libcamera: Copy Vector class files from libipa

Prepare the move of the Vector class from libipa to libcamera by copying the relevant files into the corresponding libcamera directories. The files are copied without modification. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2025-02-06 15:10:08 +01:00
parent bea2db5e61
commit e506b45822
3 changed files with 821 additions and 0 deletions
--- a/test/vector.cpp
+++ b/test/vector.cpp
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2024, Ideas on Board Oy
+ *
+ * Vector tests
+ */
+
+#include "../src/ipa/libipa/vector.h"
+
+#include <cmath>
+#include <iostream>
+
+#include "test.h"
+
+using namespace libcamera::ipa;
+
+#define ASSERT_EQ(a, b)							\
+if ((a) != (b)) {							\
+	std::cout << #a " != " #b << " (line " << __LINE__ << ")"	\
+		  << std::endl;						\
+	return TestFail;						\
+}
+
+class VectorTest : public Test
+{
+protected:
+	int run()
+	{
+		Vector<double, 3> v1{ 0.0 };
+
+		ASSERT_EQ(v1[0], 0.0);
+		ASSERT_EQ(v1[1], 0.0);
+		ASSERT_EQ(v1[2], 0.0);
+
+		ASSERT_EQ(v1.length(), 0.0);
+		ASSERT_EQ(v1.length2(), 0.0);
+
+		Vector<double, 3> v2{{ 1.0, 4.0, 8.0 }};
+
+		ASSERT_EQ(v2[0], 1.0);
+		ASSERT_EQ(v2[1], 4.0);
+		ASSERT_EQ(v2[2], 8.0);
+
+		ASSERT_EQ(v2.x(), 1.0);
+		ASSERT_EQ(v2.y(), 4.0);
+		ASSERT_EQ(v2.z(), 8.0);
+
+		ASSERT_EQ(v2.r(), 1.0);
+		ASSERT_EQ(v2.g(), 4.0);
+		ASSERT_EQ(v2.b(), 8.0);
+
+		ASSERT_EQ(v2.length2(), 81.0);
+		ASSERT_EQ(v2.length(), 9.0);
+		ASSERT_EQ(v2.sum(), 13.0);
+
+		Vector<double, 3> v3{ v2 };
+
+		ASSERT_EQ(v2, v3);
+
+		v3 = Vector<double, 3>{{ 4.0, 4.0, 4.0 }};
+
+		ASSERT_EQ(v2 + v3, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }}));
+		ASSERT_EQ(v2 + 4.0, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }}));
+		ASSERT_EQ(v2 - v3, (Vector<double, 3>{{ -3.0, 0.0, 4.0 }}));
+		ASSERT_EQ(v2 - 4.0, (Vector<double, 3>{{ -3.0, 0.0, 4.0 }}));
+		ASSERT_EQ(v2 * v3, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }}));
+		ASSERT_EQ(v2 * 4.0, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }}));
+		ASSERT_EQ(v2 / v3, (Vector<double, 3>{{ 0.25, 1.0, 2.0 }}));
+		ASSERT_EQ(v2 / 4.0, (Vector<double, 3>{{ 0.25, 1.0, 2.0 }}));
+
+		ASSERT_EQ(v2.min(v3), (Vector<double, 3>{{ 1.0, 4.0, 4.0 }}));
+		ASSERT_EQ(v2.min(4.0), (Vector<double, 3>{{ 1.0, 4.0, 4.0 }}));
+		ASSERT_EQ(v2.max(v3), (Vector<double, 3>{{ 4.0, 4.0, 8.0 }}));
+		ASSERT_EQ(v2.max(4.0), (Vector<double, 3>{{ 4.0, 4.0, 8.0 }}));
+
+		ASSERT_EQ(v2.dot(v3), 52.0);
+
+		v2 += v3;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }}));
+		v2 -= v3;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }}));
+		v2 *= v3;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }}));
+		v2 /= v3;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }}));
+
+		v2 += 4.0;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }}));
+		v2 -= 4.0;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }}));
+		v2 *= 4.0;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }}));
+		v2 /= 4.0;
+		ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }}));
+
+		return TestPass;
+	}
+};
+
+TEST_REGISTER(VectorTest)