chore: import upstream snapshot with attribution

2026-07-13 13:05:14 +08:00
commit 2a547be7fe
7904 changed files with 1000926 additions and 0 deletions
@@ -0,0 +1,111 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include <rerun/datatypes/mat3x3.hpp>
+#include <rerun/datatypes/mat4x4.hpp>
+
+using namespace rerun::datatypes;
+
+#define TEST_TAG "[matrix_types]"
+
+void ctor_checks(const Mat3x3& mat3x3) {
+    for (size_t i = 0; i < 9; ++i) {
+        CHECK(mat3x3.flat_columns[i] == static_cast<float>(i));
+    }
+}
+
+TEST_CASE("Construct Mat3x3 in different ways", TEST_TAG) {
+    SECTION("Default constructor") {
+        Mat3x3 m3x3;
+
+        // Not initialized! Access is undefined behavior.
+        // Suppress unused warnings.
+        (void)(m3x3);
+    }
+
+    SECTION("By passing vecs to constructor") {
+        ctor_checks(
+            Mat3x3({Vec3D{0.0f, 1.0f, 2.0f}, Vec3D{3.0f, 4.0f, 5.0f}, Vec3D{6.0f, 7.0f, 8.0f}})
+        );
+    }
+
+    SECTION("Via c-array") {
+        float carray[] = {0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f};
+        Mat3x3 m3x3(carray);
+        ctor_checks(m3x3);
+    }
+
+    SECTION("Via float ptr") {
+        std::array<float, 9> elements = {0.0f, 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f};
+        Mat3x3 m3x3(elements.data());
+        ctor_checks(m3x3);
+    }
+}
+
+void ctor_checks(const Mat4x4& mat4x4) {
+    for (size_t i = 0; i < 16; ++i) {
+        CHECK(mat4x4.flat_columns[i] == static_cast<float>(i));
+    }
+}
+
+TEST_CASE("Construct Mat4x4 in different ways", TEST_TAG) {
+    SECTION("Default constructor") {
+        Mat4x4 m4x4;
+
+        // Not initialized! Access is undefined behavior.
+        // Suppress unused warnings.
+        (void)(m4x4);
+    }
+
+    SECTION("By passing vecs to constructor") {
+        ctor_checks(Mat4x4({
+            Vec4D{0.0f, 1.0f, 2.0f, 3.0f},
+            Vec4D{4.0f, 5.0f, 6.0f, 7.0f},
+            Vec4D{8.0f, 9.0f, 10.0f, 11.0f},
+            Vec4D{12.0f, 13.0f, 14.0f, 15.0f},
+        }));
+    }
+
+    SECTION("Via c-array") {
+        float carray[] = {
+            0.0f,
+            1.0f,
+            2.0f,
+            3.0f,
+            4.0f,
+            5.0f,
+            6.0f,
+            7.0f,
+            8.0f,
+            9.0f,
+            10.0f,
+            11.0f,
+            12.0f,
+            13.0f,
+            14.f,
+            15.0f};
+        Mat4x4 m4x4(carray);
+        ctor_checks(m4x4);
+    }
+
+    SECTION("Via float ptr") {
+        std::array<float, 16> elements = {
+            0.0f,
+            1.0f,
+            2.0f,
+            3.0f,
+            4.0f,
+            5.0f,
+            6.0f,
+            7.0f,
+            8.0f,
+            9.f,
+            10.0f,
+            11.0f,
+            12.0f,
+            13.0f,
+            14.f,
+            15.0f};
+        Mat4x4 m4x4(elements.data());
+        ctor_checks(m4x4);
+    }
+}