| 1 | /* |
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| 2 | |
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| 3 | PHYML : a program that computes maximum likelihood phylogenies from |
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| 4 | DNA or AA homologous sequences |
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| 5 | |
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| 6 | Copyright (C) Stephane Guindon. Oct 2003 onward |
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| 7 | |
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| 8 | All parts of the source except where indicated are distributed under |
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| 9 | the GNU public licence. See http://www.opensource.org for details. |
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| 10 | |
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| 11 | */ |
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| 12 | |
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| 13 | #include "simu.h" |
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| 14 | |
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| 15 | |
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| 16 | ////////////////////////////////////////////////////////////// |
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| 17 | ////////////////////////////////////////////////////////////// |
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| 18 | |
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| 19 | void Simu_Loop(t_tree *mixt_tree) |
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| 20 | { |
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| 21 | phydbl lk_old; |
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| 22 | int *orig_catg; |
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| 23 | int n; |
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| 24 | t_tree *tree,**tree_list; |
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| 25 | |
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| 26 | |
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| 27 | if((mixt_tree->mod->s_opt->print) && |
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| 28 | (!mixt_tree->io->quiet)) PhyML_Printf("\n\n. Refining the tree...\n"); |
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| 29 | |
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| 30 | /*! Get the number of classes in each mixture */ |
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| 31 | orig_catg = MIXT_Get_Number_Of_Classes_In_All_Mixtures(mixt_tree); |
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| 32 | |
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| 33 | |
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| 34 | /*! Set the number of rate classes to (at most) 2. |
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| 35 | ! Propagate this to every mixture tree in the analysis |
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| 36 | */ |
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| 37 | tree = mixt_tree; |
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| 38 | n = 0; |
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| 39 | do |
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| 40 | { |
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| 41 | tree->mod->ras->n_catg = MIN(2,orig_catg[n]); |
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| 42 | if(tree->mod->ras->invar == YES) tree->mod->ras->n_catg--; |
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| 43 | tree = tree->next_mixt; |
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| 44 | n++; |
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| 45 | } |
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| 46 | while(tree); |
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| 47 | |
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| 48 | /*! Make sure the number of trees in each mixture is at most 2 |
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| 49 | */ |
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| 50 | tree_list = MIXT_Record_All_Mixtures(mixt_tree); |
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| 51 | MIXT_Break_All_Mixtures(orig_catg,mixt_tree); |
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| 52 | |
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| 53 | |
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| 54 | Set_Both_Sides(YES,mixt_tree); |
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| 55 | Lk(NULL,mixt_tree); |
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| 56 | |
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| 57 | |
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| 58 | mixt_tree->best_pars = 1E+8; |
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| 59 | mixt_tree->mod->s_opt->spr_pars = NO; |
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| 60 | mixt_tree->mod->s_opt->quickdirty = NO; |
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| 61 | mixt_tree->best_lnL = mixt_tree->c_lnL; |
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| 62 | mixt_tree->mod->s_opt->max_delta_lnL_spr = 0.; |
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| 63 | mixt_tree->mod->s_opt->br_len_in_spr = 1; |
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| 64 | mixt_tree->mod->s_opt->max_depth_path = 2*mixt_tree->n_otu-3; |
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| 65 | mixt_tree->mod->s_opt->spr_lnL = NO; |
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| 66 | |
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| 67 | |
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| 68 | /*! Optimize branch lengths and substitution model parameters |
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| 69 | */ |
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| 70 | Optimiz_All_Free_Param(mixt_tree,(mixt_tree->io->quiet)?(0):(mixt_tree->mod->s_opt->print)); |
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| 71 | |
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| 72 | |
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| 73 | /*! Rough SPR search |
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| 74 | */ |
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| 75 | do |
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| 76 | { |
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| 77 | lk_old = mixt_tree->c_lnL; |
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| 78 | Speed_Spr(mixt_tree,1); |
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| 79 | if((mixt_tree->n_improvements < 20) || |
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| 80 | (mixt_tree->max_spr_depth < 5) || |
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| 81 | (FABS(lk_old-mixt_tree->c_lnL) < 1.)) break; |
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| 82 | } |
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| 83 | while(1); |
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| 84 | |
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| 85 | |
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| 86 | Set_Both_Sides(YES,mixt_tree); |
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| 87 | Lk(NULL,mixt_tree); |
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| 88 | |
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| 89 | /*! Go back to the original data structure, with potentially more |
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| 90 | ! than 2 trees per mixture |
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| 91 | */ |
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| 92 | MIXT_Reconnect_All_Mixtures(tree_list,mixt_tree); |
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| 93 | Free(tree_list); |
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| 94 | |
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| 95 | /*! Set the number of rate classes to their original values |
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| 96 | */ |
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| 97 | tree = mixt_tree; |
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| 98 | n = 0; |
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| 99 | do |
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| 100 | { |
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| 101 | tree->mod->ras->n_catg = orig_catg[n]; |
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| 102 | if(tree->mod->ras->invar == YES) tree->mod->ras->n_catg--; |
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| 103 | tree = tree->next_mixt; |
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| 104 | n++; |
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| 105 | } |
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| 106 | while(tree); |
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| 107 | |
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| 108 | Free(orig_catg); |
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| 109 | |
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| 110 | |
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| 111 | |
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| 112 | /*! Only the first two trees for each mixture have been modified so |
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| 113 | ! far -> need to update the other trees by copying the modified trees |
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| 114 | ! onto them. |
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| 115 | */ |
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| 116 | tree = mixt_tree; |
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| 117 | do |
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| 118 | { |
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| 119 | if(tree != mixt_tree) Copy_Tree(mixt_tree,tree); |
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| 120 | tree = tree->next; |
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| 121 | } |
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| 122 | while(tree); |
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| 123 | |
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| 124 | if((mixt_tree->mod->s_opt->print) && (!mixt_tree->io->quiet)) |
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| 125 | { |
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| 126 | PhyML_Printf("\n\n. End of refining stage...\n. The log-likelihood might now decrease and then increase again...\n"); |
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| 127 | PhyML_Printf("\n\n. Maximizing likelihood (using NNI moves)...\n"); |
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| 128 | } |
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| 129 | |
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| 130 | |
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| 131 | Set_Both_Sides(YES,mixt_tree); |
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| 132 | Lk(NULL,mixt_tree); |
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| 133 | mixt_tree->best_lnL = mixt_tree->c_lnL; |
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| 134 | |
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| 135 | int n_tot_moves = 0; |
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| 136 | do |
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| 137 | { |
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| 138 | lk_old = mixt_tree->c_lnL; |
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| 139 | Optimiz_All_Free_Param(mixt_tree,(mixt_tree->io->quiet)?(0):(mixt_tree->mod->s_opt->print)); |
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| 140 | n_tot_moves = Simu(mixt_tree,10); |
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| 141 | if(!n_tot_moves) break; |
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| 142 | } |
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| 143 | while(mixt_tree->c_lnL > lk_old + mixt_tree->mod->s_opt->min_diff_lk_local); |
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| 144 | |
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| 145 | do |
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| 146 | { |
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| 147 | Round_Optimize(mixt_tree,mixt_tree->data,ROUND_MAX); |
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| 148 | if(!Check_NNI_Five_Branches(mixt_tree)) break; |
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| 149 | }while(1); |
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| 150 | /*****************************/ |
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| 151 | |
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| 152 | if((mixt_tree->mod->s_opt->print) && |
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| 153 | (!mixt_tree->io->quiet)) PhyML_Printf("\n"); |
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| 154 | } |
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| 155 | |
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| 156 | ////////////////////////////////////////////////////////////// |
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| 157 | ////////////////////////////////////////////////////////////// |
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| 158 | |
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| 159 | int Simu(t_tree *tree, int n_step_max) |
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| 160 | { |
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| 161 | phydbl old_loglk,n_iter,lambda; |
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| 162 | int i,n_neg,n_tested,n_without_swap,n_tot_swap,step,it_lim_without_swap; |
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| 163 | t_edge **sorted_b,**tested_b; |
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| 164 | |
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| 165 | sorted_b = (t_edge **)mCalloc(tree->n_otu-3,sizeof(t_edge *)); |
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| 166 | tested_b = (t_edge **)mCalloc(tree->n_otu-3,sizeof(t_edge *)); |
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| 167 | |
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| 168 | old_loglk = UNLIKELY; |
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| 169 | tree->c_lnL = UNLIKELY; |
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| 170 | n_iter = 1.0; |
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| 171 | /* it_lim_without_swap = (tree->mod->ras->invar)?(5):(2); */ |
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| 172 | it_lim_without_swap = (tree->mod->ras->invar)?(1):(1); |
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| 173 | n_tested = 0; |
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| 174 | n_without_swap = 0; |
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| 175 | step = 0; |
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| 176 | lambda = .75; |
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| 177 | n_tot_swap = 0; |
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| 178 | |
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| 179 | Update_Dirs(tree); |
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| 180 | |
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| 181 | if(tree->lock_topo) |
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| 182 | { |
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| 183 | PhyML_Printf("\n. The tree topology is locked."); |
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| 184 | PhyML_Printf("\n. Err in file %s at line %d\n",__FILE__,__LINE__); |
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| 185 | Warn_And_Exit(""); |
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| 186 | } |
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| 187 | |
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| 188 | do |
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| 189 | { |
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| 190 | ++step; |
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| 191 | |
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| 192 | if(n_tested || step == 1) MIXT_Set_Alias_Subpatt(YES,tree); |
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| 193 | old_loglk = tree->c_lnL; |
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| 194 | Set_Both_Sides(YES,tree); |
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| 195 | Lk(NULL,tree); |
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| 196 | MIXT_Set_Alias_Subpatt(NO,tree); |
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| 197 | |
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| 198 | if(tree->c_lnL < old_loglk) |
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| 199 | { |
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| 200 | if((tree->mod->s_opt->print) && (!tree->io->quiet)) PhyML_Printf("\n\n. Moving backward\n"); |
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| 201 | if(!Mov_Backward_Topo_Bl(tree,old_loglk,tested_b,n_tested)) |
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| 202 | Exit("\n== Err. mov_back failed\n"); |
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| 203 | if(!tree->n_swap) n_neg = 0; |
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| 204 | |
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| 205 | /* For(i,2*tree->n_otu-3) tree->a_edges[i]->l_old->v = tree->a_edges[i]->l->v; */ |
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| 206 | Record_Br_Len(tree); |
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| 207 | Set_Both_Sides(YES,tree); |
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| 208 | Lk(NULL,tree); |
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| 209 | } |
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| 210 | |
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| 211 | if(step > n_step_max) break; |
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| 212 | |
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| 213 | if(tree->io->print_trace) |
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| 214 | { |
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| 215 | char *s = Write_Tree(tree,NO); |
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| 216 | PhyML_Fprintf(tree->io->fp_out_trace,"[%f]%s\n",tree->c_lnL,s); fflush(tree->io->fp_out_trace); |
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| 217 | if(tree->io->print_site_lnl) { Print_Site_Lk(tree,tree->io->fp_out_lk); } fflush(tree->io->fp_out_lk); |
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| 218 | Free(s); |
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| 219 | } |
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| 220 | |
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| 221 | if((tree->mod->s_opt->print) && (!tree->io->quiet)) Print_Lk(tree,"[Topology ]"); |
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| 222 | |
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| 223 | |
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| 224 | /* if(((tree->c_lnL > old_loglk) && (FABS(old_loglk-tree->c_lnL) < tree->mod->s_opt->min_diff_lk_local)) || (n_without_swap > it_lim_without_swap)) break; */ |
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| 225 | if((FABS(old_loglk-tree->c_lnL) < tree->mod->s_opt->min_diff_lk_global) || (n_without_swap > it_lim_without_swap)) break; |
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| 226 | |
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| 227 | Fill_Dir_Table(tree); |
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| 228 | Fix_All(tree); |
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| 229 | n_neg = 0; |
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| 230 | For(i,2*tree->n_otu-3) |
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| 231 | if((!tree->a_edges[i]->left->tax) && |
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| 232 | (!tree->a_edges[i]->rght->tax)) |
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| 233 | NNI(tree,tree->a_edges[i],0); |
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| 234 | |
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| 235 | |
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| 236 | |
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| 237 | Select_Edges_To_Swap(tree,sorted_b,&n_neg); |
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| 238 | Sort_Edges_NNI_Score(tree,sorted_b,n_neg); |
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| 239 | Optimiz_Ext_Br(tree); |
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| 240 | Update_Bl(tree,lambda); |
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| 241 | |
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| 242 | n_tested = 0; |
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| 243 | For(i,(int)CEIL((phydbl)n_neg*(lambda))) |
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| 244 | tested_b[n_tested++] = sorted_b[i]; |
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| 245 | |
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| 246 | |
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| 247 | Make_N_Swap(tree,tested_b,0,n_tested); |
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| 248 | |
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| 249 | if((tree->mod->s_opt->print) && (!tree->io->quiet)) PhyML_Printf("[# nnis=%3d]",n_tested); |
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| 250 | |
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| 251 | n_tot_swap += n_tested; |
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| 252 | |
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| 253 | if(n_tested > 0) n_without_swap = 0; |
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| 254 | else n_without_swap++; |
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| 255 | |
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| 256 | n_iter+=1.0; |
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| 257 | } |
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| 258 | while(1); |
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| 259 | |
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| 260 | /* Round_Optimize(tree,tree->data); */ |
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| 261 | |
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| 262 | Free(sorted_b); |
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| 263 | Free(tested_b); |
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| 264 | |
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| 265 | return n_tot_swap; |
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| 266 | } |
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| 267 | |
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| 268 | ////////////////////////////////////////////////////////////// |
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| 269 | ////////////////////////////////////////////////////////////// |
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| 270 | |
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| 271 | |
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| 272 | void Simu_Pars(t_tree *tree, int n_step_max) |
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| 273 | { |
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| 274 | phydbl old_pars,n_iter,lambda; |
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| 275 | int i,n_neg,n_tested,n_without_swap,n_tot_swap,step; |
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| 276 | t_edge **sorted_b,**tested_b; |
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| 277 | int each; |
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| 278 | |
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| 279 | sorted_b = (t_edge **)mCalloc(tree->n_otu-3,sizeof(t_edge *)); |
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| 280 | tested_b = (t_edge **)mCalloc(tree->n_otu-3,sizeof(t_edge *)); |
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| 281 | |
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| 282 | old_pars = 0; |
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| 283 | tree->c_pars = 0; |
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| 284 | n_iter = 1.0; |
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| 285 | n_tested = 0; |
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| 286 | n_without_swap = 0; |
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| 287 | step = 0; |
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| 288 | each = 4; |
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| 289 | lambda = .75; |
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| 290 | n_tot_swap = 0; |
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| 291 | |
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| 292 | Update_Dirs(tree); |
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| 293 | |
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| 294 | if((tree->mod->s_opt->print) && (!tree->io->quiet)) PhyML_Printf("\n\n. Starting simultaneous NNI moves (parsimony criterion)...\n"); |
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| 295 | |
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| 296 | do |
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| 297 | { |
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| 298 | ++step; |
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| 299 | |
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| 300 | if(step > n_step_max) break; |
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| 301 | |
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| 302 | each--; |
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| 303 | |
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| 304 | Set_Both_Sides(YES,tree); |
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| 305 | Pars(NULL,tree); |
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| 306 | |
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| 307 | if((tree->mod->s_opt->print) && (!tree->io->quiet)) |
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| 308 | { |
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| 309 | Print_Pars(tree); |
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| 310 | if(step > 1) (n_tested > 1)?(printf("[%4d NNIs]",n_tested)):(printf("[%4d NNI ]",n_tested)); |
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| 311 | } |
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| 312 | |
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| 313 | |
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| 314 | if(FABS(old_pars - tree->c_pars) < SMALL) break; |
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| 315 | |
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| 316 | if((tree->c_pars > old_pars) && (step > 1)) |
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| 317 | { |
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| 318 | if((tree->mod->s_opt->print) && (!tree->io->quiet)) |
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| 319 | PhyML_Printf("\n\n. Moving backward (topoLlogy) \n"); |
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| 320 | if(!Mov_Backward_Topo_Pars(tree,old_pars,tested_b,n_tested)) |
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| 321 | Exit("\n. Err: mov_back failed\n"); |
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| 322 | if(!tree->n_swap) n_neg = 0; |
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| 323 | |
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| 324 | |
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| 325 | Set_Both_Sides(YES,tree); |
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| 326 | Pars(NULL,tree); |
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| 327 | } |
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| 328 | else |
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| 329 | { |
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| 330 | |
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| 331 | old_pars = tree->c_pars; |
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| 332 | Fill_Dir_Table(tree); |
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| 333 | |
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| 334 | n_neg = 0; |
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| 335 | For(i,2*tree->n_otu-3) |
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| 336 | if((!tree->a_edges[i]->left->tax) && |
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| 337 | (!tree->a_edges[i]->rght->tax)) |
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| 338 | NNI_Pars(tree,tree->a_edges[i],NO); |
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| 339 | |
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| 340 | Select_Edges_To_Swap(tree,sorted_b,&n_neg); |
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| 341 | Sort_Edges_NNI_Score(tree,sorted_b,n_neg); |
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| 342 | |
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| 343 | n_tested = 0; |
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| 344 | For(i,(int)CEIL((phydbl)n_neg*(lambda))) |
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| 345 | tested_b[n_tested++] = sorted_b[i]; |
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| 346 | |
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| 347 | Make_N_Swap(tree,tested_b,0,n_tested); |
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| 348 | |
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| 349 | n_tot_swap += n_tested; |
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| 350 | |
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| 351 | if(n_tested > 0) n_without_swap = 0; |
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| 352 | else n_without_swap++; |
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| 353 | } |
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| 354 | n_iter+=1.0; |
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| 355 | } |
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| 356 | while(1); |
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| 357 | |
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| 358 | Free(sorted_b); |
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| 359 | Free(tested_b); |
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| 360 | } |
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| 361 | |
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| 362 | ////////////////////////////////////////////////////////////// |
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| 363 | ////////////////////////////////////////////////////////////// |
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| 364 | |
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| 365 | |
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| 366 | void Select_Edges_To_Swap(t_tree *tree, t_edge **sorted_b, int *n_neg) |
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| 367 | { |
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| 368 | int i; |
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| 369 | t_edge *b; |
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| 370 | phydbl best_score; |
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| 371 | |
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| 372 | *n_neg = 0; |
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| 373 | |
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| 374 | For(i,2*tree->n_otu-3) |
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| 375 | { |
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| 376 | b = tree->a_edges[i]; |
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| 377 | best_score = b->nni->score; |
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| 378 | |
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| 379 | if((!b->left->tax) && (!b->rght->tax) && (b->nni->score < -tree->mod->s_opt->min_diff_lk_move)) |
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| 380 | { |
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| 381 | Check_NNI_Scores_Around(b->left,b->rght,b,&best_score,tree); |
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| 382 | Check_NNI_Scores_Around(b->rght,b->left,b,&best_score,tree); |
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| 383 | if(best_score < b->nni->score) continue; |
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| 384 | sorted_b[*n_neg] = b; |
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| 385 | (*n_neg)++; |
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| 386 | } |
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| 387 | } |
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| 388 | } |
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| 389 | |
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| 390 | ////////////////////////////////////////////////////////////// |
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| 391 | ////////////////////////////////////////////////////////////// |
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| 392 | |
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| 393 | |
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| 394 | void Update_Bl(t_tree *tree, phydbl fact) |
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| 395 | { |
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| 396 | int i; |
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| 397 | t_edge *b,*orig; |
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| 398 | |
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| 399 | For(i,2*tree->n_otu-3) |
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| 400 | { |
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| 401 | b = tree->a_edges[i]; |
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| 402 | /* b->l->v = b->l_old->v + (b->nni->l0 - b->l_old->v)*fact; */ |
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| 403 | |
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| 404 | orig = b; |
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| 405 | do |
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| 406 | { |
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| 407 | b->l->v = b->l_old->v + (b->nni->l0 - b->l_old->v)*fact; |
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| 408 | if(b->next) b = b->next; |
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| 409 | else b = b->next; |
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| 410 | } |
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| 411 | while(b); |
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| 412 | b = orig; |
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| 413 | |
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| 414 | } |
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| 415 | } |
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| 416 | |
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| 417 | ////////////////////////////////////////////////////////////// |
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| 418 | ////////////////////////////////////////////////////////////// |
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| 419 | |
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| 420 | |
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| 421 | void Make_N_Swap(t_tree *tree,t_edge **b, int beg, int end) |
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| 422 | { |
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| 423 | int i; |
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| 424 | int dim; |
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| 425 | t_edge *orig; |
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| 426 | |
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| 427 | dim = 2*tree->n_otu-2; |
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| 428 | |
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| 429 | /* PhyML_Printf("\n. Beg Actually performing swaps\n"); */ |
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| 430 | tree->n_swap = 0; |
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| 431 | for(i=beg;i<end;i++) |
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| 432 | { |
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| 433 | /* we use t_dir here to take into account previous modifications of the topology */ |
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| 434 | /* printf("\n. Swap on edge %d [%d %d %d %d]",b[i]->num, */ |
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| 435 | /* b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]]->num, */ |
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| 436 | /* b[i]->nni->swap_node_v2->num, */ |
|---|
| 437 | /* b[i]->nni->swap_node_v3->num, */ |
|---|
| 438 | /* b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]]->num); */ |
|---|
| 439 | |
|---|
| 440 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 441 | b[i]->nni->swap_node_v2, |
|---|
| 442 | b[i]->nni->swap_node_v3, |
|---|
| 443 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 444 | tree); |
|---|
| 445 | |
|---|
| 446 | if(!Check_Topo_Constraints(tree,tree->io->cstr_tree)) |
|---|
| 447 | { |
|---|
| 448 | /* Undo this swap as it violates one of the topological constraints |
|---|
| 449 | defined in the input constraint tree |
|---|
| 450 | */ |
|---|
| 451 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 452 | b[i]->nni->swap_node_v2, |
|---|
| 453 | b[i]->nni->swap_node_v3, |
|---|
| 454 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 455 | tree); |
|---|
| 456 | } |
|---|
| 457 | |
|---|
| 458 | if(tree->n_root) |
|---|
| 459 | { |
|---|
| 460 | tree->n_root->v[2] = tree->e_root->left; |
|---|
| 461 | tree->n_root->v[1] = tree->e_root->rght; |
|---|
| 462 | } |
|---|
| 463 | |
|---|
| 464 | orig = b[i]; |
|---|
| 465 | do |
|---|
| 466 | { |
|---|
| 467 | b[i]->l->v = b[i]->nni->best_l; |
|---|
| 468 | if(b[i]->next) b[i] = b[i]->next; |
|---|
| 469 | else b[i] = b[i]->next; |
|---|
| 470 | } |
|---|
| 471 | while(b[i]); |
|---|
| 472 | b[i] = orig; |
|---|
| 473 | |
|---|
| 474 | tree->n_swap++; |
|---|
| 475 | } |
|---|
| 476 | |
|---|
| 477 | |
|---|
| 478 | /* PhyML_Printf("\n. End Actually performing swaps\n"); */ |
|---|
| 479 | |
|---|
| 480 | } |
|---|
| 481 | |
|---|
| 482 | ////////////////////////////////////////////////////////////// |
|---|
| 483 | ////////////////////////////////////////////////////////////// |
|---|
| 484 | |
|---|
| 485 | |
|---|
| 486 | int Make_Best_Swap(t_tree *tree) |
|---|
| 487 | { |
|---|
| 488 | int i,j,return_value; |
|---|
| 489 | t_edge *b,**sorted_b; |
|---|
| 490 | int dim; |
|---|
| 491 | t_edge *orig; |
|---|
| 492 | |
|---|
| 493 | dim = 2*tree->n_otu-2; |
|---|
| 494 | |
|---|
| 495 | sorted_b = (t_edge **)mCalloc(tree->n_otu-3,sizeof(t_edge *)); |
|---|
| 496 | |
|---|
| 497 | j=0; |
|---|
| 498 | For(i,2*tree->n_otu-3) if((!tree->a_edges[i]->left->tax) && |
|---|
| 499 | (!tree->a_edges[i]->rght->tax)) |
|---|
| 500 | sorted_b[j++] = tree->a_edges[i]; |
|---|
| 501 | |
|---|
| 502 | Sort_Edges_NNI_Score(tree,sorted_b,tree->n_otu-3); |
|---|
| 503 | |
|---|
| 504 | if(sorted_b[0]->nni->score < -0.0) |
|---|
| 505 | { |
|---|
| 506 | b = sorted_b[0]; |
|---|
| 507 | return_value = 1; |
|---|
| 508 | |
|---|
| 509 | Swap(b->nni->swap_node_v2->v[tree->t_dir[b->nni->swap_node_v2->num*dim+b->nni->swap_node_v1->num]], |
|---|
| 510 | b->nni->swap_node_v2, |
|---|
| 511 | b->nni->swap_node_v3, |
|---|
| 512 | b->nni->swap_node_v3->v[tree->t_dir[b->nni->swap_node_v3->num*dim+b->nni->swap_node_v4->num]], |
|---|
| 513 | tree); |
|---|
| 514 | |
|---|
| 515 | if(!Check_Topo_Constraints(tree,tree->io->cstr_tree)) |
|---|
| 516 | { |
|---|
| 517 | /* Undo this swap as it violates one of the topological constraints |
|---|
| 518 | defined in the input constraint tree |
|---|
| 519 | */ |
|---|
| 520 | Swap(b->nni->swap_node_v2->v[tree->t_dir[b->nni->swap_node_v2->num*dim+b->nni->swap_node_v1->num]], |
|---|
| 521 | b->nni->swap_node_v2, |
|---|
| 522 | b->nni->swap_node_v3, |
|---|
| 523 | b->nni->swap_node_v3->v[tree->t_dir[b->nni->swap_node_v3->num*dim+b->nni->swap_node_v4->num]], |
|---|
| 524 | tree); |
|---|
| 525 | } |
|---|
| 526 | |
|---|
| 527 | /* b->l->v = b->nni->best_l; */ |
|---|
| 528 | |
|---|
| 529 | orig = b; |
|---|
| 530 | do |
|---|
| 531 | { |
|---|
| 532 | b->l->v = b->nni->best_l; |
|---|
| 533 | if(b->next) b = b->next; |
|---|
| 534 | else b = b->next; |
|---|
| 535 | } |
|---|
| 536 | while(b); |
|---|
| 537 | b = orig; |
|---|
| 538 | |
|---|
| 539 | |
|---|
| 540 | /* (b->nni->best_conf == 1)? */ |
|---|
| 541 | /* (Swap(b->left->v[b->l_v2],b->left,b->rght,b->rght->v[b->r_v1],tree)): */ |
|---|
| 542 | /* (Swap(b->left->v[b->l_v2],b->left,b->rght,b->rght->v[b->r_v2],tree)); */ |
|---|
| 543 | |
|---|
| 544 | /* b->l->v = */ |
|---|
| 545 | /* (b->nni->best_conf == 1)? */ |
|---|
| 546 | /* (b->nni->l1): */ |
|---|
| 547 | /* (b->nni->l2); */ |
|---|
| 548 | |
|---|
| 549 | |
|---|
| 550 | } |
|---|
| 551 | else return_value = 0; |
|---|
| 552 | |
|---|
| 553 | Free(sorted_b); |
|---|
| 554 | |
|---|
| 555 | return return_value; |
|---|
| 556 | } |
|---|
| 557 | |
|---|
| 558 | ////////////////////////////////////////////////////////////// |
|---|
| 559 | ////////////////////////////////////////////////////////////// |
|---|
| 560 | |
|---|
| 561 | |
|---|
| 562 | int Mov_Backward_Topo_Bl(t_tree *tree, phydbl lk_old, t_edge **tested_b, int n_tested) |
|---|
| 563 | { |
|---|
| 564 | phydbl **l_init; |
|---|
| 565 | int i,j,step,beg,end; |
|---|
| 566 | t_edge *b,*orig; |
|---|
| 567 | |
|---|
| 568 | l_init = (phydbl **)mCalloc(2*tree->n_otu-3,sizeof(phydbl *)); |
|---|
| 569 | |
|---|
| 570 | For(i,2*tree->n_otu-3) l_init[i] = MIXT_Get_Lengths_Of_This_Edge(tree->a_edges[i],tree); |
|---|
| 571 | |
|---|
| 572 | step = 2; |
|---|
| 573 | do |
|---|
| 574 | { |
|---|
| 575 | For(i,2*tree->n_otu-3) |
|---|
| 576 | { |
|---|
| 577 | b = tree->a_edges[i]; |
|---|
| 578 | |
|---|
| 579 | /* b->l->v = b->l_old->v + (1./step) * (l_init[i] - b->l_old->v); */ |
|---|
| 580 | |
|---|
| 581 | j = 0; |
|---|
| 582 | orig = b; |
|---|
| 583 | do |
|---|
| 584 | { |
|---|
| 585 | b->l->v = b->l_old->v + (1./step) * (l_init[i][j] - b->l_old->v); |
|---|
| 586 | if(b->next) b = b->next; |
|---|
| 587 | else b = b->next; |
|---|
| 588 | j++; |
|---|
| 589 | } |
|---|
| 590 | while(b); |
|---|
| 591 | b = orig; |
|---|
| 592 | } |
|---|
| 593 | |
|---|
| 594 | beg = (int)FLOOR((phydbl)n_tested/(step-1)); |
|---|
| 595 | end = 0; |
|---|
| 596 | Unswap_N_Branch(tree,tested_b,beg,end); |
|---|
| 597 | beg = 0; |
|---|
| 598 | end = (int)FLOOR((phydbl)n_tested/step); |
|---|
| 599 | Swap_N_Branch(tree,tested_b,beg,end); |
|---|
| 600 | |
|---|
| 601 | if(!end) tree->n_swap = 0; |
|---|
| 602 | |
|---|
| 603 | Set_Both_Sides(NO,tree); |
|---|
| 604 | Lk(NULL,tree); |
|---|
| 605 | |
|---|
| 606 | step++; |
|---|
| 607 | |
|---|
| 608 | }while((tree->c_lnL < lk_old) && (step < 1000)); |
|---|
| 609 | |
|---|
| 610 | |
|---|
| 611 | if(step == 1000) |
|---|
| 612 | { |
|---|
| 613 | if(tree->n_swap) Exit("\n== Err. in Mov_Backward_Topo_Bl (n_swap > 0)\n"); |
|---|
| 614 | |
|---|
| 615 | For(i,2*tree->n_otu-3) |
|---|
| 616 | { |
|---|
| 617 | b = tree->a_edges[i]; |
|---|
| 618 | |
|---|
| 619 | orig = b; |
|---|
| 620 | do |
|---|
| 621 | { |
|---|
| 622 | b->l->v = b->l_old->v; |
|---|
| 623 | if(b->next) b = b->next; |
|---|
| 624 | else b = b->next; |
|---|
| 625 | } |
|---|
| 626 | while(b); |
|---|
| 627 | b = orig; |
|---|
| 628 | } |
|---|
| 629 | |
|---|
| 630 | |
|---|
| 631 | Set_Both_Sides(NO,tree); |
|---|
| 632 | Lk(NULL,tree); |
|---|
| 633 | } |
|---|
| 634 | |
|---|
| 635 | For(i,2*tree->n_otu-3) Free(l_init[i]); |
|---|
| 636 | Free(l_init); |
|---|
| 637 | |
|---|
| 638 | tree->n_swap = 0; |
|---|
| 639 | For(i,2*tree->n_otu-3) |
|---|
| 640 | { |
|---|
| 641 | if(tree->a_edges[i]->nni->score < 0.0) tree->n_swap++; |
|---|
| 642 | tree->a_edges[i]->nni->score = +1.0; |
|---|
| 643 | } |
|---|
| 644 | |
|---|
| 645 | |
|---|
| 646 | if(tree->c_lnL > lk_old) return 1; |
|---|
| 647 | else if((tree->c_lnL > lk_old-tree->mod->s_opt->min_diff_lk_local) && |
|---|
| 648 | (tree->c_lnL < lk_old+tree->mod->s_opt->min_diff_lk_local)) return -1; |
|---|
| 649 | else return 0; |
|---|
| 650 | } |
|---|
| 651 | |
|---|
| 652 | ////////////////////////////////////////////////////////////// |
|---|
| 653 | ////////////////////////////////////////////////////////////// |
|---|
| 654 | |
|---|
| 655 | |
|---|
| 656 | int Mov_Backward_Topo_Pars(t_tree *tree, int pars_old, t_edge **tested_b, int n_tested) |
|---|
| 657 | { |
|---|
| 658 | int i,step,beg,end; |
|---|
| 659 | |
|---|
| 660 | step = 2; |
|---|
| 661 | do |
|---|
| 662 | { |
|---|
| 663 | beg = (int)FLOOR((phydbl)n_tested/(step-1)); |
|---|
| 664 | end = 0; |
|---|
| 665 | Unswap_N_Branch(tree,tested_b,beg,end); |
|---|
| 666 | beg = 0; |
|---|
| 667 | end = (int)FLOOR((phydbl)n_tested/step); |
|---|
| 668 | Swap_N_Branch(tree,tested_b,beg,end); |
|---|
| 669 | |
|---|
| 670 | if(!end) tree->n_swap = 0; |
|---|
| 671 | |
|---|
| 672 | Set_Both_Sides(NO,tree); |
|---|
| 673 | Pars(NULL,tree); |
|---|
| 674 | |
|---|
| 675 | step++; |
|---|
| 676 | |
|---|
| 677 | }while((tree->c_pars > pars_old) && (step < 1000)); |
|---|
| 678 | |
|---|
| 679 | |
|---|
| 680 | if(step == 1000) |
|---|
| 681 | { |
|---|
| 682 | if(tree->n_swap) Exit("\n. Err. in Mov_Backward_Topo_Bl (n_swap > 0)\n"); |
|---|
| 683 | |
|---|
| 684 | Set_Both_Sides(NO,tree); |
|---|
| 685 | Pars(NULL,tree); |
|---|
| 686 | } |
|---|
| 687 | |
|---|
| 688 | tree->n_swap = 0; |
|---|
| 689 | For(i,2*tree->n_otu-3) |
|---|
| 690 | { |
|---|
| 691 | if(tree->a_edges[i]->nni->score < 0.0) tree->n_swap++; |
|---|
| 692 | tree->a_edges[i]->nni->score = +1.0; |
|---|
| 693 | } |
|---|
| 694 | |
|---|
| 695 | |
|---|
| 696 | if(tree->c_pars < pars_old) return 1; |
|---|
| 697 | else if(tree->c_pars == pars_old) return -1; |
|---|
| 698 | else return 0; |
|---|
| 699 | } |
|---|
| 700 | |
|---|
| 701 | ////////////////////////////////////////////////////////////// |
|---|
| 702 | ////////////////////////////////////////////////////////////// |
|---|
| 703 | |
|---|
| 704 | |
|---|
| 705 | void Unswap_N_Branch(t_tree *tree, t_edge **b, int beg, int end) |
|---|
| 706 | { |
|---|
| 707 | int i; |
|---|
| 708 | int dim; |
|---|
| 709 | t_edge *orig; |
|---|
| 710 | |
|---|
| 711 | dim = 2*tree->n_otu-2; |
|---|
| 712 | |
|---|
| 713 | if(end>beg) |
|---|
| 714 | { |
|---|
| 715 | for(i=beg;i<end;i++) |
|---|
| 716 | { |
|---|
| 717 | |
|---|
| 718 | /* PhyML_Printf("MOV BACK UNSWAP Edge %d Swap nodes %d(%d) %d %d %d(%d)\n", */ |
|---|
| 719 | /* b[i]->num, */ |
|---|
| 720 | /* b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num][b[i]->nni->swap_node_v1->num]]->num, */ |
|---|
| 721 | /* b[i]->nni->swap_node_v4->num, */ |
|---|
| 722 | /* b[i]->nni->swap_node_v2->num, */ |
|---|
| 723 | /* b[i]->nni->swap_node_v3->num, */ |
|---|
| 724 | /* b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num][b[i]->nni->swap_node_v4->num]]->num, */ |
|---|
| 725 | /* b[i]->nni->swap_node_v1->num */ |
|---|
| 726 | /* ); */ |
|---|
| 727 | |
|---|
| 728 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 729 | b[i]->nni->swap_node_v2, |
|---|
| 730 | b[i]->nni->swap_node_v3, |
|---|
| 731 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 732 | tree); |
|---|
| 733 | |
|---|
| 734 | if(!Check_Topo_Constraints(tree,tree->io->cstr_tree)) |
|---|
| 735 | { |
|---|
| 736 | /* Undo this swap as it violates one of the topological constraints |
|---|
| 737 | defined in the input constraint tree |
|---|
| 738 | */ |
|---|
| 739 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 740 | b[i]->nni->swap_node_v2, |
|---|
| 741 | b[i]->nni->swap_node_v3, |
|---|
| 742 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 743 | tree); |
|---|
| 744 | } |
|---|
| 745 | |
|---|
| 746 | |
|---|
| 747 | /* (b[i]->nni->best_conf == 1)? */ |
|---|
| 748 | /* (Swap(b[i]->left->v[b[i]->l_v2],b[i]->left,b[i]->rght,b[i]->rght->v[b[i]->r_v1],tree)): */ |
|---|
| 749 | /* (Swap(b[i]->left->v[b[i]->l_v2],b[i]->left,b[i]->rght,b[i]->rght->v[b[i]->r_v2],tree)); */ |
|---|
| 750 | |
|---|
| 751 | /* b[i]->l->v = b[i]->l_old->v; */ |
|---|
| 752 | |
|---|
| 753 | |
|---|
| 754 | orig = b[i]; |
|---|
| 755 | do |
|---|
| 756 | { |
|---|
| 757 | b[i]->l->v = b[i]->l_old->v; |
|---|
| 758 | if(b[i]->next) b[i] = b[i]->next; |
|---|
| 759 | else b[i] = b[i]->next; |
|---|
| 760 | } |
|---|
| 761 | while(b[i]); |
|---|
| 762 | b[i] = orig; |
|---|
| 763 | |
|---|
| 764 | } |
|---|
| 765 | } |
|---|
| 766 | else |
|---|
| 767 | { |
|---|
| 768 | for(i=beg-1;i>=end;i--) |
|---|
| 769 | { |
|---|
| 770 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 771 | b[i]->nni->swap_node_v2, |
|---|
| 772 | b[i]->nni->swap_node_v3, |
|---|
| 773 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 774 | tree); |
|---|
| 775 | |
|---|
| 776 | if(!Check_Topo_Constraints(tree,tree->io->cstr_tree)) |
|---|
| 777 | { |
|---|
| 778 | /* Undo this swap as it violates one of the topological constraints |
|---|
| 779 | defined in the input constraint tree |
|---|
| 780 | */ |
|---|
| 781 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 782 | b[i]->nni->swap_node_v2, |
|---|
| 783 | b[i]->nni->swap_node_v3, |
|---|
| 784 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 785 | tree); |
|---|
| 786 | } |
|---|
| 787 | |
|---|
| 788 | |
|---|
| 789 | /* b[i]->l->v = b[i]->l_old->v; */ |
|---|
| 790 | |
|---|
| 791 | orig = b[i]; |
|---|
| 792 | do |
|---|
| 793 | { |
|---|
| 794 | b[i]->l->v = b[i]->l_old->v; |
|---|
| 795 | if(b[i]->next) b[i] = b[i]->next; |
|---|
| 796 | else b[i] = b[i]->next; |
|---|
| 797 | } |
|---|
| 798 | while(b[i]); |
|---|
| 799 | b[i] = orig; |
|---|
| 800 | |
|---|
| 801 | } |
|---|
| 802 | } |
|---|
| 803 | } |
|---|
| 804 | |
|---|
| 805 | ////////////////////////////////////////////////////////////// |
|---|
| 806 | ////////////////////////////////////////////////////////////// |
|---|
| 807 | |
|---|
| 808 | |
|---|
| 809 | void Swap_N_Branch(t_tree *tree,t_edge **b, int beg, int end) |
|---|
| 810 | { |
|---|
| 811 | int i; |
|---|
| 812 | int dim; |
|---|
| 813 | t_edge *orig; |
|---|
| 814 | |
|---|
| 815 | dim = 2*tree->n_otu-2; |
|---|
| 816 | |
|---|
| 817 | if(end>beg) |
|---|
| 818 | { |
|---|
| 819 | for(i=beg;i<end;i++) |
|---|
| 820 | { |
|---|
| 821 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 822 | b[i]->nni->swap_node_v2, |
|---|
| 823 | b[i]->nni->swap_node_v3, |
|---|
| 824 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 825 | tree); |
|---|
| 826 | |
|---|
| 827 | if(!Check_Topo_Constraints(tree,tree->io->cstr_tree)) |
|---|
| 828 | { |
|---|
| 829 | /* Undo this swap as it violates one of the topological constraints |
|---|
| 830 | defined in the input constraint tree |
|---|
| 831 | */ |
|---|
| 832 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 833 | b[i]->nni->swap_node_v2, |
|---|
| 834 | b[i]->nni->swap_node_v3, |
|---|
| 835 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 836 | tree); |
|---|
| 837 | } |
|---|
| 838 | |
|---|
| 839 | /* b[i]->l->v = b[i]->nni->best_l; */ |
|---|
| 840 | |
|---|
| 841 | orig = b[i]; |
|---|
| 842 | do |
|---|
| 843 | { |
|---|
| 844 | b[i]->l->v = b[i]->nni->best_l; |
|---|
| 845 | if(b[i]->next) b[i] = b[i]->next; |
|---|
| 846 | else b[i] = b[i]->next; |
|---|
| 847 | } |
|---|
| 848 | while(b[i]); |
|---|
| 849 | b[i] = orig; |
|---|
| 850 | |
|---|
| 851 | } |
|---|
| 852 | } |
|---|
| 853 | else |
|---|
| 854 | { |
|---|
| 855 | for(i=beg-1;i>=end;i--) |
|---|
| 856 | { |
|---|
| 857 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 858 | b[i]->nni->swap_node_v2, |
|---|
| 859 | b[i]->nni->swap_node_v3, |
|---|
| 860 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 861 | tree); |
|---|
| 862 | |
|---|
| 863 | if(!Check_Topo_Constraints(tree,tree->io->cstr_tree)) |
|---|
| 864 | { |
|---|
| 865 | /* Undo this swap as it violates one of the topological constraints |
|---|
| 866 | defined in the input constraint tree |
|---|
| 867 | */ |
|---|
| 868 | Swap(b[i]->nni->swap_node_v2->v[tree->t_dir[b[i]->nni->swap_node_v2->num*dim+b[i]->nni->swap_node_v1->num]], |
|---|
| 869 | b[i]->nni->swap_node_v2, |
|---|
| 870 | b[i]->nni->swap_node_v3, |
|---|
| 871 | b[i]->nni->swap_node_v3->v[tree->t_dir[b[i]->nni->swap_node_v3->num*dim+b[i]->nni->swap_node_v4->num]], |
|---|
| 872 | tree); |
|---|
| 873 | } |
|---|
| 874 | |
|---|
| 875 | /* b[i]->l->v = b[i]->nni->best_l; */ |
|---|
| 876 | |
|---|
| 877 | orig = b[i]; |
|---|
| 878 | do |
|---|
| 879 | { |
|---|
| 880 | b[i]->l->v = b[i]->nni->best_l; |
|---|
| 881 | if(b[i]->next) b[i] = b[i]->next; |
|---|
| 882 | else b[i] = b[i]->next; |
|---|
| 883 | } |
|---|
| 884 | while(b[i]); |
|---|
| 885 | b[i] = orig; |
|---|
| 886 | |
|---|
| 887 | } |
|---|
| 888 | } |
|---|
| 889 | } |
|---|
| 890 | |
|---|
| 891 | ////////////////////////////////////////////////////////////// |
|---|
| 892 | ////////////////////////////////////////////////////////////// |
|---|
| 893 | |
|---|
| 894 | |
|---|
| 895 | void Check_NNI_Scores_Around(t_node *a, t_node *d, t_edge *b, phydbl *best_score, t_tree *tree) |
|---|
| 896 | { |
|---|
| 897 | |
|---|
| 898 | int i; |
|---|
| 899 | For(i,3) |
|---|
| 900 | { |
|---|
| 901 | if((d->v[i] != a) && (!d->v[i]->tax)) |
|---|
| 902 | { |
|---|
| 903 | if((d->b[i]->nni->score > *best_score-1.E-10) && |
|---|
| 904 | (d->b[i]->nni->score < *best_score+1.E-10)) /* ties */ |
|---|
| 905 | { |
|---|
| 906 | d->b[i]->nni->score = *best_score+1.; |
|---|
| 907 | } |
|---|
| 908 | |
|---|
| 909 | if(d->b[i]->nni->score < *best_score) |
|---|
| 910 | { |
|---|
| 911 | *best_score = d->b[i]->nni->score; |
|---|
| 912 | } |
|---|
| 913 | } |
|---|
| 914 | } |
|---|
| 915 | } |
|---|
| 916 | |
|---|
| 917 | ////////////////////////////////////////////////////////////// |
|---|
| 918 | ////////////////////////////////////////////////////////////// |
|---|
| 919 | |
|---|
| 920 | ////////////////////////////////////////////////////////////// |
|---|
| 921 | ////////////////////////////////////////////////////////////// |
|---|
| 922 | |
|---|
| 923 | ////////////////////////////////////////////////////////////// |
|---|
| 924 | ////////////////////////////////////////////////////////////// |
|---|
| 925 | |
|---|
| 926 | ////////////////////////////////////////////////////////////// |
|---|
| 927 | ////////////////////////////////////////////////////////////// |
|---|
| 928 | |
|---|
| 929 | ////////////////////////////////////////////////////////////// |
|---|
| 930 | ////////////////////////////////////////////////////////////// |
|---|
| 931 | |
|---|
| 932 | ////////////////////////////////////////////////////////////// |
|---|
| 933 | ////////////////////////////////////////////////////////////// |
|---|
| 934 | |
|---|
| 935 | ////////////////////////////////////////////////////////////// |
|---|
| 936 | ////////////////////////////////////////////////////////////// |
|---|
| 937 | |
|---|
| 938 | ////////////////////////////////////////////////////////////// |
|---|
| 939 | ////////////////////////////////////////////////////////////// |
|---|
| 940 | |
|---|
| 941 | ////////////////////////////////////////////////////////////// |
|---|
| 942 | ////////////////////////////////////////////////////////////// |
|---|
| 943 | |
|---|
| 944 | ////////////////////////////////////////////////////////////// |
|---|
| 945 | ////////////////////////////////////////////////////////////// |
|---|
| 946 | |
|---|
| 947 | ////////////////////////////////////////////////////////////// |
|---|
| 948 | ////////////////////////////////////////////////////////////// |
|---|
| 949 | |
|---|