blob: 6905054ba9442f82bb51e209a2a478b2d862377d (
plain)
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
|
// Copyright 2012, Matthias Andreas Benkard.
#include "cells.hpp"
#include <memory>
#include <iostream>
struct unit { };
using namespace cells;
using std::cout;
using std::endl;
typedef formula_cell<double> fcell;
typedef shared_ptr<fcell> sfcell;
typedef formula_cell<unit> ucell;
typedef shared_ptr<ucell> sucell;
int main(int argc, char** argv) {
sfcell x0 = fcell::make();
sfcell x1 = fcell::make();
sfcell x2 = fcell::make();
sfcell y = fcell::make();
sfcell z = fcell::make();
sucell a = ucell::make();
sucell b = ucell::make();
with_transaction([=](){
x0->reset(10);
x1->reset([=](){ return *x0 + 5; });
x2->reset([=](){ return *x0 * 2; });
y->reset([=](){ return *x1 * *x2; });
z->reset([=](){ return *x0 * *y; });
a->reset([=]() -> unit { cout << "z is now " << *z << "." << endl; return unit(); });
b->reset([=]() -> unit { cout << "x2 is now " << *x2 << "." << endl; return unit(); });
});
x0->reset(15);
x0->reset(-20);
y->reset(-3);
x1->reset([=]() { return (double)*x0; });
y->reset([=]() { return *x1 + *x2; });
}
/*
* z
* |\
* | \
* | \
* | \
* | \
* | \
* | \
* | y
* | /|
* | / |
* | / |
* | x1 x2
* | / |
* | / |
* x0------+
*/
|
