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libcamera: Copy Vector class files from libipa

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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>
This commit is contained in:
Stefan Klug 2025-02-06 15:10:08 +01:00
parent bea2db5e61
commit e506b45822
3 changed files with 821 additions and 0 deletions
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test/vector.cpp Normal file
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/* 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)