Continue major restructure of the project

CMakeLists.txt

@@ -20,6 +20,7 @@ option(CCMATH_BUILD_EXAMPLES "Build ccmath examples" ${is_root_project})
 option(CCMATH_BUILD_BENCHMARKS "Build ccmath benchmarks" ${is_root_project})
 option(CCMATH_INSTALL "Setup install and package steps" ${is_root_project})
 option(CCMATH_USE_SIMD "Use SIMD instructions" OFF) # SIMD is not yet implemented.
+option(CCMATH_ENABLE_EXTENSIONS "Enable the extended ccmath library that adds helpful additional methods that are not defined by the standard" ON)
 
 # include the global configuration file
 include(cmake/GlobalConfig.cmake)
@@ -31,12 +32,6 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL Clang OR CMAKE_CXX_COMPILER_ID STREQUAL GNU)
   target_compile_options(${PROJECT_NAME}-compile-options INTERFACE
           -Wall -Wextra -Wpedantic -Wconversion -Werror=return-type
   )
-  # TODO: Remove this later.
-  #       Some variables have been provided but are not currently being used, but it would not atm make sense to remove them.
-  #       So to clean up the warnings we are just silencing these specific cases.
-  target_compile_options(${PROJECT_NAME}-compile-options INTERFACE
-          -Wno-unused-but-set-variable -Wno-unused-value
-  )
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL MSVC)
@@ -52,6 +47,11 @@ add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
 
 target_sources(${PROJECT_NAME} INTERFACE "$<BUILD_INTERFACE:${ccmath_headers}>")
 
+if (CCMATH_ENABLE_EXTENSIONS)
+  include(ccmath_extensions_headers.cmake)
+  target_sources(${PROJECT_NAME} INTERFACE "$<BUILD_INTERFACE:${ccmath_extensions_headers}>")
+endif()
+
 target_include_directories(${PROJECT_NAME} INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/>)
 target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE $<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>)
 

ccmath_extensions_headers.cmake

@@ -0,0 +1,6 @@
+
+
+set(ccmath_extensions_headers
+        ${CMAKE_CURRENT_SOURCE_DIR}/include/ccmath/extensions/slerp.hpp
+
+)

include/ccmath/extensions/slerp.hpp

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2024-Present Ian Pike
+ * Copyright (c) 2024-Present ccmath contributors
+ *
+ * This library is provided under the MIT License.
+ * See LICENSE for more information.
+ */
+
+#pragma once
+
+#include "ccmath/math/exponential/exp2.hpp"
+
+namespace ccm::ext
+{
+	/**
+	 * @brief Frame rate independent linear interpolation smoothing.
+	 * @tparam T Type of the input and output.
+	 * @param a Current value.
+	 * @param b Target value.
+	 * @param t Delta time, in seconds.
+	 * @param h Half-life, time until halfway, in seconds.
+	 * @return The smoothed value.
+	 *
+	 * @warning Currently waiting on ccm::exp2 to be implemented. Till then this will NOT work.
+	 */
+	template<typename T>
+    inline constexpr T slerp(T a, T b, T t, T h)
+    {
+        return b + (a - b) * ccm::exp2<T>(-t / h);
+    }
+} // namespace ccm::ext

include/ccmath/math/exponential/exp2.hpp

@@ -10,5 +10,10 @@
 
 namespace ccm
 {
+	template<typename T>
+    inline constexpr T exp2(T x)
+    {
+        return 0;
+    }
 
 } // namespace ccm