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add further sreplace function to anonymous range

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This commit is contained in:
Christian Zimmermann 2019-03-19 10:33:07 +01:00
parent b2290e14e5
commit 8ed5d01c46
2 changed files with 22 additions and 0 deletions
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2
src/include/ranges/anonymous_range.h
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@ -97,6 +97,8 @@ namespace MultiArrayTools
std::shared_ptr<AnonymousRange> sreplace(const std::shared_ptr<RangeBase> in, size_t num) const;
std::shared_ptr<AnonymousRange> sreplace(const vector<std::shared_ptr<RangeBase>>& in, size_t num) const;
std::shared_ptr<AnonymousRange> sreplace(const std::shared_ptr<RangeBase>& in,
const vector<size_t>& num) const;
bool isEmpty() const;

20
src/lib/ranges/anonymous_range.cc
View file

@ -210,6 +210,26 @@ namespace MultiArrayTools
return std::dynamic_pointer_cast<AnonymousRange>(arf.create());
}
std::shared_ptr<AnonymousRange> AnonymousRange::sreplace(const std::shared_ptr<RangeBase>& in,
const vector<size_t>& num) const
{
size_t cnt = num[0];
size_t rep_size = 1;
// assert continuous ordering or replaced ranges:
for(auto& x: num){
assert(cnt++ == x);
rep_size *= mOrig[x]->size();
}
assert(rep_size == in->size());
vector<std::shared_ptr<RangeBase>> norig;
norig.reserve(mOrig.size()-num.size()+1);
norig.insert(norig.end(),mOrig.begin(),mOrig.begin()+num[0]);
norig.push_back(in);
norig.insert(norig.end(),mOrig.begin()+num.back()+1,mOrig.end());
AnonymousRangeFactory arf(norig);
return std::dynamic_pointer_cast<AnonymousRange>(arf.create());
}
const vector<std::shared_ptr<RangeBase> >& AnonymousRange::orig() const
{
return mOrig;