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/* { dg-options "-fcilkplus" } */
/* { dg-do run { target i?86-*-* x86_64-*-* arm*-*-* } } */
/* { dg-options "-fcilkplus -lcilkrts" { target { i?86-*-* x86_64-*-* arm*-*-* } } } */
#if HAVE_IO
#include <iostream>
#endif
class Some_Struct
{
int calculated_value;
short some_unused_value;
public:
Some_Struct () {
this->calculated_value = 0;
}
Some_Struct (int value) {
this->calculated_value = value;
}
Some_Struct operator=(Some_Struct f) {
this->calculated_value = f.calculated_value;
return *this;
}
bool operator!=(Some_Struct f) {
return (this->calculated_value != f.calculated_value);
}
Some_Struct operator+(Some_Struct &f) {
Some_Struct z;
z.calculated_value = this->calculated_value + f.calculated_value;
return z;
}
Some_Struct operator-(int x) {
Some_Struct z;
z.calculated_value = this->calculated_value - x;
return z;
}
bool operator<(int x) {
return (this->calculated_value < x);
}
int get_calculated_value () {
return this->calculated_value;
}
};
template <class T>
T fibonacci_serial (T f)
{
if (f < 2)
return f;
T a = fibonacci_serial (f-1);
T b = fibonacci_serial (f-2);
return (a+b);
}
template <class T>
T fibonacci (T f)
{
if (f < 2)
return f;
T a = _Cilk_spawn fibonacci (f-1);
T b = fibonacci (f-2);
_Cilk_sync;
return (a+b);
}
int main (void)
{
Some_Struct f (40), f_serial(40);
f = fibonacci (f);
f_serial = fibonacci_serial (f_serial);
if (f != f_serial)
__builtin_abort ();
int t = 40, t_serial = 40;
t = fibonacci (t);
t_serial = fibonacci_serial (t_serial);
if (t != t_serial)
__builtin_abort ();
short s = 20, s_serial = 20;
s = fibonacci (s);
s_serial = fibonacci_serial (s_serial);
if (s != s_serial)
__builtin_abort ();
#if HAVE_IO
std::cout << "Fib_Parallel (40) = " << f.get_calculated_value() << std::endl;
std::cout << "Fib_Serial (40) = " << f_serial.get_calculated_value()
<< std::endl;
#endif
return 0;
}
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