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
|
// Copyright David Abrahams 2002.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/python/operators.hpp>
#include <boost/python/class.hpp>
#include <boost/python/module.hpp>
#include <boost/python/def.hpp>
#include "test_class.hpp"
#include <boost/python/module.hpp>
#include <boost/python/class.hpp>
#include <boost/python/operators.hpp>
#include <boost/operators.hpp>
//#include <boost/python/str.hpp>
// Just use math.h here; trying to use std::pow() causes too much
// trouble for non-conforming compilers and libraries.
#include <math.h>
#if __GNUC__ != 2
# include <ostream>
#else
# include <ostream.h>
#endif
using namespace boost::python;
using namespace boost::python;
struct X : test_class<>
{
typedef test_class<> base_t;
X(int x) : base_t(x) {}
X const operator+(X const& r) const { return X(value() + r.value()); }
// typedef int (X::*safe_bool)() const;
// operator safe_bool() const { return value() != 0 ? &X::value : 0; }
};
X operator-(X const& l, X const& r) { return X(l.value() - r.value()); }
X operator-(int l, X const& r) { return X(l - r.value()); }
X operator-(X const& l, int r) { return X(l.value() - r); }
X operator-(X const& x) { return X(-x.value()); }
X& operator-=(X& l, X const& r) { l.set(l.value() - r.value()); return l; }
bool operator<(X const& x, X const& y) { return x.value() < y.value(); }
bool operator<(X const& x, int y) { return x.value() < y; }
bool operator<(int x, X const& y) { return x < y.value(); }
X abs(X x) { return X(x.value() < 0 ? -x.value() : x.value()); }
X pow(X x, int y)
{
return X(int(pow(double(x.value()), double(y))));
}
X pow(X x, X y)
{
return X(int(pow(double(x.value()), double(y.value()))));
}
int pow(int x, X y)
{
return int(pow(double(x), double(y.value())));
}
std::ostream& operator<<(std::ostream& s, X const& x)
{
return s << x.value();
}
struct number
: boost::integer_arithmetic<number>
{
explicit number(long x_) : x(x_) {}
operator long() const { return x; }
template <class T>
number& operator+=(T const& rhs)
{ x += rhs; return *this; }
template <class T>
number& operator-=(T const& rhs)
{ x -= rhs; return *this; }
template <class T>
number& operator*=(T const& rhs)
{ x *= rhs; return *this; }
template <class T>
number& operator/=(T const& rhs)
{ x /= rhs; return *this; }
template <class T>
number& operator%=(T const& rhs)
{ x %= rhs; return *this; }
long x;
};
BOOST_PYTHON_MODULE(operators_ext)
{
class_<X>("X", init<int>())
.def("value", &X::value)
.def(self + self)
.def(self - self)
.def(self - int())
.def(other<int>() - self)
.def(-self)
.def(self < other<int>())
.def(self < self)
.def(1 < self)
.def(self -= self)
.def(abs(self))
.def(str(self))
.def(pow(self,self))
.def(pow(self,int()))
.def(pow(int(),self))
.def(
!self
// "not self" is legal here but causes friction on a few
// nonconforming compilers; it's cute because it looks
// like python, but doing it here doesn't prove much and
// just causes tests to fail or complicated workarounds to
// be enacted.
)
;
class_<number>("number", init<long>())
// interoperate with self
.def(self += self)
.def(self + self)
.def(self -= self)
.def(self - self)
.def(self *= self)
.def(self * self)
.def(self /= self)
.def(self / self)
.def(self %= self)
.def(self % self)
// Convert to Python int
.def(int_(self))
// interoperate with long
.def(self += long())
.def(self + long())
.def(long() + self)
.def(self -= long())
.def(self - long())
.def(long() - self)
.def(self *= long())
.def(self * long())
.def(long() * self)
.def(self /= long())
.def(self / long())
.def(long() / self)
.def(self %= long())
.def(self % long())
.def(long() % self)
;
class_<test_class<1> >("Z", init<int>())
.def(int_(self))
.def(float_(self))
.def(complex_(self))
;
}
#include "module_tail.cpp"
|
