Converting double (or float) to int - c++

Szabolcs wrote:
> After a little experimentation I see that with the g++ compiler on
> x86, when a double is converted to an int, the fractional part is
> discarded.
> Examples:
>
> int(0.7) == 0
> int(1.3) == 1
> int(-1.3) == -1
>
> Is this behaviour consistent between different platforms? Is the
> result of these operations defined by the standard, or should one use
> functions like ceil() and floor() (and check for negative values)
> instead?

Yes, the behaviour is standard, defined in the subclause 4.9.

V
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