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Add constexpr to array comparison operators (#1303)

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* Remove AppVeyor build status badge

Removed AppVeyor build status badge from README.

* Update README.md

* Update CONTRIBUTING.md

Updated the instructions for contributing.

* Fix for issue 1276 "Data corruption in the etl::bip_buffer_spsc_atomic" (#1277)

* Reproduce data corruption bug in the `etl::bip_buffer_spsc_atomic`.

* Fix data corruption bug in the `etl::bip_buffer_spsc_atomic`.

* Add constexpr to array comparison operators

---------

Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>
Co-authored-by: Sergei <sergej.shirokov@gmail.com>
This commit is contained in:
Roland Reichwein 2026-02-19 14:18:12 +01:00 committed by GitHub
parent 226117b972
commit 992348b4bb
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2 changed files with 22 additions and 2 deletions
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4
include/etl/array.h
View File

@ -1136,7 +1136,7 @@ namespace etl
///\return <b>true</b> if the arrays are equal, otherwise <b>false</b>
//*************************************************************************
template <typename T, size_t SIZE>
bool operator ==(const etl::array<T, SIZE>& lhs, const etl::array<T, SIZE>& rhs)
ETL_CONSTEXPR14 bool operator ==(const etl::array<T, SIZE>& lhs, const etl::array<T, SIZE>& rhs)
{
return etl::equal(lhs.cbegin(), lhs.cend(), rhs.cbegin());
}
@ -1148,7 +1148,7 @@ namespace etl
///\return <b>true</b> if the arrays are not equal, otherwise <b>false</b>
//*************************************************************************
template <typename T, size_t SIZE>
bool operator !=(const etl::array<T, SIZE>& lhs, const etl::array<T, SIZE>& rhs)
ETL_CONSTEXPR14 bool operator !=(const etl::array<T, SIZE>& lhs, const etl::array<T, SIZE>& rhs)
{
return !(lhs == rhs);
}

20
test/test_array.cpp
View File

@ -631,6 +631,16 @@ namespace
CHECK(data1 == data2);
}
//*************************************************************************
TEST(test_equal_constexpr)
{
ETL_CONSTEXPR14 Data data1 = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
ETL_CONSTEXPR14 Data data2 = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
ETL_CONSTEXPR14 bool result = (data1 == data2);
CHECK(result);
}
//*************************************************************************
TEST(test_not_equal)
{
@ -640,6 +650,16 @@ namespace
CHECK(data1 != data2);
}
//*************************************************************************
TEST(test_not_equal_constexpr)
{
ETL_CONSTEXPR14 Data data1 = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
ETL_CONSTEXPR14 Data data2 = { 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
ETL_CONSTEXPR14 bool result = (data1 != data2);
CHECK(result);
}
//*************************************************************************
TEST(test_less_than)
{