int main( int argc, char * argv[])
{
{
boost::coroutines::asymmetric_coroutine< void >::pull_type source1( boost::bind( first, _1) );
boost::coroutines::asymmetric_coroutine< void >::pull_type source2( boost::bind( second, _1) );
while ( source1 && source2) {
source1();
std::cout << " ";
source2();
std::cout << " ";
}
}
std::cout << "\nDone" << std::endl;
return EXIT_SUCCESS;
}
double QgsCoordinateTransform::scaleFactor( const QgsRectangle &ReferenceExtent ) const
{
QgsPointXY source1( ReferenceExtent.xMinimum(), ReferenceExtent.yMinimum() );
QgsPointXY source2( ReferenceExtent.xMaximum(), ReferenceExtent.yMaximum() );
double distSourceUnits = std::sqrt( source1.sqrDist( source2 ) );
QgsPointXY dest1 = transform( source1 );
QgsPointXY dest2 = transform( source2 );
double distDestUnits = std::sqrt( dest1.sqrDist( dest2 ) );
return distDestUnits / distSourceUnits;
}
int main()
{
{
typedef std::unique_ptr<A> APtr;
APtr s(new A);
A* p = s.get();
APtr s2 = std::move(s);
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 1);
}
assert(A::count == 0);
{
typedef Deleter<A> MoveDel;
typedef std::unique_ptr<A, MoveDel> APtr;
MoveDel d(5);
APtr s(new A, std::move(d));
assert(d.state() == 0);
assert(s.get_deleter().state() == 5);
A* p = s.get();
APtr s2 = std::move(s);
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 1);
assert(s2.get_deleter().state() == 5);
assert(s.get_deleter().state() == 0);
}
assert(A::count == 0);
{
typedef NCDeleter<A> NonCopyDel;
typedef std::unique_ptr<A, NonCopyDel&> APtr;
NonCopyDel d;
APtr s(new A, d);
A* p = s.get();
APtr s2 = std::move(s);
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 1);
d.set_state(6);
assert(s2.get_deleter().state() == d.state());
assert(s.get_deleter().state() == d.state());
}
assert(A::count == 0);
{
sink1(source1());
assert(A::count == 0);
sink2(source2());
assert(A::count == 0);
sink3(source3());
assert(A::count == 0);
}
assert(A::count == 0);
}
void exercise_constructor(unsigned int dim){
std::cout << "Dimension " << dim << '\n';
const size_t size=dim*dim;
const double initVal=3.14;
SU_vector source1(dim);
source1.SetAllComponents(initVal);
std::unique_ptr<double[]> buffer(new double[size]);
for(unsigned int i=0; i<size; i++)
buffer[i]=initVal;
SU_vector source2(dim,buffer.get());
std::cout << "Internal storage\n";
alloc_counting::reset_allocation_counters();
SU_vector dest1(source1);
auto allocated=alloc_counting::mem_allocated;
std::cout << allocated/sizeof(double) << " entries allocated" << '\n';
//check the number of components
auto components=dest1.GetComponents();
std::cout << components.size() << " components stored" << '\n';
//check that all components are initialized to the correct value
std::cout << "components " <<
(std::all_of(components.begin(),components.end(),[=](double c){ return(c==initVal); })?
"are":"are not") << " correctly set\n";
//check that memory is not aliased
source1[0]=0;
std::cout << "Memory aliasing: " << (dest1[0]==source1[0]) << '\n';
std::cout << "External storage\n";
alloc_counting::reset_allocation_counters();
SU_vector dest2(source2);
allocated=alloc_counting::mem_allocated;
std::cout << allocated/sizeof(double) << " entries allocated" << '\n';
//check the number of components
components=dest2.GetComponents();
std::cout << components.size() << " components stored" << '\n';
//check that all components are initialized to the correct value
std::cout << "components " <<
(std::all_of(components.begin(),components.end(),[=](double c){ return(c==initVal); })?
"are":"are not") << " correctly set\n";
//check that memory is not aliased
source2[0]=0;
std::cout << "Memory aliasing: " << (dest2[0]==source2[0]) << '\n';
std::cout << '\n';
}
void test()
{
//Single unique_ptr
reset_counters();
sink1(source1());
sink2(source2());
sink3(source3());
BOOST_TEST(A::count == 0);
//Unbounded array unique_ptr
reset_counters();
sink1_unbounded_array(source1_unbounded_array());
sink2_unbounded_array(source2_unbounded_array());
sink3_unbounded_array(source3_unbounded_array());
BOOST_TEST(A::count == 0);
//Bbounded array unique_ptr
reset_counters();
sink1_bounded_array(source1_bounded_array());
sink2_bounded_array(source2_bounded_array());
sink3_bounded_array(source3_bounded_array());
BOOST_TEST(A::count == 0);
}