1 | function output = calldsdp(interfacedata) |
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2 | |
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3 | % Author Johan Löfberg |
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4 | % $Id: calldsdp.m,v 1.4 2005/05/07 13:53:20 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 | % Convert from SeDuMi format |
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21 | [C,A,b,blk] = sedumi2dsdp(F_struc,c,K); |
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22 | |
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23 | % Quadratic not yet implemented? |
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24 | options.dsdp.dual_quadratic=spalloc(length(c),length(c),0); |
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25 | |
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26 | options.dsdp.printyes = (options.verbose>0); |
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27 | solvertime = clock; |
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28 | if options.showprogress;showprogress(['Calling ' interfacedata.solver.tag],options.showprogress);end |
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29 | |
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30 | if options.savedebug |
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31 | save dsdpdebug A C b options.dsdp |
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32 | end |
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33 | |
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34 | if isempty(x0) |
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35 | if options.saveduals | options.savesolveroutput |
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36 | [STAT,y,X] = dsdp(A,C,b,options.dsdp); |
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37 | else |
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38 | [STAT,y] = dsdp(A,C,b,options.dsdp); |
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39 | end |
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40 | else |
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41 | if options.saveduals | options.savesolveroutput |
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42 | [STAT,y,X] = dsdp(A,C,b,options.dsdp,x0); |
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43 | else |
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44 | [STAT,y] = dsdp(A,C,b,options.dsdp,x0); |
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45 | end |
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46 | end |
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47 | solvertime = etime(clock,solvertime); |
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48 | |
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49 | % Create dual variable in internal format |
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50 | if options.saveduals |
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51 | D_struc = []; |
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52 | for i = 1:length(X) |
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53 | D_struc = [D_struc;X{i}(:)]; |
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54 | end |
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55 | else |
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56 | D_struc = []; |
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57 | end |
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58 | |
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59 | x = y; % Our notation do not coincide ... |
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60 | switch STAT.termcode |
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61 | case 0 |
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62 | if STAT.iterates>=options.dsdp.maxit |
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63 | problem = 3; |
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64 | else |
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65 | problem = 0; |
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66 | end |
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67 | % if STAT.gaphist (end) > options.dsdp.gaptol |
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68 | % problem = 5; |
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69 | % end |
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70 | case 1 |
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71 | problem = 2; |
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72 | case 2 |
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73 | problem = 1; |
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74 | case -3 |
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75 | problem = 3; |
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76 | otherwise |
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77 | problem = -1; |
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78 | end |
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79 | infostr = yalmiperror(problem,interfacedata.solver.tag); |
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80 | |
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81 | if options.savesolveroutput |
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82 | solveroutput.STAT = STAT; |
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83 | solveroutput.X = X; |
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84 | solveroutput.y = y; |
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85 | else |
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86 | solveroutput = []; |
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87 | end |
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88 | |
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89 | if options.savesolverinput |
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90 | solverinput.A = A; |
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91 | solverinput.C = C; |
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92 | solverinput.b = c; |
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93 | solverinput.pars = options.dsdp; |
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94 | else |
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95 | solverinput = []; |
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96 | end |
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97 | |
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98 | % Standard interface |
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99 | output.Primal = x; |
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100 | output.Dual = D_struc; |
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101 | output.Slack = []; |
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102 | output.problem = problem; |
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103 | output.infostr = infostr; |
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104 | output.solverinput = solverinput; |
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105 | output.solveroutput= solveroutput; |
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106 | output.solvertime = solvertime; |
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