Make minor improvements to vector, matrix, and quaternion classes. Re…

…duce minimum CMake version to 3.27 so GitHub build will work.

CMakeLists.txt

@@ -6,7 +6,7 @@ if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
 	message(FATAL_ERROR "In-source builds prohibited.")
 endif()
 
-cmake_minimum_required(VERSION 3.28)
+cmake_minimum_required(VERSION 3.27)
 include(FetchContent)
 set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
 

CMakePresets.json

@@ -3,7 +3,7 @@
 	"cmakeMinimumRequired":
 	{
 		"major": 3,
-		"minor": 28,
+		"minor": 27,
 		"patch": 0
 	},
 	"configurePresets":

src/engine/math/functions.hpp

@@ -7,6 +7,7 @@
 #include <engine/math/constants.hpp>
 #include <cmath>
 #include <concepts>
+#include <tuple>
 
 // export module math.functions;
 // import math.constants;
@@ -15,7 +16,7 @@
 
 namespace math {
 
-/// Mathematical functions
+/// Mathematical functions.
 namespace functions {
 
 /// @name Basic operations
@@ -526,14 +527,15 @@ template <std::floating_point T>
  * Splits a value into its integer and fractional components.
  *
  * @param x Value to split.
- * @param[out] i Integer part of @p x.
  *
- * @return Fractional part of @p x.
+ * @return Tuple containing the fractional part of @p x, followed by the integer part of @p x.
  */
 template <std::floating_point T>
-[[nodiscard]] inline T modf(T x, T i)
+[[nodiscard]] inline std::tuple<T, T> modf(T x)
 {
-	return std::modf(x, &i);
+	std::tuple<T, T> result;
+	std::get<0>(result) = std::modf(x, &std::get<1>(result));
+	return result;
 }
 
 /// @}

src/engine/math/matrix-functions.hpp

@@ -102,29 +102,6 @@ template <class T, std::size_t N, std::size_t M>
 template <class T, std::size_t N, std::size_t M>
 [[nodiscard]] constexpr matrix<T, N, M> div(T a, const matrix<T, N, M>& b) noexcept;
 
-/**
- * Extracts the Ith column from a matrix.
- *
- * @tparam I Index of a column.
- * @tparam T Element type.
- * @tparam N Number of columns.
- * @tparam M Number of rows.
- *
- * @param m Matrix from which to extract a column.
- *
- * @return Reference to the Ith column of @p m.
- */
-/// @{
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-[[nodiscard]] constexpr typename matrix<T, N, M>::column_type& get(matrix<T, N, M>& m) noexcept;
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-[[nodiscard]] constexpr typename matrix<T, N, M>::column_type&& get(matrix<T, N, M>&& m) noexcept;
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-[[nodiscard]] constexpr const typename matrix<T, N, M>::column_type& get(const matrix<T, N, M>& m) noexcept;
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-[[nodiscard]] constexpr const typename matrix<T, N, M>::column_type&& get(const matrix<T, N, M>&& m) noexcept;
-/// @}
-
 /**
  * Calculates the inverse of a square matrix.
  *
@@ -445,34 +422,6 @@ constexpr matrix<T, N, M> div(T a, const matrix<T, N, M>& b) noexcept
 	return div(a, b, std::make_index_sequence<N>{});
 }
 
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-inline constexpr typename matrix<T, N, M>::column_type& get(matrix<T, N, M>& m) noexcept
-{
-	static_assert(I < N);
-	return m.columns[I];
-}
-
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-inline constexpr typename matrix<T, N, M>::column_type&& get(matrix<T, N, M>&& m) noexcept
-{
-	static_assert(I < N);
-	return std::move(m.columns[I]);
-}
-
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-inline constexpr const typename matrix<T, N, M>::column_type& get(const matrix<T, N, M>& m) noexcept
-{
-	static_assert(I < N);
-	return m.columns[I];
-}
-
-template<std::size_t I, class T, std::size_t N, std::size_t M>
-inline constexpr const typename matrix<T, N, M>::column_type&& get(const matrix<T, N, M>&& m) noexcept
-{
-	static_assert(I < N);
-	return std::move(m.columns[I]);
-}
-
 /// @private
 template <class T>
 constexpr matrix<T, 2, 2> inverse(const matrix<T, 2, 2>& m) noexcept