Isidro Cachadiña Gutiérrez wrote: > b=cl_float(1e-1,default_float_format); > a=1.1000000000000000055511151231257827021181583404541015625L0 > ^ ¿Why are here these noisy 1e-1 is not the same as 0.1000000000000000000000000000000000000000000000000000000 See http://docs.sun.com/source/806-3568/ncg_goldberg.html for explanations. Bruno