docs(ref): document `math.h` #268

Job	Run time
Generate build matrix for CMake Test Package CI	8s
Apple Clang 15.2 C++20 fmtlib gsl-lite Debug	1m 2s
Apple Clang 15.2 C++23 fmtlib gsl-lite Release	1m 9s
Apple Clang 16.1 C++20 fmtlib gsl-lite Debug	43s
Apple Clang 16.1 C++20 std::format gsl-lite Debug	38s
Clang-16 (x86-64) C++20 fmtlib gsl-lite Debug	1m 22s
Clang-16 (x86-64) C++23 fmtlib none Debug	1m 8s
Clang-17 (x86-64) C++20 fmtlib none Debug	1m 36s
Clang-17 (x86-64) C++20 std::format gsl-lite Debug	7m 10s
Clang-18 (arm64) C++20 std::format gsl-lite Debug	1m 47s
Clang-18 (arm64) C++23 fmtlib none Release	1m 11s
Clang-18 (x86-64) C++20 fmtlib ms-gsl Release	1m 31s
Clang-18 (x86-64) C++20 std::format gsl-lite Debug	1m 24s
Clang-18 (x86-64) C++23 std::format none Debug	1m 22s
GCC-12 C++20 fmtlib gsl-lite Debug	54s
GCC-12 C++23 fmtlib ms-gsl Release	53s
GCC-13 C++20 std::format gsl-lite Debug	35s
GCC-13 C++20 std::format none Release	39s
GCC-14 C++20 fmtlib none Release	38s
GCC-14 C++20 std::format gsl-lite Debug	40s
MSVC 14.4 C++20 fmtlib ms-gsl Release	1m 32s
MSVC 14.4 C++20 std::format gsl-lite Debug	1m 31s
	29m 33s

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