### Describe problem solved by the proposed feature https://github.com/RT-Thread/rt-thread/pull/9863 这个提交引入了`strtod`,导致了需要引入一系列浮点库,会增大亿点空间(在代码密度比较低的riscv+公版gcc上大概30k+)。 @mysterywolf ### Describe your preferred solution _No response_ ### Describe possible alternatives _No response_