这是一个32位的浮点运算单元（FPU），它可以根据IEEE754标准被完全编译。此FPU已被硬件测试和被软件仿真通过。-This is a 32-bit floating point unit (FPU),It can do arithmetic operations on floating point numbers. The FPU complies fully with the IEEE 754 Standard. The FPU was tested and simulated in h