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range base: add savesub function

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This commit is contained in:
Christian Zimmermann 2024-06-11 13:50:14 +02:00
parent 41e206f5aa
commit 215c2c4f55
2 changed files with 15 additions and 0 deletions
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6
src/include/ranges/range_base.h
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@ -106,6 +106,12 @@ namespace CNORXZ
*/ */
virtual RangePtr sub(SizeT num) const; virtual RangePtr sub(SizeT num) const;
/** Access sub-ranges.
Same as sub(), but performs domain and memory safety checks.
@param num size type argument
*/
virtual RangePtr savesub(SizeT num) const;
/** Access sub-ranges. /** Access sub-ranges.
In the case the range is multi-dimensional this function returns an In the case the range is multi-dimensional this function returns an
array of all sub-ranges (empty is one-dimensional) array of all sub-ranges (empty is one-dimensional)

9
src/lib/ranges/range_base.cc
View file

@ -70,6 +70,15 @@ namespace CNORXZ
return nullptr; return nullptr;
} }
RangePtr RangeBase::savesub(SizeT num) const
{
CXZ_ASSERT(num < dim(), "sub-range position = " << num
<< " exceeds range dimension = " << dim());
RangePtr o = sub(num);
CXZ_ASSERT(o != nullptr, "no sub-range at position = " << num);
return o;
}
MArray<RangePtr> RangeBase::sub() const MArray<RangePtr> RangeBase::sub() const
{ {
return MArray<RangePtr>(); return MArray<RangePtr>();