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Type convertion error ? [message #72722] Fri, 01 October 2010 08:07
natha is currently offline  natha
Messages: 482
Registered: October 2007
Senior Member
Hello everybody,

Why the following occurs ?

If I have an unsigned LONG like a=1285649589ul

And I do
PRINT, a, FORMAT='(f0.1)'
1285649589.0

PRINT, FLOAT(a), FORMAT='(f0.1)'
1285649536.0

I don't understand the problem.. It seems that there is a difference
changing the data type but, then, I do
PRINT, a - FLOAT(a), FORMAT='(f0.1)'
0.0

WTF ???
What's going on here ?
Thanks in advance,

nata

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