Retro68/gcc/libvtv/testsuite/libvtv.cc/template-list-iostream.cc
2014-09-21 19:33:12 +02:00

121 lines
2.4 KiB
C++

// { dg-do run }
#include <assert.h>
#include <iostream>
#include <fstream>
using std::ofstream;
using std::ifstream;
using std::ios;
extern "C" int printf(const char *, ...);
class Subscriptor
{
public:
Subscriptor() : counter(1) {}
virtual ~Subscriptor()
{
counter--;
assert(counter == 0);
}
private:
mutable int counter;
};
template <int dim> struct Function
{
Function(int i): value(dim + i) {}
int value;
};
template <int dim> struct Triangulation
{
};
template <int dim> struct Exercise_2_3
{
enum { DIM = dim };
};
template <int dim>
struct SetUpBase : public Subscriptor
{
virtual
const Function<dim> get_boundary_values () const = 0;
virtual
const Function<dim> get_right_hand_side () const = 0;
// virtual
// void create_coarse_grid (Triangulation<dim> &coarse_grid) const = 0;
};
template <class Traits, int dim>
struct SetUp : public SetUpBase<dim>
{
SetUp () {};
virtual
const Function<dim> get_boundary_values () const
{ return Function<dim>(Traits::DIM); }
virtual
const Function<dim> get_right_hand_side () const
{ return Function<dim>(Traits::DIM); }
// virtual
// void create_coarse_grid (Triangulation<dim> &coarse_grid) const;
// static const typename Traits::BoundaryValues boundary_values;
// static const typename Traits::RightHandSide right_hand_side;
};
void myread(std::istream * in)
{
char input_str[50] = "\0";
if (in->good())
(*in) >> input_str;
std::cout << input_str << std::endl;
delete in;
}
int main()
{
/*
SetUp<Exercise_2_3<1000>, 2> s1a;
SetUp<Exercise_2_3<2000>, 1> s2;
SetUp<Exercise_2_3<2000>, 2> s2a;
return s1->get_boundary_values().value + s1a.get_boundary_values().value +
s2.get_boundary_values().value + s2a.get_boundary_values().value +
s1->get_right_hand_side().value + s1a.get_right_hand_side().value +
s2.get_right_hand_side().value + s2a.get_right_hand_side().value;
*/
SetUp<Exercise_2_3<1000>, 1> * s1 = new SetUp<Exercise_2_3<1000>, 1>();
printf("%d\n", s1->get_boundary_values().value);
ifstream * infile = new ifstream("./template-list-iostream.cc");
myread(infile);
ofstream * outfile = new ofstream("/tmp/xxx.txt");
if (outfile->good())
(*outfile) << "hello there" << std::endl;
std::cerr << "Reached End" << std::endl;
delete outfile;
return 0;
}