[Dip] Memory Access Error

[Kipp Martin]

> 
> Then, use the access methods in there, e.g.:
>    const double * masterDualSol    = algo->getMasterDualSolution();
>    const double * masterPrimalSol = algo->getMasterPrimalSolution();
>    double masterObjValue = algo->getMasterObjValue();
> 

I spoke too soon saying thins worked. When I try the above it crashes:

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x006f8ef0 in DecompAlgo::getMasterObjValue (this=0x6039200) at 
/Users/kmartin/coin/dip-trunk/vpath-debug/include/coin/DecompAlgo.h:662
662           const double * objCoef = m_masterSI->getObjCoefficients();
(gdb) backtrace
#0  0x006f8ef0 in DecompAlgo::getMasterObjValue (this=0x6039200) at 
/Users/kmartin/coin/dip-trunk/vpath-debug/include/coin/DecompAlgo.h:662
#1  0x0000842f in OSDipApp::solveRelaxed (this=0xbfffeab4, whichBlock=0, 
redCostX=0x6050200, convexDual=9000000000000000, vars=@0xbfffe968) at 
OSDipApp.cpp:609
#2  0x0001c802 in DecompAlgo::solveRelaxed (this=0x6039200, 
redCostX=0x6050200, origCost=0x6013e00, alpha=9000000000000000, 
n_origCols=1640, isNested=false, algoModel=@0x59a5b04, 
solveResult=0xbfffe2b8, vars=@0xbfffe968) at 
../../../Dip/src/DecompAlgo.cpp:6181
#3  0x00029df7 in DecompAlgo::generateInitVars (this=0x6039200, 
initVars=@0xbfffe968) at ../../../Dip/src/DecompAlgo.cpp:2586
#4  0x000286a8 in DecompAlgo::initSetup (this=0x6039200, 
utilParam=0xbfffee1c, sectionParam=@0xbfffea28) at 
../../../Dip/src/DecompAlgo.cpp:280
#5  0x006effc5 in DecompAlgoPC::DecompAlgoPC (this=0x6039200, 
app=0xbfffeab4, utilParam=0xbfffee1c, doSetup=true) at 
/Users/kmartin/coin/dip-trunk/vpath-debug/include/coin/DecompAlgoPC.h:242
#6  0x00002cb0 in main (argc=1, argv=0xbfffef00) at OSDip_Main.cpp:80


Thanks



-- 
Kipp Martin
Professor of Operations Research
and Computing Technology
Booth School of Business
University of Chicago
5807 South Woodlawn Avenue
Chicago, IL 60637
773-702-7456
kmartin at chicagobooth.edu
http://www.chicagobooth.edu/faculty/bio.aspx?person_id=12825325568
http://projects.coin-or.org/OS