[] a) {return max(a);}
bool finite(real x)
{
return abs(x) < infinity;
}
bool finite(pair z)
{
return abs(z.x) < infinity && abs(z.y) < infinity;
}
bool finite(triple v)
{
return abs(v.x) < infinity && abs(v.y) < infinity && abs(v.z) < infinity;
}
restricted file stdin=input();
restricted file stdout=output();
void none(file file) {}
void endl(file file) {write(file,'\n',flush);}
void newl(file file) {write(file,'\n');}
void DOSendl(file file) {write(file,'\r\n',flush);}
void DOSnewl(file file) {write(file,'\r\n');}
void tab(file file) {write(file,'\t');}
void comma(file file) {write(file,',');}
typedef void suffix(file);
// Used by interactive write to warn that the outputted type is the resolution
// of an overloaded name.
void overloadedMessage(file file) {
write(file,' <overloaded>');
endl(file);
}
void write(suffix suffix=endl) {suffix(stdout);}
void write(file file, suffix suffix=none) {suffix(file);}
path box(pair a, pair b)
{
return a--(b.x,a.y)--b--(a.x,b.y)--cycle;
}
restricted path unitsquare=box((0,0),(1,1));
restricted path unitcircle=E..N..W..S..cycle;
restricted real circleprecision=0.0006;
restricted transform invert=reflect((0,0),(1,0));
restricted pen defaultpen;
// A type that takes on one of the values true, false, or default.
struct bool3 {
bool value;
bool set;
}
void write(file file, string s="", bool3 b, suffix suffix=none)
{
if(b.set) write(b.value,suffix);
else write("default",suffix);
}
void write(string s="", bool3 b, suffix suffix=endl)
{
write(stdout,s,b,suffix);
}
restricted bool3 default;
bool operator cast(bool3 b)
{
return b.set && b.value;
}
bool3 operator cast(bool b)
{
bool3 B;
B.value=b;
B.set=true;
return B;
}
bool operator == (bool3 a, bool3 b)
{
return a.set == b.set && (!a.set || (a.value == b.value));
}
bool operator != (bool3 a, bool3 b)
{
return a.set != b.set || (a.set && (a.value != b.value));
}
bool operator == (bool3 a, bool b)
{
return a.set && a.value == b;
}
bool operator != (bool3 a, bool b)
{
return !a.set || a.value != b;
}
bool operator == (bool a, bool3 b)
{
return b.set && b.value == a;
}
bool operator != (bool a, bool3 b)
{
return !b.set || b.value != a;
}
bool[] operator cast(bool3[] b)
{
return sequence(new bool(int i) {return b[i];},b.length);
}
bool3[] operator cast(bool[] b)
{
return sequence(new bool3(int i) {return b[i];},b.length);
}
|
