[PATCH 1/4] libcamera: Copy Vector class files from libipa
Stefan Klug
stefan.klug at ideasonboard.com
Thu Feb 6 15:10:08 CET 2025
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 at ideasonboard.com>
---
include/libcamera/internal/vector.h | 370 ++++++++++++++++++++++++++++
src/libcamera/vector.cpp | 351 ++++++++++++++++++++++++++
test/vector.cpp | 100 ++++++++
3 files changed, 821 insertions(+)
create mode 100644 include/libcamera/internal/vector.h
create mode 100644 src/libcamera/vector.cpp
create mode 100644 test/vector.cpp
diff --git a/include/libcamera/internal/vector.h b/include/libcamera/internal/vector.h
new file mode 100644
index 000000000000..fe33c9d6fbd1
--- /dev/null
+++ b/include/libcamera/internal/vector.h
@@ -0,0 +1,370 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Paul Elder <paul.elder at ideasonboard.com>
+ *
+ * Vector and related operations
+ */
+#pragma once
+
+#include <algorithm>
+#include <array>
+#include <cmath>
+#include <functional>
+#include <numeric>
+#include <optional>
+#include <ostream>
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/span.h>
+
+#include "libcamera/internal/matrix.h"
+#include "libcamera/internal/yaml_parser.h"
+
+namespace libcamera {
+
+LOG_DECLARE_CATEGORY(Vector)
+
+namespace ipa {
+
+#ifndef __DOXYGEN__
+template<typename T, unsigned int Rows,
+ std::enable_if_t<std::is_arithmetic_v<T>> * = nullptr>
+#else
+template<typename T, unsigned int Rows>
+#endif /* __DOXYGEN__ */
+class Vector
+{
+public:
+ constexpr Vector() = default;
+
+ constexpr explicit Vector(T scalar)
+ {
+ data_.fill(scalar);
+ }
+
+ constexpr Vector(const std::array<T, Rows> &data)
+ {
+ for (unsigned int i = 0; i < Rows; i++)
+ data_[i] = data[i];
+ }
+
+ const T &operator[](size_t i) const
+ {
+ ASSERT(i < data_.size());
+ return data_[i];
+ }
+
+ T &operator[](size_t i)
+ {
+ ASSERT(i < data_.size());
+ return data_[i];
+ }
+
+ constexpr Vector<T, Rows> operator-() const
+ {
+ Vector<T, Rows> ret;
+ for (unsigned int i = 0; i < Rows; i++)
+ ret[i] = -data_[i];
+ return ret;
+ }
+
+ constexpr Vector operator+(const Vector &other) const
+ {
+ return apply(*this, other, std::plus<>{});
+ }
+
+ constexpr Vector operator+(T scalar) const
+ {
+ return apply(*this, scalar, std::plus<>{});
+ }
+
+ constexpr Vector operator-(const Vector &other) const
+ {
+ return apply(*this, other, std::minus<>{});
+ }
+
+ constexpr Vector operator-(T scalar) const
+ {
+ return apply(*this, scalar, std::minus<>{});
+ }
+
+ constexpr Vector operator*(const Vector &other) const
+ {
+ return apply(*this, other, std::multiplies<>{});
+ }
+
+ constexpr Vector operator*(T scalar) const
+ {
+ return apply(*this, scalar, std::multiplies<>{});
+ }
+
+ constexpr Vector operator/(const Vector &other) const
+ {
+ return apply(*this, other, std::divides<>{});
+ }
+
+ constexpr Vector operator/(T scalar) const
+ {
+ return apply(*this, scalar, std::divides<>{});
+ }
+
+ Vector &operator+=(const Vector &other)
+ {
+ return apply(other, [](T a, T b) { return a + b; });
+ }
+
+ Vector &operator+=(T scalar)
+ {
+ return apply(scalar, [](T a, T b) { return a + b; });
+ }
+
+ Vector &operator-=(const Vector &other)
+ {
+ return apply(other, [](T a, T b) { return a - b; });
+ }
+
+ Vector &operator-=(T scalar)
+ {
+ return apply(scalar, [](T a, T b) { return a - b; });
+ }
+
+ Vector &operator*=(const Vector &other)
+ {
+ return apply(other, [](T a, T b) { return a * b; });
+ }
+
+ Vector &operator*=(T scalar)
+ {
+ return apply(scalar, [](T a, T b) { return a * b; });
+ }
+
+ Vector &operator/=(const Vector &other)
+ {
+ return apply(other, [](T a, T b) { return a / b; });
+ }
+
+ Vector &operator/=(T scalar)
+ {
+ return apply(scalar, [](T a, T b) { return a / b; });
+ }
+
+ constexpr Vector min(const Vector &other) const
+ {
+ return apply(*this, other, [](T a, T b) { return std::min(a, b); });
+ }
+
+ constexpr Vector min(T scalar) const
+ {
+ return apply(*this, scalar, [](T a, T b) { return std::min(a, b); });
+ }
+
+ constexpr Vector max(const Vector &other) const
+ {
+ return apply(*this, other, [](T a, T b) { return std::max(a, b); });
+ }
+
+ constexpr Vector max(T scalar) const
+ {
+ return apply(*this, scalar, [](T a, T b) -> T { return std::max(a, b); });
+ }
+
+ constexpr T dot(const Vector<T, Rows> &other) const
+ {
+ T ret = 0;
+ for (unsigned int i = 0; i < Rows; i++)
+ ret += data_[i] * other[i];
+ return ret;
+ }
+
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 1>>
+#endif /* __DOXYGEN__ */
+ constexpr const T &x() const { return data_[0]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 2>>
+#endif /* __DOXYGEN__ */
+ constexpr const T &y() const { return data_[1]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 3>>
+#endif /* __DOXYGEN__ */
+ constexpr const T &z() const { return data_[2]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 1>>
+#endif /* __DOXYGEN__ */
+ constexpr T &x() { return data_[0]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 2>>
+#endif /* __DOXYGEN__ */
+ constexpr T &y() { return data_[1]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 3>>
+#endif /* __DOXYGEN__ */
+ constexpr T &z() { return data_[2]; }
+
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 1>>
+#endif /* __DOXYGEN__ */
+ constexpr const T &r() const { return data_[0]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 2>>
+#endif /* __DOXYGEN__ */
+ constexpr const T &g() const { return data_[1]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 3>>
+#endif /* __DOXYGEN__ */
+ constexpr const T &b() const { return data_[2]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 1>>
+#endif /* __DOXYGEN__ */
+ constexpr T &r() { return data_[0]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 2>>
+#endif /* __DOXYGEN__ */
+ constexpr T &g() { return data_[1]; }
+#ifndef __DOXYGEN__
+ template<bool Dependent = false, typename = std::enable_if_t<Dependent || Rows >= 3>>
+#endif /* __DOXYGEN__ */
+ constexpr T &b() { return data_[2]; }
+
+ constexpr double length2() const
+ {
+ double ret = 0;
+ for (unsigned int i = 0; i < Rows; i++)
+ ret += data_[i] * data_[i];
+ return ret;
+ }
+
+ constexpr double length() const
+ {
+ return std::sqrt(length2());
+ }
+
+ template<typename R = T>
+ constexpr R sum() const
+ {
+ return std::accumulate(data_.begin(), data_.end(), R{});
+ }
+
+private:
+ template<class BinaryOp>
+ static constexpr Vector apply(const Vector &lhs, const Vector &rhs, BinaryOp op)
+ {
+ Vector result;
+ std::transform(lhs.data_.begin(), lhs.data_.end(),
+ rhs.data_.begin(), result.data_.begin(),
+ op);
+
+ return result;
+ }
+
+ template<class BinaryOp>
+ static constexpr Vector apply(const Vector &lhs, T rhs, BinaryOp op)
+ {
+ Vector result;
+ std::transform(lhs.data_.begin(), lhs.data_.end(),
+ result.data_.begin(),
+ [&op, rhs](T v) { return op(v, rhs); });
+
+ return result;
+ }
+
+ template<class BinaryOp>
+ Vector &apply(const Vector &other, BinaryOp op)
+ {
+ auto itOther = other.data_.begin();
+ std::for_each(data_.begin(), data_.end(),
+ [&op, &itOther](T &v) { v = op(v, *itOther++); });
+
+ return *this;
+ }
+
+ template<class BinaryOp>
+ Vector &apply(T scalar, BinaryOp op)
+ {
+ std::for_each(data_.begin(), data_.end(),
+ [&op, scalar](T &v) { v = op(v, scalar); });
+
+ return *this;
+ }
+
+ std::array<T, Rows> data_;
+};
+
+template<typename T>
+using RGB = Vector<T, 3>;
+
+template<typename T, unsigned int Rows, unsigned int Cols>
+Vector<T, Rows> operator*(const Matrix<T, Rows, Cols> &m, const Vector<T, Cols> &v)
+{
+ Vector<T, Rows> result;
+
+ for (unsigned int i = 0; i < Rows; i++) {
+ T sum = 0;
+ for (unsigned int j = 0; j < Cols; j++)
+ sum += m[i][j] * v[j];
+ result[i] = sum;
+ }
+
+ return result;
+}
+
+template<typename T, unsigned int Rows>
+bool operator==(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs)
+{
+ for (unsigned int i = 0; i < Rows; i++) {
+ if (lhs[i] != rhs[i])
+ return false;
+ }
+
+ return true;
+}
+
+template<typename T, unsigned int Rows>
+bool operator!=(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs)
+{
+ return !(lhs == rhs);
+}
+
+#ifndef __DOXYGEN__
+bool vectorValidateYaml(const YamlObject &obj, unsigned int size);
+#endif /* __DOXYGEN__ */
+
+} /* namespace ipa */
+
+#ifndef __DOXYGEN__
+template<typename T, unsigned int Rows>
+std::ostream &operator<<(std::ostream &out, const ipa::Vector<T, Rows> &v)
+{
+ out << "Vector { ";
+ for (unsigned int i = 0; i < Rows; i++) {
+ out << v[i];
+ out << ((i + 1 < Rows) ? ", " : " ");
+ }
+ out << " }";
+
+ return out;
+}
+
+template<typename T, unsigned int Rows>
+struct YamlObject::Getter<ipa::Vector<T, Rows>> {
+ std::optional<ipa::Vector<T, Rows>> get(const YamlObject &obj) const
+ {
+ if (!ipa::vectorValidateYaml(obj, Rows))
+ return std::nullopt;
+
+ ipa::Vector<T, Rows> vector;
+
+ unsigned int i = 0;
+ for (const YamlObject &entry : obj.asList()) {
+ const auto value = entry.get<T>();
+ if (!value)
+ return std::nullopt;
+ vector[i++] = *value;
+ }
+
+ return vector;
+ }
+};
+#endif /* __DOXYGEN__ */
+
+} /* namespace libcamera */
diff --git a/src/libcamera/vector.cpp b/src/libcamera/vector.cpp
new file mode 100644
index 000000000000..8019f8cfdc85
--- /dev/null
+++ b/src/libcamera/vector.cpp
@@ -0,0 +1,351 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Paul Elder <paul.elder at ideasonboard.com>
+ *
+ * Vector and related operations
+ */
+
+#include "vector.h"
+
+#include <libcamera/base/log.h>
+
+/**
+ * \file vector.h
+ * \brief Vector class
+ */
+
+namespace libcamera {
+
+LOG_DEFINE_CATEGORY(Vector)
+
+namespace ipa {
+
+/**
+ * \class Vector
+ * \brief Vector class
+ * \tparam T Type of numerical values to be stored in the vector
+ * \tparam Rows Number of dimension of the vector (= number of elements)
+ */
+
+/**
+ * \fn Vector::Vector()
+ * \brief Construct an uninitialized vector
+ */
+
+/**
+ * \fn Vector::Vector(T scalar)
+ * \brief Construct a vector filled with a \a scalar value
+ * \param[in] scalar The scalar value
+ */
+
+/**
+ * \fn Vector::Vector(const std::array<T, Rows> &data)
+ * \brief Construct vector from supplied data
+ * \param data Data from which to construct a vector
+ *
+ * The size of \a data must be equal to the dimension size Rows of the vector.
+ */
+
+/**
+ * \fn T Vector::operator[](size_t i) const
+ * \brief Index to an element in the vector
+ * \param i Index of element to retrieve
+ * \return Element at index \a i from the vector
+ */
+
+/**
+ * \fn T &Vector::operator[](size_t i)
+ * \copydoc Vector::operator[](size_t i) const
+ */
+
+/**
+ * \fn Vector::operator-() const
+ * \brief Negate a Vector by negating both all of its coordinates
+ * \return The negated vector
+ */
+
+/**
+ * \fn Vector::operator+(Vector const &other) const
+ * \brief Calculate the sum of this vector and \a other element-wise
+ * \param[in] other The other vector
+ * \return The element-wise sum of this vector and \a other
+ */
+
+/**
+ * \fn Vector::operator+(T scalar) const
+ * \brief Calculate the sum of this vector and \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return The element-wise sum of this vector and \a other
+ */
+
+/**
+ * \fn Vector::operator-(Vector const &other) const
+ * \brief Calculate the difference of this vector and \a other element-wise
+ * \param[in] other The other vector
+ * \return The element-wise subtraction of \a other from this vector
+ */
+
+/**
+ * \fn Vector::operator-(T scalar) const
+ * \brief Calculate the difference of this vector and \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return The element-wise subtraction of \a scalar from this vector
+ */
+
+/**
+ * \fn Vector::operator*(const Vector &other) const
+ * \brief Calculate the product of this vector and \a other element-wise
+ * \param[in] other The other vector
+ * \return The element-wise product of this vector and \a other
+ */
+
+/**
+ * \fn Vector::operator*(T scalar) const
+ * \brief Calculate the product of this vector and \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return The element-wise product of this vector and \a scalar
+ */
+
+/**
+ * \fn Vector::operator/(const Vector &other) const
+ * \brief Calculate the quotient of this vector and \a other element-wise
+ * \param[in] other The other vector
+ * \return The element-wise division of this vector by \a other
+ */
+
+/**
+ * \fn Vector::operator/(T scalar) const
+ * \brief Calculate the quotient of this vector and \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return The element-wise division of this vector by \a scalar
+ */
+
+/**
+ * \fn Vector::operator+=(Vector const &other)
+ * \brief Add \a other element-wise to this vector
+ * \param[in] other The other vector
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator+=(T scalar)
+ * \brief Add \a scalar element-wise to this vector
+ * \param[in] scalar The scalar
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator-=(Vector const &other)
+ * \brief Subtract \a other element-wise from this vector
+ * \param[in] other The other vector
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator-=(T scalar)
+ * \brief Subtract \a scalar element-wise from this vector
+ * \param[in] scalar The scalar
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator*=(const Vector &other)
+ * \brief Multiply this vector by \a other element-wise
+ * \param[in] other The other vector
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator*=(T scalar)
+ * \brief Multiply this vector by \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator/=(const Vector &other)
+ * \brief Divide this vector by \a other element-wise
+ * \param[in] other The other vector
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::operator/=(T scalar)
+ * \brief Divide this vector by \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return This vector
+ */
+
+/**
+ * \fn Vector::min(const Vector &other) const
+ * \brief Calculate the minimum of this vector and \a other element-wise
+ * \param[in] other The other vector
+ * \return The element-wise minimum of this vector and \a other
+ */
+
+/**
+ * \fn Vector::min(T scalar) const
+ * \brief Calculate the minimum of this vector and \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return The element-wise minimum of this vector and \a scalar
+ */
+
+/**
+ * \fn Vector::max(const Vector &other) const
+ * \brief Calculate the maximum of this vector and \a other element-wise
+ * \param[in] other The other vector
+ * \return The element-wise maximum of this vector and \a other
+ */
+
+/**
+ * \fn Vector::max(T scalar) const
+ * \brief Calculate the maximum of this vector and \a scalar element-wise
+ * \param[in] scalar The scalar
+ * \return The element-wise maximum of this vector and \a scalar
+ */
+
+/**
+ * \fn Vector::dot(const Vector<T, Rows> &other) const
+ * \brief Compute the dot product
+ * \param[in] other The other vector
+ * \return The dot product of the two vectors
+ */
+
+/**
+ * \fn constexpr T &Vector::x()
+ * \brief Convenience function to access the first element of the vector
+ * \return The first element of the vector
+ */
+
+/**
+ * \fn constexpr T &Vector::y()
+ * \brief Convenience function to access the second element of the vector
+ * \return The second element of the vector
+ */
+
+/**
+ * \fn constexpr T &Vector::z()
+ * \brief Convenience function to access the third element of the vector
+ * \return The third element of the vector
+ */
+
+/**
+ * \fn constexpr const T &Vector::x() const
+ * \copydoc Vector::x()
+ */
+
+/**
+ * \fn constexpr const T &Vector::y() const
+ * \copydoc Vector::y()
+ */
+
+/**
+ * \fn constexpr const T &Vector::z() const
+ * \copydoc Vector::z()
+ */
+
+/**
+ * \fn constexpr T &Vector::r()
+ * \brief Convenience function to access the first element of the vector
+ * \return The first element of the vector
+ */
+
+/**
+ * \fn constexpr T &Vector::g()
+ * \brief Convenience function to access the second element of the vector
+ * \return The second element of the vector
+ */
+
+/**
+ * \fn constexpr T &Vector::b()
+ * \brief Convenience function to access the third element of the vector
+ * \return The third element of the vector
+ */
+
+/**
+ * \fn constexpr const T &Vector::r() const
+ * \copydoc Vector::r()
+ */
+
+/**
+ * \fn constexpr const T &Vector::g() const
+ * \copydoc Vector::g()
+ */
+
+/**
+ * \fn constexpr const T &Vector::b() const
+ * \copydoc Vector::b()
+ */
+
+/**
+ * \fn Vector::length2()
+ * \brief Get the squared length of the vector
+ * \return The squared length of the vector
+ */
+
+/**
+ * \fn Vector::length()
+ * \brief Get the length of the vector
+ * \return The length of the vector
+ */
+
+/**
+ * \fn Vector::sum() const
+ * \brief Calculate the sum of all the vector elements
+ * \tparam R The type of the sum
+ *
+ * The type R of the sum defaults to the type T of the elements, but can be set
+ * explicitly to use a different type in case the type T would risk
+ * overflowing.
+ *
+ * \return The sum of all the vector elements
+ */
+
+/**
+ * \fn Vector<T, Rows> operator*(const Matrix<T, Rows, Cols> &m, const Vector<T, Cols> &v)
+ * \brief Multiply a matrix by a vector
+ * \tparam T Numerical type of the contents of the matrix and vector
+ * \tparam Rows The number of rows in the matrix
+ * \tparam Cols The number of columns in the matrix (= rows in the vector)
+ * \param m The matrix
+ * \param v The vector
+ * \return Product of matrix \a m and vector \a v
+ */
+
+/**
+ * \typedef RGB
+ * \brief A Vector of 3 elements representing an RGB pixel value
+ */
+
+/**
+ * \fn bool operator==(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs)
+ * \brief Compare vectors for equality
+ * \return True if the two vectors are equal, false otherwise
+ */
+
+/**
+ * \fn bool operator!=(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs)
+ * \brief Compare vectors for inequality
+ * \return True if the two vectors are not equal, false otherwise
+ */
+
+#ifndef __DOXYGEN__
+bool vectorValidateYaml(const YamlObject &obj, unsigned int size)
+{
+ if (!obj.isList())
+ return false;
+
+ if (obj.size() != size) {
+ LOG(Vector, Error)
+ << "Wrong number of values in YAML vector: expected "
+ << size << ", got " << obj.size();
+ return false;
+ }
+
+ return true;
+}
+#endif /* __DOXYGEN__ */
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/test/vector.cpp b/test/vector.cpp
new file mode 100644
index 000000000000..8e4ec77d7820
--- /dev/null
+++ 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)
--
2.43.0
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