__FPU_PRESENT

__FPU_PRESENT是一个宏定义，用于确认处理器是否带有FPU（浮点运算单元）功能。在STM32F4系列中，默认情况下，__FPU_PRESENT被定义为1，表示处理器带有FPU功能。\[1\]
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- *1* *3* [CubeMX生成的STM32F4xx MDK工程FPU和DSP库的使用](https://blog.csdn.net/qq_40965124/article/details/107464429)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [stm32 FPU和DSP](https://blog.csdn.net/qq_44771694/article/details/125738182)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control,239^v3^insert_chatgpt"}} ] [.reference_item]
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