sprintf and minus sign problem

I have a problem understanding the sprintf function in a specific case:

sprintf('%.2f', 0)

produces: "0.00" , as expected.

In my case I have a variable [value] that should equal 0:

value == 0
  ans = 1

but

sprintf(%.2f, value)

results in "-0.00" (a minus sign is added)

Is there any chance that [value] still contains something different from 0, eventhough value == 0 retuns TRUE?

Answer 1

[Walter Roberson]

MATLAB supports signed 0. See http://www.mathworks.com/matlabcentral/newsreader/view_thread/251089

[Diederik]

Thanks, this answers it.