Here is the Problem again without the transform()!
clear
local a, b, c, d, x
a= -1
b= -0.1
c= 1
d= 0.1
x= a+b+c+d
? empty(x) &&Should give you a .t. but it doesn't. The 35 Digit in Comma value is the Ppoblem
Marvin Blase (tA-logistic Software GmbH)
You'll never notice the good things if you haven't seen the bad.