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interval: add += and -= operators

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2024-01-24 12:25:47 +01:00
parent cf73f8a48d
commit 18c41ebfdf
1 changed files with 45 additions and 17 deletions
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62
include/stdex/interval.hpp
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@ -85,9 +85,9 @@ namespace stdex
/// ///
/// \returns Resulting interval /// \returns Resulting interval
/// ///
interval<T> operator+(_In_ const interval<T>& other) const interval operator+(_In_ const interval& other) const
{ {
return interval<T>(start + other.start, end + other.end); return interval(start + other.start, end + other.end);
} }
/// ///
@ -97,9 +97,23 @@ namespace stdex
/// ///
/// \returns Moved interval /// \returns Moved interval
/// ///
interval<T> operator+(_In_ const T x) const interval operator+(_In_ const T x) const
{ {
return interval<T>(start + x, end + x); return interval(start + x, end + x);
}
///
/// Moves interval towards the end by a number
///
/// \param[in] x Amount to move for
///
/// \returns Resulting interval
///
interval operator+=(_In_ const T x)
{
start += x;
end += x;
return *this;
} }
/// ///
@ -107,7 +121,7 @@ namespace stdex
/// ///
/// \returns Moved interval /// \returns Moved interval
/// ///
interval<T> operator++() interval operator++()
{ {
++start; ++start;
++end; ++end;
@ -119,9 +133,9 @@ namespace stdex
/// ///
/// \returns Original interval /// \returns Original interval
/// ///
interval<T> operator++(int) // Postfix increment operator. interval operator++(int) // Postfix increment operator.
{ {
interval<T> r = *this; interval r = *this;
++start; ++start;
++end; ++end;
return r; return r;
@ -134,9 +148,9 @@ namespace stdex
/// ///
/// \returns Resulting interval /// \returns Resulting interval
/// ///
interval<T> operator-(_In_ const interval<T>& other) const interval operator-(_In_ const interval& other) const
{ {
return interval<T>(start - other.start, end - other.end); return interval(start - other.start, end - other.end);
} }
/// ///
@ -146,17 +160,31 @@ namespace stdex
/// ///
/// \returns Moved interval /// \returns Moved interval
/// ///
interval<T> operator-(_In_ const T x) const interval operator-(_In_ const T x) const
{ {
return interval<T>(start - x, end - x); return interval(start - x, end - x);
} }
/// ///
/// Moves interval towards the begginning by one /// Moves interval towards the beginning by a number
///
/// \param[in] x Amount to move for
///
/// \returns Resulting interval
///
interval operator-=(_In_ const T x)
{
start -= x;
end -= x;
return *this;
}
///
/// Moves interval towards the beginning by one
/// ///
/// \returns Moved interval /// \returns Moved interval
/// ///
interval<T> operator--() interval operator--()
{ {
--start; --start;
--end; --end;
@ -168,9 +196,9 @@ namespace stdex
/// ///
/// \returns Original interval /// \returns Original interval
/// ///
interval<T> operator--(int) // Postfix decrement operator. interval operator--(int) // Postfix decrement operator.
{ {
interval<T> r = *this; interval r = *this;
--start; --start;
--end; --end;
return r; return r;
@ -183,7 +211,7 @@ namespace stdex
/// ///
/// \returns true if intervals are identical or false otherwise /// \returns true if intervals are identical or false otherwise
/// ///
bool operator==(_In_ const interval<T>& other) const bool operator==(_In_ const interval& other) const
{ {
return start == other.start && end == other.end; return start == other.start && end == other.end;
} }
@ -195,7 +223,7 @@ namespace stdex
/// ///
/// \returns true if intervals are different or false otherwise /// \returns true if intervals are different or false otherwise
/// ///
bool operator!=(_In_ const interval<T>& other) const bool operator!=(_In_ const interval& other) const
{ {
return !operator ==(other); return !operator ==(other);
} }