Re: [boost] [integer][math]Heads up on revised gcd/lcm code

Subject: Re: [boost] [integer][math]Heads up on revised gcd/lcm code
From: John Maddock (jz.maddock_at_[hidden])
Date: 2017-04-25 07:22:29

On 24/04/2017 20:03, Edward Diener via Boost wrote:
> On 4/24/2017 1:37 PM, John Maddock via Boost wrote:
>> First some history....
>>
>> Some time ago, the old gcd/lcm code was moved from Boost.Math to 
>> Boost.Integer as a means of reducing inter-library dependencies. 
>> Unfortunately a number of tasks were never completed: the docs 
>> weren't added to Boost.Integer, and the Boost.Math code never got 
>> updated to redirect to the moved headers.  Fast forward a couple of 
>> years and when Jeremy Murphy contributed a new version of the gcd/lcm 
>> code as part of supporting polynomial gcd, and since I'd completely 
>> forgotten about the move, this got integrated into Boost.Math leaving 
>> us with two divergent versions.
>>
>> As part of sorting this mess out, I've now pushed to Boost.Integer a 
>> "best of both" version of this code, so far as I can tell, all 
>> dependent libraries are unaffected by the change, though I do need to 
>> do some more work on supporting obsolete compilers I no longer have 
>> access to.
>
> To which obsolete compilers are you referring ?

Primarily VC7.1, 8, 9.  Also Sun+STLPort (which I do have access to, but 
I haven't fired up that virtual machine yet).

All have tentative fixes in place which I think will fix things, but I'm 
waiting on the tests to cycle.

John.

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