1 | function output = calllmirank(interfacedata) |
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2 | |
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3 | % Author Johan Löfberg |
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4 | % $Id: calllmirank.m,v 1.10 2005/06/06 16:42:13 joloef Exp $ |
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5 | |
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6 | % Retrieve needed data |
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7 | options = interfacedata.options; |
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8 | F_struc = interfacedata.F_struc; |
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9 | c = interfacedata.c; |
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10 | K = interfacedata.K; |
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11 | x0 = interfacedata.x0; |
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12 | ub = interfacedata.ub; |
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13 | lb = interfacedata.lb; |
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14 | |
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15 | % Bounded variables converted to constraints |
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16 | if ~isempty(ub) |
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17 | [F_struc,K] = addbounds(F_struc,K,ub,lb); |
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18 | end |
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19 | |
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20 | pars = options.lmirank; |
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21 | pars.fid = double(options.verbose); |
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22 | |
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23 | if ~options.usex0 |
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24 | interfacedata.options.verbose = max(0,interfacedata.options.verbose - 1); |
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25 | initialsolver = eval(['@' interfacedata.solver.initialsolver.call]); |
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26 | start = K.l; |
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27 | b = zeros(size(F_struc,2)-1,1); |
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28 | for j=1:length(K.s) |
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29 | if K.s(j)~=K.rank(j) |
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30 | ind = find(speye(K.s(j))); |
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31 | for i=1:size(F_struc,2)-1 |
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32 | b(i,1) = b(i,1) + sum(F_struc(start+ind,1+i)); |
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33 | end |
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34 | end |
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35 | start=start+K.s(j)^2; |
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36 | end |
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37 | interfacedata.c = b; |
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38 | interfacedata.solver = interfacedata.solver.initialsolver; |
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39 | output = feval(initialsolver,interfacedata); |
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40 | if output.problem ~= 1 |
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41 | options.usex0 = 1; |
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42 | x0 = output.Primal; |
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43 | else |
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44 | return; |
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45 | end |
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46 | end |
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47 | |
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48 | if options.savedebug |
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49 | At = -F_struc(:,2:end); |
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50 | C = F_struc(:,1); |
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51 | save lmirankdebug C At K pars x0 |
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52 | end |
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53 | |
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54 | if options.showprogress;showprogress(['Calling ' interfacedata.solver.tag],options.showprogress);end |
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55 | solvertime = clock; |
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56 | if options.usex0 |
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57 | [y,info] = lmirank(-F_struc(:,2:end),F_struc(:,1),K,pars,x0); |
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58 | else |
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59 | [y,info] = lmirank(-F_struc(:,2:end),F_struc(:,1),K,pars); |
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60 | end |
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61 | x = y; |
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62 | solvertime = etime(clock,solvertime); |
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63 | |
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64 | |
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65 | switch info.solved |
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66 | case 1 |
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67 | problem = 0; |
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68 | otherwise |
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69 | problem = 11; |
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70 | end |
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71 | |
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72 | % Duals not computed |
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73 | D_struc = []; |
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74 | |
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75 | % Save ALL data sent to solver |
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76 | if options.savesolverinput |
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77 | solverinput.At = -F_struc(:,2:end); |
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78 | solverinput.c = F_struc(:,1); |
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79 | solverinput.K = K; |
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80 | solverinput.pars = pars; |
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81 | solverinput.x0 = x0; |
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82 | else |
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83 | solverinput = []; |
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84 | end |
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85 | |
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86 | % Save ALL data from the solution? |
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87 | if options.savesolveroutput |
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88 | solveroutput.y = y; |
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89 | solveroutput.info = info; |
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90 | else |
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91 | solveroutput = []; |
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92 | end |
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93 | |
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94 | % Standard interface |
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95 | output.Primal = x; |
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96 | output.Dual = []; |
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97 | output.Slack = []; |
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98 | output.problem = problem; |
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99 | output.solverinput = solverinput; |
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100 | output.solveroutput= solveroutput; |
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101 | output.solvertime = solvertime; |
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