Loss of precision errors in FP conversions

[Sean Kelly]

On Apr 19, 2011, at 11:04 PM, Walter Bright wrote:

> On 4/19/2011 7:11 PM, Brad Roberts wrote:
>> The stronger argument, that I agree with, is not having flag based
>> sometimes warnings.  The more flags you have, the more complex the matrix
>> of landmines there are.  I hate micro-managment, in all it's forms.
> 
> True, if you have N compiler switches, you have 2^N different compilers to test! Every switch added doubles the time it takes to validate the compiler.

Software testing theory has suggestions for how to reduce the number of test cases here with only a small sacrifice in general error detection.  Still, the fewer switches the better :-)