bbobbenchmarks.py 文件源码

def initwithsize(self, curshape, dim):
        # DIM-dependent initialization
        if self.dim != dim:
            scale = max(1, dim ** .5 / 8.)
            self.linearTF = scale * compute_rotation(self.rseed, dim)
            # if self.zerox:
            #    self.xopt = zeros(dim) # does not work here
            # else:
            # TODO: clean this line
            self.xopt = np.hstack(dot(self.linearTF, 0.5 * np.ones((dim, 1)) / scale ** 2))

        # DIM- and POPSI-dependent initialisations of DIM*POPSI matrices
        if self.lastshape != curshape:
            self.dim = dim
            self.lastshape = curshape
            self.arrxopt = resize(self.xopt, curshape)