cmake math(DECIMAL) examples

curl/curl CMake/FindLibrtmp.cmake :69 

math(EXPR _version_str1 "0x${_version_str1}" OUTPUT_FORMAT DECIMAL)

curl/curl CMake/FindLibrtmp.cmake :70 

math(EXPR _version_str2 "0x${_version_str2}" OUTPUT_FORMAT DECIMAL)

microsoft/vcpkg ports/libtorch/portfile.cmake :252 

math(EXPR repeat "${repeat} - 1" OUTPUT_FORMAT DECIMAL)