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move constructor for Ndim-1

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froejdh_e
2025-07-25 10:40:32 +02:00
parent 1347158235
commit d6222027d0
4 changed files with 79 additions and 32 deletions
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24
src/NDArray.test.cpp
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@@ -427,4 +427,28 @@ TEST_CASE("Construct an NDArray from an std::array") {
for (uint32_t i = 0; i < a.size(); ++i) {
REQUIRE(a(i) == b[i]);
}
}
TEST_CASE("Move construct from an array with Ndim + 1") {
NDArray<int, 3> a({{1,2,2}}, 0);
a(0, 0, 0) = 1;
a(0, 0, 1) = 2;
a(0, 1, 0) = 3;
a(0, 1, 1) = 4;
NDArray<int, 2> b(std::move(a));
REQUIRE(b.shape() == Shape<2>{2,2});
REQUIRE(b.size() == 4);
REQUIRE(b(0, 0) == 1);
REQUIRE(b(0, 1) == 2);
REQUIRE(b(1, 0) == 3);
REQUIRE(b(1, 1) == 4);
}
TEST_CASE("Move construct from an array with Ndim + 1 throws on size mismatch") {
NDArray<int, 3> a({{2,2,2}}, 0);
REQUIRE_THROWS(NDArray<int, 2>(std::move(a)));
}