test begin
 range1 begin
 range1 end with
 CL_ARR_RNG
 num=20 start=-9 step=1
 range2 begin
 range2 end with
 CL_ARR_RNG
 num=10 start=-9 step=2
 range3 begin
 range3 end with
 CL_ARR_RNG
 num=20 start=10 step=-1
 range4 begin
 range4 end with
 CL_ARR_RNG
 num=10 start=10 step=-2
 range5 begin
 range5 end with
 CL_ARR_RNG
 num=3 start=1 step=1
 range6 begin
 range6 end with
 CL_ARR_RNG
 num=10 start=100 step=10
 range6 begin
 range6 end with
 CL_ARR_RNG
 num=10 start=199 step=-10
test end with
(0.000000,0.000000)
