Random number generator function for wichman hill algortihm

用线性同余法和Wichman-Hill算法产生[0,1]均匀分布的随机数-With a linear congruent method and Wichman-Hill algorithm to generate [0,1] uniformly distributed random number

it is a simulation of wichman hill algortihm which generate a uniform distribution of limoit 0 and 1