Shuenhoy/vtk-m
1
0
Fork 0
mirror of https://gitlab.kitware.com/vtk/vtk-m synced 2024-09-16 17:22:55 +00:00
Code Issues 2 Actions Packages Projects Releases Wiki Activity

Merge branch 'array-portal-from-wide-iterators'

Browse Source
This commit is contained in:
Kenneth Moreland 2014-09-12 09:55:16 -06:00
commit 35a757d9fe
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
vtkm/cont/internal/ArrayPortalFromIterators.h
View File

@ -24,8 +24,10 @@
#include <vtkm/cont/ArrayPortal.h>
#include <vtkm/cont/ArrayPortalToIterators.h>
#include <vtkm/cont/Assert.h>
#include <vtkm/cont/ErrorControlOutOfMemory.h>
#include <iterator>
#include <limits>
namespace vtkm {
namespace cont {
@ -44,9 +46,20 @@ public:
VTKM_CONT_EXPORT
ArrayPortalFromIterators(IteratorT begin, IteratorT end)
: BeginIterator(begin), NumberOfValues(std::distance(begin, end))
: BeginIterator(begin)
{
VTKM_ASSERT_CONT(this->GetNumberOfValues() >= 0);
typename std::iterator_traits<IteratorT>::difference_type numberOfValues =
std::distance(begin, end);
VTKM_ASSERT_CONT(numberOfValues >= 0);
#ifndef VTKM_USE_64BIT_IDS
if (numberOfValues > std::numeric_limits<vtkm::Id>::max())
{
throw vtkm::cont::ErrorControlOutOfMemory(
"Distance of iterators larger than maximum array size."
"To support larger arrays, try 64 bit arrays.");
}
#endif // !VTKM_USE_64BIT_IDS
this->NumberOfValues = static_cast<vtkm::Id>(numberOfValues);
}
/// Copy constructor for any other ArrayPortalFromIterators with an iterator