test_123,test_100,test_n123,test_n100
12345.0,100.0,-12345.0,-100.0
1234.50,10.0,-1234.50,-10.0
123.45,1.0,-123.45,-1.0
12.345,0.1,-12.345,-0.1
1.2345,0.01,-1.2345,-0.01
0.12345,0.001,-0.12345,-0.001
0.012345,0.0001,-0.012345,-0.0001
0,0,0,0.0