summaryrefslogtreecommitdiff
path: root/src/ipa/libipa/vector.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/ipa/libipa/vector.h')
-rw-r--r--src/ipa/libipa/vector.h370
1 files changed, 0 insertions, 370 deletions
diff --git a/src/ipa/libipa/vector.h b/src/ipa/libipa/vector.h
deleted file mode 100644
index fe33c9d6..00000000
--- a/src/ipa/libipa/vector.h
+++ /dev/null
@@ -1,370 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2024, Paul Elder <paul.elder@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 */