>> However, the majority of input data in most formats are deltas, and
>> here you would have to check after every addition, subtraction, or
>> multiplication whether you get something `unreasonable'.
>
> BTW are you aware of gcc's and clang's built-in functions that perform
> arithmetic with overflow checking? Maybe they could help.
> https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html
Thanks, I know these functions. They would help if I wanted to do
something in case of overflow. However, I want to do *nothing*, so I
simply use casts.
Werner
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