[Cbc] branchAndBound with a hot-start solution

[Kibaek Kim]

Dear John,

The issue has been fixed. Thanks for your help!

Kibaek

On Nov 24, 2014, at 8:49 PM, Kibaek Kim <kibaek.k at gmail.com> wrote:

> I did not configured CXX environment variable, so the codes were compiled using clang. Now, setting CXX=g++, I can successfully compile and link the codes. So the linking issue is only for clang.
> 
> Kibaek
> 
> On Nov 24, 2014, at 12:35 PM, Kibaek Kim <kibaek.k at gmail.com> wrote:
> 
>> Dear John,
>> 
>> Thanks very much for your prompt response. But, now I am getting linking errors. I am compiling the codes on Mac OS X 10.9.5 (2.8 GHz Intel Core i7) using gcc4.8. I have attached config.log and make.log.
>> 
>> Best,
>> Kibaek
>> 
>> <config.log>
>> <make.log>
>> 
>> 
>> On Nov 24, 2014, at 12:05 PM, John Forrest <john.forrest at fastercoin.com> wrote:
>> 
>>> Kibaek,
>>> 
>>> 
>>> Can get assertion fail - fixed in stable.  Got same assertion with (0,0,5) - not a loop - see if fixed for you.
>>> 
>>> John Forrest
>>> On 24/11/14 13:57, Kibaek Kim wrote:
>>>> Dear John,
>>>> 
>>>> I am experiencing strange behaviors resulting from branch-and-bound hot-start. I am using the version of Stable 2.8. I have attached a simple code, mps file and hot-start solution file to reproduce results. The code will read mps file and hot-start solution file and try solving the problem. However, the following three settings result in different behaviors:
>>>> 1. CbcStrategyDefault strategy(0); // assertion fail
>>>> 2. CbcStrategyDefault strategy(0, 5, 5); // infinite loop
>>>> 3. CbcStrategyDefault strategy(1); // success
>>>> 
>>>> Best,
>>>> Kibaek
>>>> 
>>>> 
>>>> 
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>>> 
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> 

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