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Re: [Coq-Club] Best bet for computing with floats


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  • From: Gaëtan Gilbert <gaetan.gilbert AT skyskimmer.net>
  • To: coq-club AT inria.fr
  • Subject: Re: [Coq-Club] Best bet for computing with floats
  • Date: Fri, 1 Dec 2017 00:28:14 +0100
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On 16/08/2017 15:33, Guillaume Melquiond wrote:
> On 15/08/2017 08:05, karsar wrote:
>> What would be a natural choice of float number library if you want to do
>> some
>> computations with floats inside Coq (like it's done for integers and nats,
>> I know it could be slow) , as well as reason about their properties?
>> It would be nice to provide a minimal example script showing how you
>> import the library
>> and example of the addition of two floats as a demonstration.
>
> Both the Flocq and Interval libraries contain computationally effective
> floating-point components. Which one to use and how to use it depend on
> your use case. Do you need the floating-point numbers to be compliant
> with the IEEE-754 standard? What kind of reasoning do you want to
> perform on them? How efficient do you want the computations to be?
>
> Best regards,
>
> Guillaume
>

To all: if this is a question which tends to come up regularly is there some way we could make the answer easier to find?

Gaëtan Gilbert

On 01/12/2017 00:23, Kevin Sullivan wrote:
What library or libraries should I consider as I need to represent concrete floating point numbers, do calculations with them, and prove properties about them using the current version of Coq?



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