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fix null range instace issue

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This commit is contained in:
Christian Zimmermann 2018-07-29 14:35:53 +02:00
parent 1523fa024e
commit 15f4f38e48
1 changed files with 9 additions and 5 deletions
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14
src/lib/ranges/range_types/null_range.cc
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@ -13,27 +13,31 @@ namespace MultiArrayTools
* SingleRange *
********************/
std::shared_ptr<SingleRange<size_t,SpaceType::NUL>>
SingleRangeFactory<size_t,SpaceType::NUL>::mRInstance = nullptr;
std::shared_ptr<NullRange> nullr()
{
return SingleRangeFactory<size_t,SpaceType::NUL>::mRInstance;
static NullRF nrf; // just that mRInstance is initialized
static auto nr = std::dynamic_pointer_cast<NullRange>( nrf.create() );
VCHECK(NullRF::mRInstance);
return NullRF::mRInstance;
}
std::shared_ptr<NullIndex> nulli()
{
return std::make_shared<NullIndex>(nullr());
}
std::shared_ptr<SingleRange<size_t,SpaceType::NUL>>
SingleRangeFactory<size_t,SpaceType::NUL>::mRInstance = nullptr;
SingleRangeFactory<size_t,SpaceType::NUL>::SingleRangeFactory()
{
// Singleton
if( not mRInstance){
if(not mRInstance){
if(not mProd){
mProd = std::shared_ptr<oType>( new SingleRange<size_t,SpaceType::NUL>() );
setSelf();
}
mRInstance = std::dynamic_pointer_cast<NullRange>( mProd );
} else {
mProd = mRInstance;
}