有符号32位整型变量 typedef signed int INT32S ; typedef signed long INT32S ; define INT32 signed long ; typedef f signed long INT32S
无符号32位整型变量 typedef unsigned int INT32U ; typedef unsigned long INT32U ; typedef f unsigned long INT32U ; define UINT32 unsigned long
So, a 32 bit of float gives you a bunch of precision.
2比特的浮点型数据精度更大。
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