int main()
{
Sum A(5);
Sum B(3);
Sum D(1);
Sum c;
c = A + B + D;
c.out();
return 0;
}
int main() {
IOperation * firstArgument = new Numbers(7),
* secondArgument = new Numbers(3);
Sum * sum = new Sum(firstArgument, secondArgument);
sum->toString();
std::cout << sum->firstArgument() << "\n";
return 0;
}
void TestVolumeStoreImpl::testAccept()
{
Volume::Handle v = VolumeUS::load("structural");
Volume::Handle c = v;
Sum sum;
v->accept(sum);
float total = sum.total();
int count = sum.count();
assert(count == v->inqX() * v->inqY() * v->inqZ());
Volume::Handle d = c;
}
int main(int argc, char* argv[])
{
vector<int> v(10,5); // 10 copies of 5
// sum of all elements of v
Sum<int> s;
s = for_each(v.begin(), v.end(), s);
cout << "the sum is " << s.result() << '\n';
return 0;
}
void f(list<double>& ls)
{
Sum<double> sum;
sum = for_each(ls.begin((), ls.end(), sum); // 对表中每一个元素调用sum()函数对象
cout << "the sum is " << sum.result() << endl;
}
std::string
show(const Sum<T> &t) override
{
return type_name<Sum<T>>() + ' ' + show(t.value());
}
static bool testZeroApply (Field1 &F1, Field2 &F2, VectorStream<Vector> &stream1, VectorStream<Vector> &stream2)
{
commentator().start ("Testing zero apply", "testZeroApply", stream1.m ());
bool ret = true;
bool iter_passed = true;
Vector d1, d2, v, w, zero;
VectorDomain<Field1> VD (F1);
typename Field1::Element neg_one;
VectorWrapper::ensureDim (zero, stream1.dim ());
VectorWrapper::ensureDim (d1, stream1.dim ());
VectorWrapper::ensureDim (d2, stream1.dim ());
VectorWrapper::ensureDim (v, stream1.dim ());
VectorWrapper::ensureDim (w, stream2.dim ());
// F.init (neg_one, 1);
// F.negin (neg_one);
F1.init (neg_one, -1);
while (stream1) {
commentator().startIteration ((unsigned)stream1.j ());
iter_passed = true;
stream1.next (d1);
VD.mul (d2, d1, neg_one);
Diagonal <Field1> D1 (F1, d1), D2 (F1, d2);
Sum <Diagonal<Field1>,Diagonal <Field1> > A (&D1, &D2);
ostream &report = commentator().report (Commentator::LEVEL_IMPORTANT, INTERNAL_DESCRIPTION);
report << "Diagonal matrix: ";
VD.write (report, d1);
report << endl;
report << "Negative diagonal matrix: ";
VD.write (report, d2);
report << endl;
stream2.reset ();
while (stream2) {
stream2.next (w);
report << "Input vector: ";
VD.write (report, w);
report << endl;
A.apply (v, w);
report << "Output vector: ";
VD.write (report, v);
report << endl;
if (!VD.isZero (v))
ret = iter_passed = false;
}
if (!iter_passed)
commentator().report (Commentator::LEVEL_IMPORTANT, INTERNAL_ERROR)
<< "ERROR: Vector is not zero" << endl;
commentator().stop ("done");
commentator().progress ();
ret = ret && testBBrebind(F2, A);
}
commentator().stop (MSG_STATUS (ret), (const char *) 0, "testZeroApply");
return ret;
}
int exampleSum(int sum1, int sum2){
Sum sum;
return sum.testsum(sum1, sum2);
}