How to detect overflow
Namal via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Tue Nov 3 23:52:34 PST 2015
On Wednesday, 4 November 2015 at 04:22:03 UTC, BBasile wrote:
> On Wednesday, 4 November 2015 at 03:55:13 UTC, Namal wrote:
>> Is there a way to detect overflow for example for:
>>
>> int i = 2_000_000_000;
>>
>> int a = i*i*i;
>>
>> writeln(a);
>>
>> -> 1073741824
>
> You can use core.checkedint [1]
>
> ---
>
> http://dlang.org/phobos/core_checkedint.html
It says:
"The overflow is sticky, meaning a sequence of operations can be
done and overflow need only be checked at the end."
But how can I make multiple operations? I can only put 2 values
in the function.
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