Refactor discretization. #682

Job	Run time
CMake Matrix Test. (Linux Min GCC, ubuntu-22.04, gcc-12, g++-12, 3.9, 3.19.x, ON, OFF, static)	13m 0s
CMake Matrix Test. (Linux Min GCC, ubuntu-22.04, gcc-12, g++-12, 3.9, 3.19.x, ON, OFF, shared)	9m 12s
CMake Matrix Test. (Linux Min Clang, ubuntu-22.04, clang-12, clang++-12, 3.9, 3.19.x, ON, OFF, st...	5m 18s
CMake Matrix Test. (Linux Min Clang, ubuntu-22.04, clang-12, clang++-12, 3.9, 3.19.x, ON, OFF, sh...	4m 46s
CMake Matrix Test. (MacOS Min, macos-13, clang, clang++, 3.9, 3.19.x, ON, OFF, static)	13m 44s
CMake Matrix Test. (MacOS Min, macos-13, clang, clang++, 3.9, 3.19.x, ON, OFF, shared)	11m 24s
CMake Matrix Test. (Linux Max GCC, ubuntu-24.04, gcc-14, g++-14, 3.12, 3.22.x, ON, OFF, static)	21m 50s
CMake Matrix Test. (Linux Max GCC, ubuntu-24.04, gcc-14, g++-14, 3.12, 3.22.x, ON, OFF, shared)	14m 44s
CMake Matrix Test. (Linux SIMD, ubuntu-24.04, gcc-14, g++-14, 3.12, 3.22.x, OFF, ON, static)	20m 19s
CMake Matrix Test. (Linux SIMD, ubuntu-24.04, gcc-14, g++-14, 3.12, 3.22.x, OFF, ON, shared)	13m 48s
CMake Matrix Test. (Linux Max Clang, ubuntu-24.04, clang-18, clang++-18, 3.12, 3.22.x, ON, OFF, s...	11m 16s
CMake Matrix Test. (Linux Max Clang, ubuntu-24.04, clang-18, clang++-18, 3.12, 3.22.x, ON, OFF, s...	7m 50s
CMake Matrix Test. (MacOS Max, macos-14, clang, clang++, 3.12, 3.22.x, ON, OFF, static)	9m 44s
CMake Matrix Test. (MacOS Max, macos-14, clang, clang++, 3.12, 3.22.x, ON, OFF, shared)	9m 37s
	2h 46m 32s

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