Always false float comparisons
deadalnix via Digitalmars-d
digitalmars-d at puremagic.com
Sun May 15 05:11:58 PDT 2016
On Friday, 13 May 2016 at 03:18:05 UTC, Jack Stouffer wrote:
> On Friday, 13 May 2016 at 01:03:57 UTC, Walter Bright wrote:
>> I've actually been thinking of writing a 128 bit float
>> emulator, and then using that in the compiler internals to do
>> all FP computation with.
>>
>> It's not a panacea, as it won't change how things work in the
>> back ends, nor will it change what happens at runtime, but it
>> means the front end will give portable, consistent results.
>
> And be 20x slower than hardware floats. Is it really worth it?
Yes. What is the proportion of CTFE floating point operation
right know in the total compile time ? I'd be highly supersized
if it was anything close to 1% .
More information about the Digitalmars-d
mailing list