double (float) type variable

[rothe]

Code:

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double d=9/2
if d>4.4
    out "yes"
else
    out "no"

the output is "no". Can someone explain that - d should be 4.5 and if should return "yes"

[Gintaras]

double d=9/2

at first calculates 9/2. Both are integers, therefore result is integer (4). Then it is assigned to d.
to calculate as doubles, use 9/2.0 or 9.0/2 or 9.0/2.0 or 1.0*9/2 etc.