C常用算法程序集

				x(0)= 3.000000e+00,   5.000000e+00,  -4.070908e-16
				x(1)=-1.000000e+00,  -3.000000e+00,   3.000000e+00
				x(2)= 1.908873e-16,   2.000000e+00,  -1.000000e+00
				x(3)=-5.000000e+00,  -2.220446e-15,  -1.332268e-15
				x(4)= 7.000000e+00,  -9.688431e-16,   2.000000e+00
				x(5)= 1.000000e+00,   1.000000e+00,  -3.000000e+00
				x(6)= 2.000000e+00,  -1.000000e+00,  -2.385245e-17
				x(7)=-9.288423e-16,   4.000000e+00,  -5.000000e+00