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Add group value iterators operator-

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This commit is contained in:
Nikita Lisitsa 2023-03-16 20:09:32 +03:00
parent ef6ef081d8
commit 0633aacc63
2 changed files with 12 additions and 2 deletions
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7
libs/group/include/psemek/group/cyclic.hpp
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@ -52,7 +52,7 @@ namespace psemek::group
struct value_iterator
{
using difference_type = int;
using difference_type = Repr;
using value_type = cyclic<N, Repr>;
using pointer = value_type *;
using reference = value_type &;
@ -75,6 +75,11 @@ namespace psemek::group
{
return it1.repr == it2.repr;
}
friend auto operator - (value_iterator const & it1, value_iterator const & it2)
{
return it2.repr - it1.repr;
}
};
static auto values()

7
libs/group/include/psemek/group/dihedral.hpp
View file

@ -84,7 +84,7 @@ namespace psemek::group
struct value_iterator
{
using difference_type = int;
using difference_type = Repr;
using value_type = dihedral<N, Repr>;
using pointer = value_type *;
using reference = value_type &;
@ -107,6 +107,11 @@ namespace psemek::group
{
return it1.repr == it2.repr;
}
friend auto operator - (value_iterator const & it1, value_iterator const & it2)
{
return it2.repr - it1.repr;
}
};
static auto values()