设计了一个双精度浮点乘法器。该器件采用改进的BOO TH 算法产生部分积, 用阵列和

树的混合结构实现对部分积的相加, 同时, 还采用了快速的四舍五入算法, 以提高乘法器的性能。把

设计的乘法器分为4 级流水线, 用FPGA 进行了仿真验证, 结果正确 并对FPGA 实现的时序结果

进行了分析。-Designed a double-precision floating-point multiplier. The device uses an improved algorithm for BOO TH generate part of the plot, with a mixed array and a tree structure to achieve the sum of the partial product, while also using a fast rounding algorithm to improve the performance of multipliers. The design of the multiplier is divided into four lines, carried out a simulation using FPGA verification result is correct　and FPGA timing to achieve the results analyzed.