1 | // =============================================================== // |
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2 | // // |
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3 | // File : ali_prealigner.cxx // |
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4 | // Purpose : // |
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5 | // // |
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6 | // Institute of Microbiology (Technical University Munich) // |
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7 | // http://www.arb-home.de/ // |
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8 | // // |
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9 | // =============================================================== // |
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10 | |
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11 | #include "ali_prealigner.hxx" |
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12 | #include "ali_aligner.hxx" |
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13 | |
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14 | void ali_prealigner_mask::insert(ALI_MAP * in_map, float costs) { |
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15 | // Insert a new map |
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16 | unsigned long i; |
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17 | |
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18 | calls++; |
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19 | if (!map) { |
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20 | map = in_map; |
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21 | cost_of_binding = costs; |
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22 | } |
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23 | else { |
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24 | if (costs > cost_of_binding) { |
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25 | delete in_map; |
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26 | return; |
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27 | } |
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28 | if (map->first_base() != in_map->first_base() || |
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29 | map->last_base() != in_map->last_base() || |
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30 | map->first_reference_base() != in_map->first_reference_base() || |
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31 | map->last_reference_base() != in_map->last_reference_base()) { |
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32 | ali_fatal_error("Incompatible maps", |
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33 | "ali_prealigner_mask::insert()"); |
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34 | } |
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35 | if (costs < cost_of_binding) { |
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36 | delete map; |
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37 | map = in_map; |
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38 | cost_of_binding = costs; |
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39 | last_new = calls; |
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40 | last_joins = 0; |
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41 | return; |
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42 | } |
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43 | joins++; |
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44 | last_joins++; |
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45 | for (i = map->first_base(); i <= map->last_base(); i++) |
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46 | if ((!map->is_undefined(i)) && map->position(i) != in_map->position(i)) |
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47 | map->undefine(i); |
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48 | delete in_map; |
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49 | } |
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50 | } |
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51 | |
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52 | void ali_prealigner_mask::delete_expensive(ALI_PREALIGNER_CONTEXT * context, ALI_PROFILE * profile) { |
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53 | // Delete expensive parts of solution |
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54 | ALI_MAP *inverse_map; |
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55 | unsigned long start_hel, end_hel; |
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56 | unsigned long start_seq, end_seq; |
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57 | unsigned long start_mapped, end_mapped; |
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58 | unsigned long start_ok=0, end_ok=0; |
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59 | int start_ok_flag; |
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60 | unsigned long found_helix; |
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61 | unsigned long error_counter; |
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62 | |
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63 | unsigned long map_pos, i, j; |
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64 | float max_cost, helix_cost; |
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65 | unsigned long helix_counter; |
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66 | long compl_pos; |
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67 | unsigned char base1, base2; |
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68 | |
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69 | printf("MASK : calls = %ld joins = %ld last_new = %ld last_joins = %ld\n", |
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70 | calls, joins, last_new, last_joins); |
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71 | |
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72 | max_cost = profile->w_sub_maximum() * context->max_cost_of_sub_percent; |
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73 | |
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74 | // Delete expensive Bases |
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75 | error_counter = 0; |
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76 | for (i = map->first_base(); i <= map->last_base(); i++) { |
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77 | if (!(map->is_inserted(i)) && |
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78 | profile->w_sub(map->position(i), i) > max_cost) { |
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79 | error_counter++; |
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80 | if (error_counter > context->error_count) |
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81 | map->undefine(i); |
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82 | else { |
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83 | if (error_counter == context->error_count) { |
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84 | for (j = i - error_counter + 1; j <= i; j++) |
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85 | map->undefine(j); |
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86 | } |
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87 | } |
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88 | } |
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89 | else { |
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90 | // If error was in helix => delete helix total |
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91 | if (error_counter > 0 && |
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92 | profile->is_in_helix(map->position(i - 1), &start_hel, &end_hel)) { |
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93 | for (j = i - 1; map->position(j) >= long(start_hel); j--) ; |
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94 | for (; map->position(j) <= long(end_hel); j++) |
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95 | map->undefine(j); |
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96 | } |
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97 | error_counter = 0; |
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98 | } |
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99 | } |
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100 | |
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101 | // Delete expensive Helizes |
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102 | inverse_map = map->inverse_without_inserts(); |
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103 | for (i = inverse_map->first_base(); i <= inverse_map->last_base(); i++) { |
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104 | // found a helix |
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105 | if (profile->is_in_helix(i, &start_hel, &end_hel)) { |
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106 | if (i != start_hel) |
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107 | ali_fatal_error("Inconsistent positions", |
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108 | "ali_prealigner_mask::delete_expensive()"); |
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109 | compl_pos = profile->complement_position(start_hel); |
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110 | // only forward bindings |
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111 | if (compl_pos > long(end_hel)) { |
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112 | helix_cost = 0.0; |
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113 | helix_counter = 0; |
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114 | while (i <= end_hel) { |
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115 | // is binding ? |
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116 | if (compl_pos > 0) { |
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117 | if (!inverse_map->is_undefined(i)) { |
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118 | base1 = (profile->sequence())->base( |
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119 | inverse_map->first_reference_base() + |
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120 | inverse_map->position(i)); |
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121 | } |
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122 | else { |
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123 | base1 = ALI_GAP_CODE; |
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124 | } |
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125 | if (!inverse_map->is_undefined(compl_pos)) { |
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126 | base2 = (profile->sequence())->base( |
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127 | inverse_map->first_reference_base() + |
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128 | inverse_map->position(compl_pos)); |
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129 | } |
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130 | else { |
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131 | base2 = ALI_GAP_CODE; |
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132 | } |
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133 | if (base1 != ALI_GAP_CODE || base2 != ALI_GAP_CODE) { |
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134 | helix_cost += profile->w_bind(i, base1, compl_pos, base2); |
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135 | helix_counter++; |
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136 | } |
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137 | } |
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138 | i++; |
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139 | compl_pos = profile->complement_position(i); |
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140 | } |
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141 | if (helix_counter > 0) helix_cost /= helix_counter; |
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142 | if (helix_cost > context->max_cost_of_helix) { |
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143 | for (j = start_hel; j <= end_hel; j++) { |
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144 | if (!inverse_map->is_undefined(j)) { |
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145 | map->undefine(inverse_map->first_reference_base() + inverse_map->position(j)); |
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146 | } |
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147 | } |
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148 | for (j = profile->complement_position(end_hel); long(j) <= profile->complement_position(start_hel); j++) { |
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149 | if (!inverse_map->is_undefined(j)) { |
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150 | map->undefine(inverse_map->first_reference_base() + inverse_map->position(j)); |
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151 | } |
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152 | } |
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153 | } |
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154 | } |
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155 | i = end_hel; |
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156 | } |
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157 | } |
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158 | delete inverse_map; |
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159 | |
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160 | // Check for good parts |
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161 | for (map_pos = map->first_base(); map_pos <= map->last_base(); map_pos++) { |
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162 | // search next defined segment |
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163 | if (!map->is_undefined(map_pos)) { |
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164 | // find start and end of segment |
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165 | start_seq = map_pos; |
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166 | start_mapped = map->position(map_pos); |
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167 | for (map_pos++; |
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168 | map_pos <= map->last_base() && (!map->is_undefined(map_pos)); |
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169 | map_pos++) ; |
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170 | |
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171 | end_seq = map_pos - 1; |
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172 | end_mapped = map->position(end_seq); |
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173 | |
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174 | // Check segment for helizes |
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175 | found_helix = 0; |
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176 | start_ok_flag = 0; |
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177 | for (i = start_seq; i <= end_seq; i++) { |
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178 | if (profile->is_in_helix(map->position(i), &start_hel, &end_hel)) { |
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179 | found_helix++; |
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180 | // Helix is inside the segment |
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181 | if (start_hel >= start_mapped && end_hel <= end_mapped) { |
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182 | if (start_ok_flag == 0) { |
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183 | start_ok = start_hel; |
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184 | start_ok_flag = 1; |
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185 | } |
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186 | end_ok = end_hel; |
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187 | } |
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188 | } |
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189 | } |
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190 | |
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191 | // Found good helizes |
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192 | if (start_ok_flag == 1) { |
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193 | for (i = start_seq; map->position(i) < long(start_ok); i++) map->undefine(i); |
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194 | for (i = end_seq; map->position(i) > long(end_ok); i--) map->undefine(i); |
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195 | } |
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196 | else { |
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197 | // Found bad helizes |
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198 | if (found_helix > 0) { |
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199 | for (i = start_seq; i <= end_seq; i++) |
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200 | map->undefine(i); |
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201 | } |
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202 | // Segment without helix |
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203 | else { |
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204 | if (end_seq - start_seq + 1 >= (unsigned long)((2 * context->interval_border) + context->interval_center)) { |
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205 | for (i = start_seq; i < start_seq + context->interval_border; i++) map->undefine(i); |
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206 | for (i = end_seq; i > end_seq - context->interval_border; i--) map->undefine(i); |
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207 | } |
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208 | else { |
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209 | for (i = start_seq; i <= end_seq; i++) map->undefine(i); |
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210 | } |
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211 | } |
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212 | } |
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213 | } |
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214 | } |
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215 | } |
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216 | |
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217 | // ----------------------- |
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218 | // ALI_PREALIGNER |
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219 | |
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220 | inline float ALI_PREALIGNER::minimum2(float a, float b) { |
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221 | return (a < b) ? a : b; |
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222 | } |
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223 | |
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224 | inline float ALI_PREALIGNER::minimum3(float a, float b, float c) { |
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225 | return (a < b) ? ((a < c) ? a : c) : ((b < c) ? b : c); |
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226 | } |
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227 | |
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228 | |
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229 | inline void ALI_PREALIGNER::calculate_first_column_first_cell(ali_prealigner_cell * akt_cell) { |
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230 | float v1, v2; |
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231 | |
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232 | v1 = profile->w_ins_multi_cheap(start_x, start_y) + profile->w_sub_multi_gap_cheap(start_y, start_y); |
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233 | v2 = profile->w_sub(start_y, start_x); |
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234 | |
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235 | akt_cell->d = minimum2(v1, v2); |
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236 | |
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237 | if (akt_cell->d == v1) path_map->set(0, 0, ALI_UP | ALI_LEFT); |
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238 | if (akt_cell->d == v2) path_map->set(0, 0, ALI_DIAG); |
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239 | } |
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240 | |
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241 | inline void ALI_PREALIGNER::calculate_first_column_cell(ali_prealigner_cell * up_cell, |
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242 | ali_prealigner_cell * akt_cell, |
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243 | unsigned long pos_y) |
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244 | { |
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245 | float v1, v2, v3; |
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246 | unsigned long positiony; |
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247 | |
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248 | positiony = start_y + pos_y; |
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249 | |
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250 | v1 = up_cell->d + profile->w_sub_gap(positiony); |
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251 | v2 = profile->w_sub_multi_gap_cheap(start_y, positiony - 1) + profile->w_sub(positiony, start_x); |
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252 | v3 = profile->w_sub_multi_gap_cheap(start_y, positiony) + profile->w_ins(start_x, positiony); |
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253 | |
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254 | akt_cell->d = minimum3(v1, v2, v3); |
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255 | |
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256 | if (v1 == akt_cell->d) path_map->set(0, pos_y, ALI_UP); |
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257 | if (v2 == akt_cell->d) path_map->set(0, pos_y, ALI_DIAG); |
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258 | if (v3 == akt_cell->d) path_map->set(0, pos_y, ALI_LEFT); |
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259 | } |
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260 | |
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261 | void ALI_PREALIGNER::calculate_first_column(ali_prealigner_column * akt_column) { |
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262 | unsigned long pos_y; |
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263 | |
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264 | calculate_first_column_first_cell(&(*akt_column->cells)[0]); |
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265 | |
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266 | for (pos_y = 1; pos_y < akt_column->column_length; pos_y++) |
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267 | calculate_first_column_cell(&(*akt_column->cells)[pos_y - 1], |
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268 | &(*akt_column->cells)[pos_y], |
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269 | pos_y); |
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270 | } |
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271 | |
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272 | |
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273 | inline void ALI_PREALIGNER::calculate_first_cell(ali_prealigner_cell * left_cell, |
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274 | ali_prealigner_cell * akt_cell, |
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275 | unsigned long pos_x) |
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276 | { |
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277 | float v1, v2, v3; |
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278 | unsigned long positionx; |
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279 | |
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280 | positionx = start_x + pos_x; |
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281 | |
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282 | v1 = profile->w_ins_multi_cheap(start_x, positionx) + profile->w_sub_gap(start_y); |
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283 | v2 = profile->w_ins_multi_cheap(start_x, positionx - 1) + profile->w_sub(start_y, positionx); |
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284 | v3 = left_cell->d + profile->w_ins(positionx, start_y); |
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285 | |
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286 | akt_cell->d = minimum3(v1, v2, v3); |
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287 | |
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288 | if (v1 == akt_cell->d) path_map->set(pos_x, 0, ALI_UP); |
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289 | if (v2 == akt_cell->d) path_map->set(pos_x, 0, ALI_DIAG); |
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290 | if (v3 == akt_cell->d) path_map->set(pos_x, 0, ALI_LEFT); |
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291 | } |
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292 | |
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293 | inline void ALI_PREALIGNER::calculate_cell(ali_prealigner_cell * diag_cell, ali_prealigner_cell * left_cell, |
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294 | ali_prealigner_cell * up_cell, ali_prealigner_cell * akt_cell, |
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295 | unsigned long pos_x, unsigned long pos_y) |
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296 | { |
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297 | float v1, v2, v3; |
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298 | unsigned long positionx, positiony; |
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299 | |
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300 | positionx = start_x + pos_x; |
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301 | positiony = start_y + pos_y; |
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302 | |
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303 | v1 = up_cell->d + profile->w_sub_gap(positiony); |
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304 | v2 = diag_cell->d + profile->w_sub(positiony, positionx); |
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305 | v3 = left_cell->d + profile->w_ins(positionx, positiony); |
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306 | |
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307 | akt_cell->d = minimum3(v1, v2, v3); |
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308 | |
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309 | if (v1 == akt_cell->d) path_map->set(pos_x, pos_y, ALI_UP); |
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310 | if (v2 == akt_cell->d) path_map->set(pos_x, pos_y, ALI_DIAG); |
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311 | if (v3 == akt_cell->d) path_map->set(pos_x, pos_y, ALI_LEFT); |
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312 | } |
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313 | |
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314 | void ALI_PREALIGNER::calculate_column(ali_prealigner_column * prev_col, |
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315 | ali_prealigner_column * akt_col, |
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316 | unsigned long pos_x) |
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317 | { |
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318 | unsigned long pos_y; |
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319 | |
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320 | calculate_first_cell(&(*prev_col->cells)[0], &(*akt_col->cells)[0], pos_x); |
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321 | |
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322 | for (pos_y = 1; pos_y < akt_col->column_length; pos_y++) |
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323 | calculate_cell(&(*prev_col->cells)[pos_y - 1], &(*prev_col->cells)[pos_y], |
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324 | &(*akt_col->cells)[pos_y - 1], &(*akt_col->cells)[pos_y], |
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325 | pos_x, pos_y); |
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326 | } |
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327 | |
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328 | inline void ALI_PREALIGNER::calculate_last_column_first_cell(ali_prealigner_cell * left_cell, |
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329 | ali_prealigner_cell * akt_cell, |
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330 | unsigned long pos_x) |
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331 | { |
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332 | float v1, v2, v3; |
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333 | unsigned long positionx; |
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334 | |
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335 | positionx = start_x + pos_x; |
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336 | |
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337 | v1 = profile->w_ins_multi_cheap(start_x, positionx) + profile->w_sub_gap_cheap(start_y); |
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338 | v2 = profile->w_ins_multi_cheap(start_x, positionx - 1) + profile->w_sub(start_y, positionx); |
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339 | v3 = left_cell->d + profile->w_ins(positionx, start_y); |
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340 | |
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341 | akt_cell->d = minimum3(v1, v2, v3); |
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342 | |
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343 | if (v1 == akt_cell->d) path_map->set(pos_x, 0, ALI_UP); |
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344 | if (v2 == akt_cell->d) path_map->set(pos_x, 0, ALI_DIAG); |
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345 | if (v3 == akt_cell->d) path_map->set(pos_x, 0, ALI_LEFT); |
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346 | } |
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347 | |
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348 | inline void ALI_PREALIGNER::calculate_last_column_cell(ali_prealigner_cell * diag_cell, ali_prealigner_cell * left_cell, |
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349 | ali_prealigner_cell * up_cell, ali_prealigner_cell * akt_cell, |
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350 | unsigned long pos_x, unsigned long pos_y) |
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351 | { |
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352 | float v1, v2, v3; |
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353 | unsigned long positionx, positiony; |
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354 | |
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355 | positionx = start_x + pos_x; |
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356 | positiony = start_y + pos_y; |
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357 | |
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358 | v1 = up_cell->d + profile->w_sub_gap_cheap(positiony); |
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359 | v2 = diag_cell->d + profile->w_sub(positiony, positionx); |
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360 | v3 = left_cell->d + profile->w_ins(positionx, positiony); |
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361 | |
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362 | akt_cell->d = minimum3(v1, v2, v3); |
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363 | |
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364 | if (v1 == akt_cell->d) path_map->set(pos_x, pos_y, ALI_UP); |
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365 | if (v2 == akt_cell->d) path_map->set(pos_x, pos_y, ALI_DIAG); |
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366 | if (v3 == akt_cell->d) path_map->set(pos_x, pos_y, ALI_LEFT); |
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367 | } |
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368 | |
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369 | void ALI_PREALIGNER::calculate_last_column(ali_prealigner_column * prev_col, |
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370 | ali_prealigner_column * akt_col, |
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371 | unsigned long pos_x) |
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372 | { |
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373 | unsigned long pos_y; |
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374 | |
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375 | calculate_last_column_first_cell(&(*prev_col->cells)[0], |
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376 | &(*akt_col->cells)[0], pos_x); |
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377 | |
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378 | for (pos_y = 1; pos_y < akt_col->column_length; pos_y++) |
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379 | calculate_last_column_cell(&(*prev_col->cells)[pos_y - 1], |
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380 | &(*prev_col->cells)[pos_y], |
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381 | &(*akt_col->cells)[pos_y - 1], &(*akt_col->cells)[pos_y], |
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382 | pos_x, pos_y); |
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383 | } |
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384 | |
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385 | |
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386 | void ALI_PREALIGNER::calculate_matrix() { |
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387 | unsigned long pos_x; |
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388 | ali_prealigner_column *akt_col, *prev_col, *h_col; |
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389 | |
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390 | akt_col = new ali_prealigner_column(end_y - start_y + 1); |
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391 | prev_col = new ali_prealigner_column(end_y - start_y + 1); |
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392 | |
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393 | calculate_first_column(prev_col); |
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394 | |
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395 | for (pos_x = 1; pos_x < end_x - start_x + 1; pos_x++) { |
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396 | if (pos_x == end_x - start_x || profile->is_internal_last(pos_x)) |
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397 | calculate_last_column(prev_col, akt_col, pos_x); |
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398 | else |
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399 | calculate_column(prev_col, akt_col, pos_x); |
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400 | h_col = akt_col; |
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401 | akt_col = prev_col; |
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402 | prev_col = h_col; |
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403 | } |
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404 | |
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405 | delete akt_col; |
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406 | delete prev_col; |
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407 | } |
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408 | |
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409 | void ALI_PREALIGNER::generate_solution(ALI_MAP * map) { |
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410 | // Generate a sub_solution by deleting all undefined segments |
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411 | ALI_MAP *seg_map; |
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412 | unsigned long map_pos; |
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413 | unsigned long start_seg, end_seg, pos_seg; |
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414 | |
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415 | sub_solution = new ALI_SUB_SOLUTION(profile); |
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416 | |
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417 | for (map_pos = map->first_base(); map_pos <= map->last_base(); map_pos++) { |
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418 | // search for segment |
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419 | for (start_seg = map_pos; |
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420 | start_seg <= map->last_base() && map->is_undefined(start_seg); |
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421 | start_seg++) ; |
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422 | |
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423 | if (start_seg <= map->last_base()) { |
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424 | for (end_seg = start_seg; |
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425 | end_seg <= map->last_base() && (!map->is_undefined(end_seg)); |
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426 | end_seg++) ; |
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427 | |
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428 | end_seg--; |
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429 | |
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430 | seg_map = new ALI_MAP(start_seg, |
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431 | end_seg, |
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432 | map->position(start_seg), |
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433 | map->position(end_seg)); |
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434 | // Copy segment |
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435 | for (pos_seg = start_seg; pos_seg <= end_seg; pos_seg++) { |
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436 | if (map->is_inserted(pos_seg)) |
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437 | seg_map->set(pos_seg, |
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438 | map->position(pos_seg) - map->position(start_seg), 1); |
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439 | else |
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440 | seg_map->set(pos_seg, |
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441 | map->position(pos_seg) - map->position(start_seg), 0); |
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442 | } |
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443 | |
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444 | if (sub_solution->insert(seg_map) != 1) |
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445 | ali_fatal_error("Inconsistent solution?", |
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446 | "ALI_PREALIGNER::generate_solution()"); |
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447 | |
---|
448 | map_pos = end_seg; |
---|
449 | } |
---|
450 | } |
---|
451 | } |
---|
452 | |
---|
453 | void ALI_PREALIGNER::generate_result_mask(ALI_TSTACK < unsigned char >*stack) { |
---|
454 | // generate the result mask from an stack of operations |
---|
455 | ALI_SEQUENCE *seq; |
---|
456 | float cost_of_bindings; |
---|
457 | ALI_MAP *map; |
---|
458 | unsigned long seq_pos, dest_pos; |
---|
459 | long i; |
---|
460 | |
---|
461 | map = new ALI_MAP(start_x, end_x, start_y, end_y); |
---|
462 | |
---|
463 | seq_pos = start_x; |
---|
464 | dest_pos = 0; |
---|
465 | for (i = (long) stack->akt_size() - 1; i >= 0; i--) { |
---|
466 | switch (stack->get(i)) { |
---|
467 | case ALI_PREALIGNER_INS: |
---|
468 | map->set(seq_pos++, dest_pos, 1); |
---|
469 | break; |
---|
470 | case ALI_PREALIGNER_SUB: |
---|
471 | map->set(seq_pos++, dest_pos++, 0); |
---|
472 | break; |
---|
473 | case ALI_PREALIGNER_DEL: |
---|
474 | dest_pos++; |
---|
475 | break; |
---|
476 | case ALI_PREALIGNER_INS | ALI_PREALIGNER_MULTI_FLAG : |
---|
477 | map->set(seq_pos, dest_pos, 1); |
---|
478 | map->undefine(seq_pos++); |
---|
479 | break; |
---|
480 | case ALI_PREALIGNER_SUB | ALI_PREALIGNER_MULTI_FLAG : |
---|
481 | map->set(seq_pos, dest_pos++, 0); |
---|
482 | map->undefine(seq_pos++); |
---|
483 | break; |
---|
484 | case ALI_PREALIGNER_DEL | ALI_PREALIGNER_MULTI_FLAG : |
---|
485 | dest_pos++; |
---|
486 | break; |
---|
487 | default: |
---|
488 | ali_fatal_error("Unexpected value", |
---|
489 | "ALI_PREALIGNER::generate_result_mask()"); |
---|
490 | } |
---|
491 | } |
---|
492 | |
---|
493 | if (result_mask_counter > 0) |
---|
494 | result_mask_counter--; |
---|
495 | |
---|
496 | seq = map->sequence_without_inserts(profile->sequence()); |
---|
497 | cost_of_bindings = profile->w_binding(map->first_reference_base(), seq); |
---|
498 | delete seq; |
---|
499 | |
---|
500 | // make the intersection |
---|
501 | result_mask.insert(map, cost_of_bindings); |
---|
502 | } |
---|
503 | |
---|
504 | void ALI_PREALIGNER::mapper_post(ALI_TSTACK < unsigned char >*stack, unsigned long ins_nu, unsigned long del_nu) { |
---|
505 | // Fill the stack with rest DELs or INSs |
---|
506 | if (ins_nu > 0 && del_nu > 0) |
---|
507 | ali_fatal_error("Unexpected values", |
---|
508 | "ALI_PREALIGNER::mapper_post()"); |
---|
509 | |
---|
510 | if (ins_nu > 0) { |
---|
511 | stack->push(ALI_PREALIGNER_INS, ins_nu); |
---|
512 | generate_result_mask(stack); |
---|
513 | stack->pop(ins_nu); |
---|
514 | } |
---|
515 | else { |
---|
516 | if (del_nu > 0) { |
---|
517 | stack->push(ALI_PREALIGNER_DEL, del_nu); |
---|
518 | generate_result_mask(stack); |
---|
519 | stack->pop(del_nu); |
---|
520 | } else |
---|
521 | generate_result_mask(stack); |
---|
522 | } |
---|
523 | } |
---|
524 | |
---|
525 | void ALI_PREALIGNER::mapper_post_multi(ALI_TSTACK < unsigned char >*stack, unsigned long ins_nu, unsigned long del_nu) { |
---|
526 | // Fill the stack with rest DELs or INSs (with MULTI_FLAG) |
---|
527 | if (ins_nu > 0 && del_nu > 0) |
---|
528 | ali_fatal_error("Unexpected values", |
---|
529 | "ALI_PREALIGNER::mapper_post_multi()"); |
---|
530 | |
---|
531 | if (ins_nu > 0) { |
---|
532 | stack->push(ALI_PREALIGNER_INS | ALI_PREALIGNER_MULTI_FLAG, ins_nu); |
---|
533 | generate_result_mask(stack); |
---|
534 | stack->pop(ins_nu); |
---|
535 | } |
---|
536 | else { |
---|
537 | if (del_nu > 0) { |
---|
538 | stack->push(ALI_PREALIGNER_DEL | ALI_PREALIGNER_MULTI_FLAG, del_nu); |
---|
539 | generate_result_mask(stack); |
---|
540 | stack->pop(del_nu); |
---|
541 | } else |
---|
542 | generate_result_mask(stack); |
---|
543 | } |
---|
544 | } |
---|
545 | |
---|
546 | void ALI_PREALIGNER::mapper_random(ALI_TSTACK < unsigned char >*stack, unsigned long pos_x, unsigned long pos_y) { |
---|
547 | // generate a stack of operations by taking a random path of the pathmap |
---|
548 | unsigned long next_x, next_y; |
---|
549 | unsigned long random; |
---|
550 | unsigned char value; |
---|
551 | unsigned long stack_counter = 0; |
---|
552 | |
---|
553 | |
---|
554 | |
---|
555 | next_x = pos_x; |
---|
556 | next_y = pos_y; |
---|
557 | while (next_x <= pos_x && next_y <= pos_y) { |
---|
558 | stack_counter++; |
---|
559 | |
---|
560 | random = GB_random(6); |
---|
561 | |
---|
562 | value = path_map->get_value(next_x, next_y); |
---|
563 | if (value == 0) |
---|
564 | ali_fatal_error("Unexpected value (1)", |
---|
565 | "ALI_PREALIGNER::mapper_random()"); |
---|
566 | |
---|
567 | switch (random) { |
---|
568 | case 0: |
---|
569 | if (value & ALI_UP) { |
---|
570 | stack->push(ALI_PREALIGNER_DEL); |
---|
571 | next_y--; |
---|
572 | } |
---|
573 | else { |
---|
574 | if (value & ALI_DIAG) { |
---|
575 | stack->push(ALI_PREALIGNER_SUB); |
---|
576 | next_x--; |
---|
577 | next_y--; |
---|
578 | } |
---|
579 | else { |
---|
580 | stack->push(ALI_PREALIGNER_INS); |
---|
581 | next_x--; |
---|
582 | } |
---|
583 | } |
---|
584 | break; |
---|
585 | case 1: |
---|
586 | if (value & ALI_UP) { |
---|
587 | stack->push(ALI_PREALIGNER_DEL); |
---|
588 | next_y--; |
---|
589 | } |
---|
590 | else { |
---|
591 | if (value & ALI_LEFT) { |
---|
592 | stack->push(ALI_PREALIGNER_INS); |
---|
593 | next_x--; |
---|
594 | } |
---|
595 | else { |
---|
596 | stack->push(ALI_PREALIGNER_SUB); |
---|
597 | next_x--; |
---|
598 | next_y--; |
---|
599 | } |
---|
600 | } |
---|
601 | break; |
---|
602 | case 2: |
---|
603 | if (value & ALI_DIAG) { |
---|
604 | stack->push(ALI_PREALIGNER_SUB); |
---|
605 | next_x--; |
---|
606 | next_y--; |
---|
607 | } |
---|
608 | else { |
---|
609 | if (value & ALI_UP) { |
---|
610 | stack->push(ALI_PREALIGNER_DEL); |
---|
611 | next_y--; |
---|
612 | } |
---|
613 | else { |
---|
614 | stack->push(ALI_PREALIGNER_INS); |
---|
615 | next_x--; |
---|
616 | } |
---|
617 | } |
---|
618 | break; |
---|
619 | case 3: |
---|
620 | if (value & ALI_DIAG) { |
---|
621 | stack->push(ALI_PREALIGNER_SUB); |
---|
622 | next_x--; |
---|
623 | next_y--; |
---|
624 | } |
---|
625 | else { |
---|
626 | if (value & ALI_LEFT) { |
---|
627 | stack->push(ALI_PREALIGNER_INS); |
---|
628 | next_x--; |
---|
629 | } |
---|
630 | else { |
---|
631 | stack->push(ALI_PREALIGNER_DEL); |
---|
632 | next_y--; |
---|
633 | } |
---|
634 | } |
---|
635 | break; |
---|
636 | case 4: |
---|
637 | if (value & ALI_LEFT) { |
---|
638 | stack->push(ALI_PREALIGNER_INS); |
---|
639 | next_x--; |
---|
640 | } |
---|
641 | else { |
---|
642 | if (value & ALI_UP) { |
---|
643 | stack->push(ALI_PREALIGNER_DEL); |
---|
644 | next_y--; |
---|
645 | } |
---|
646 | else { |
---|
647 | stack->push(ALI_PREALIGNER_SUB); |
---|
648 | next_x--; |
---|
649 | next_y--; |
---|
650 | } |
---|
651 | } |
---|
652 | break; |
---|
653 | case 5: |
---|
654 | if (value & ALI_LEFT) { |
---|
655 | stack->push(ALI_PREALIGNER_INS); |
---|
656 | next_x--; |
---|
657 | } |
---|
658 | else { |
---|
659 | if (value & ALI_DIAG) { |
---|
660 | stack->push(ALI_PREALIGNER_SUB); |
---|
661 | next_x--; |
---|
662 | next_y--; |
---|
663 | } |
---|
664 | else { |
---|
665 | stack->push(ALI_PREALIGNER_DEL); |
---|
666 | next_y--; |
---|
667 | } |
---|
668 | } |
---|
669 | break; |
---|
670 | default: |
---|
671 | ali_fatal_error("Unexpected random value", |
---|
672 | "ALI_PREALIGNER::mapper_random()"); |
---|
673 | } |
---|
674 | } |
---|
675 | |
---|
676 | if (next_x <= pos_x) { |
---|
677 | mapper_post(stack, next_x + 1, 0); |
---|
678 | } |
---|
679 | else { |
---|
680 | if (next_y <= pos_y) { |
---|
681 | mapper_post(stack, 0, next_y + 1); |
---|
682 | } |
---|
683 | else { |
---|
684 | mapper_post(stack, 0, 0); |
---|
685 | } |
---|
686 | } |
---|
687 | |
---|
688 | if (stack_counter > 0) |
---|
689 | stack->pop(stack_counter); |
---|
690 | } |
---|
691 | |
---|
692 | void ALI_PREALIGNER::mapper(ALI_TSTACK < unsigned char >*stack, unsigned long pos_x, unsigned long pos_y) { |
---|
693 | // generate a stack of operations by taking every path |
---|
694 | unsigned char value; |
---|
695 | unsigned long stack_counter = 0; |
---|
696 | |
---|
697 | value = path_map->get_value(pos_x, pos_y); |
---|
698 | |
---|
699 | if (pos_x == 0 || pos_y == 0) { |
---|
700 | if (value & ALI_UP) { |
---|
701 | stack->push(ALI_PREALIGNER_DEL); |
---|
702 | if (pos_y == 0) |
---|
703 | mapper_post(stack, pos_x + 1, 0); |
---|
704 | else |
---|
705 | mapper(stack, pos_x, pos_y - 1); |
---|
706 | stack->pop(); |
---|
707 | } |
---|
708 | if (value & ALI_DIAG) { |
---|
709 | stack->push(ALI_PREALIGNER_SUB); |
---|
710 | if (pos_y > 0) { |
---|
711 | mapper_post(stack, 0, pos_y); |
---|
712 | } |
---|
713 | else { |
---|
714 | if (pos_x > 0) { |
---|
715 | mapper_post(stack, pos_x, 0); |
---|
716 | } |
---|
717 | else { |
---|
718 | mapper_post(stack, 0, 0); |
---|
719 | } |
---|
720 | } |
---|
721 | stack->pop(); |
---|
722 | } |
---|
723 | if (value & ALI_LEFT) { |
---|
724 | stack->push(ALI_PREALIGNER_INS); |
---|
725 | if (pos_x == 0) |
---|
726 | mapper_post(stack, 0, pos_y + 1); |
---|
727 | else |
---|
728 | mapper(stack, pos_x - 1, pos_y); |
---|
729 | stack->pop(); |
---|
730 | } |
---|
731 | return; |
---|
732 | } |
---|
733 | // follow an unique path |
---|
734 | while (value == ALI_UP || value == ALI_DIAG || value == ALI_LEFT) { |
---|
735 | stack_counter++; |
---|
736 | switch (value) { |
---|
737 | case ALI_UP: |
---|
738 | stack->push(ALI_PREALIGNER_DEL); |
---|
739 | pos_y--; |
---|
740 | break; |
---|
741 | case ALI_DIAG: |
---|
742 | stack->push(ALI_PREALIGNER_SUB); |
---|
743 | pos_x--; |
---|
744 | pos_y--; |
---|
745 | break; |
---|
746 | case ALI_LEFT: |
---|
747 | stack->push(ALI_PREALIGNER_INS); |
---|
748 | pos_x--; |
---|
749 | break; |
---|
750 | } |
---|
751 | |
---|
752 | value = path_map->get_value(pos_x, pos_y); |
---|
753 | |
---|
754 | if (pos_x == 0 || pos_y == 0) { |
---|
755 | if (value & ALI_UP) { |
---|
756 | stack->push(ALI_PREALIGNER_DEL); |
---|
757 | if (pos_y == 0) |
---|
758 | mapper_post(stack, pos_x + 1, 0); |
---|
759 | else |
---|
760 | mapper(stack, pos_x, pos_y - 1); |
---|
761 | stack->pop(); |
---|
762 | } |
---|
763 | if (value & ALI_DIAG) { |
---|
764 | stack->push(ALI_PREALIGNER_SUB); |
---|
765 | if (pos_y > 0) { |
---|
766 | mapper_post(stack, 0, pos_y); |
---|
767 | } |
---|
768 | else { |
---|
769 | if (pos_x > 0) { |
---|
770 | mapper_post(stack, pos_x, 0); |
---|
771 | } |
---|
772 | else { |
---|
773 | mapper_post(stack, 0, 0); |
---|
774 | } |
---|
775 | } |
---|
776 | stack->pop(); |
---|
777 | } |
---|
778 | if (value & ALI_LEFT) { |
---|
779 | stack->push(ALI_PREALIGNER_INS); |
---|
780 | if (pos_x == 0) |
---|
781 | mapper_post(stack, 0, pos_y + 1); |
---|
782 | else |
---|
783 | mapper(stack, pos_x - 1, pos_y); |
---|
784 | stack->pop(); |
---|
785 | } |
---|
786 | if (stack_counter > 0) |
---|
787 | stack->pop(stack_counter); |
---|
788 | |
---|
789 | return; |
---|
790 | } |
---|
791 | } |
---|
792 | |
---|
793 | if (value & ALI_UP) { |
---|
794 | stack->push(ALI_PREALIGNER_DEL); |
---|
795 | mapper(stack, pos_x, pos_y - 1); |
---|
796 | stack->pop(); |
---|
797 | } |
---|
798 | if (value & ALI_DIAG) { |
---|
799 | stack->push(ALI_PREALIGNER_SUB); |
---|
800 | mapper(stack, pos_x - 1, pos_y - 1); |
---|
801 | stack->pop(); |
---|
802 | } |
---|
803 | if (value & ALI_LEFT) { |
---|
804 | stack->push(ALI_PREALIGNER_INS); |
---|
805 | mapper(stack, pos_x - 1, pos_y); |
---|
806 | stack->pop(); |
---|
807 | } |
---|
808 | if (stack_counter > 0) |
---|
809 | stack->pop(stack_counter); |
---|
810 | } |
---|
811 | |
---|
812 | |
---|
813 | void ALI_PREALIGNER::make_map() { |
---|
814 | // make the result map from the path matrix |
---|
815 | unsigned long number_of_sol; |
---|
816 | ALI_TSTACK < unsigned char >*stack; |
---|
817 | |
---|
818 | stack = new ALI_TSTACK < unsigned char >(end_x - start_x + end_y - start_y + 3); |
---|
819 | ali_out_of_memory_if(!stack); |
---|
820 | |
---|
821 | number_of_sol = number_of_solutions(); |
---|
822 | printf("%lu solutions generated\n", number_of_sol); |
---|
823 | |
---|
824 | if (number_of_sol == 0 || number_of_sol > result_mask_counter) { |
---|
825 | ali_message("Starting random mapping"); |
---|
826 | do { |
---|
827 | mapper_random(stack, end_x - start_x, end_y - start_y); |
---|
828 | } while (result_mask_counter > 0); |
---|
829 | } |
---|
830 | else { |
---|
831 | ali_message("Starting systematic mapping"); |
---|
832 | mapper(stack, end_x - start_x, end_y - start_y); |
---|
833 | } |
---|
834 | |
---|
835 | delete stack; |
---|
836 | |
---|
837 | ali_message("Mapping finished"); |
---|
838 | } |
---|
839 | |
---|
840 | |
---|
841 | void ALI_PREALIGNER::generate_approximation(ALI_SUB_SOLUTION * work_sol) { |
---|
842 | // generate an approximation of a complete solution |
---|
843 | ALI_MAP *map; |
---|
844 | ALI_SEQUENCE *seq; |
---|
845 | char *ins_marker; |
---|
846 | float binding_costs; |
---|
847 | |
---|
848 | map = work_sol->make_one_map(); |
---|
849 | if (!map) |
---|
850 | ali_fatal_error("Can't make one map", |
---|
851 | "ALI_PREALIGNER::generate_approximation()"); |
---|
852 | |
---|
853 | seq = map->sequence_without_inserts(profile->sequence()); |
---|
854 | binding_costs = profile->w_binding(map->first_base(), seq); |
---|
855 | delete seq; |
---|
856 | |
---|
857 | ins_marker = map->insert_marker(); |
---|
858 | |
---|
859 | result_approx.insert(map, ins_marker, binding_costs); |
---|
860 | } |
---|
861 | |
---|
862 | void ALI_PREALIGNER::mapper_approximation(unsigned long area_no, ALI_TARRAY < ALI_TLIST < ALI_MAP * >*>*map_lists, ALI_SUB_SOLUTION * work_sol) { |
---|
863 | // combine subsolutions for an approximation |
---|
864 | ALI_TLIST < ALI_MAP * >*map_list; |
---|
865 | ALI_MAP *map; |
---|
866 | |
---|
867 | // stop mapping at last area |
---|
868 | if (area_no > map_lists->size()) |
---|
869 | return; |
---|
870 | |
---|
871 | if (area_no == map_lists->size()) { |
---|
872 | generate_approximation(work_sol); |
---|
873 | return; |
---|
874 | } |
---|
875 | // map area number 'area_no' |
---|
876 | map_list = map_lists->get(area_no); |
---|
877 | if (map_list->is_empty()) |
---|
878 | ali_fatal_error("Found empty list", |
---|
879 | "ALI_PREALIGNER::mapper_approximation()"); |
---|
880 | |
---|
881 | // combine all possibilities |
---|
882 | map = map_list->first(); |
---|
883 | do { |
---|
884 | if (!work_sol->insert(map)) |
---|
885 | ali_fatal_error("Can't insert map", |
---|
886 | "ALI_PREALIGNER::mapper_approximation()"); |
---|
887 | |
---|
888 | mapper_approximation(area_no + 1, map_lists, work_sol); |
---|
889 | |
---|
890 | if (!work_sol->delete_map(map)) |
---|
891 | ali_fatal_error("Can't delete map", |
---|
892 | "ALI_PREALIGNER::mapper_approximation()"); |
---|
893 | |
---|
894 | if (map_list->has_next()) |
---|
895 | map = map_list->next(); |
---|
896 | else |
---|
897 | map = NULp; |
---|
898 | } while (map); |
---|
899 | } |
---|
900 | |
---|
901 | void ALI_PREALIGNER::make_approximation(ALI_PREALIGNER_CONTEXT * context) { |
---|
902 | // Make an approximation by aligning the undefined sections |
---|
903 | ALI_SUB_SOLUTION *work_solution; |
---|
904 | ALI_ALIGNER_CONTEXT aligner_context; |
---|
905 | ALI_TARRAY < ALI_TLIST < ALI_MAP * >*>*map_lists; |
---|
906 | ALI_ALIGNER *aligner; |
---|
907 | unsigned long area_number; |
---|
908 | unsigned long start_seq, end_seq, start_ref, end_ref; |
---|
909 | |
---|
910 | ali_message("Align free areas"); |
---|
911 | |
---|
912 | work_solution = new ALI_SUB_SOLUTION(sub_solution); |
---|
913 | |
---|
914 | aligner_context.max_number_of_maps = context->max_number_of_maps_aligner; |
---|
915 | |
---|
916 | area_number = sub_solution->number_of_free_areas(); |
---|
917 | printf("number of areas = %ld (Maximal %ld solutions)\n", area_number, |
---|
918 | aligner_context.max_number_of_maps); |
---|
919 | |
---|
920 | map_lists = new ALI_TARRAY < ALI_TLIST < ALI_MAP * >*>(area_number); |
---|
921 | |
---|
922 | // generate Solutions for all free areas |
---|
923 | area_number = 0; |
---|
924 | while (sub_solution->free_area(&start_seq, &end_seq, &start_ref, &end_ref, |
---|
925 | area_number)) { |
---|
926 | printf("aligning area %ld (%ld,%ld) - (%ld,%ld)\n", |
---|
927 | area_number, start_seq, end_seq, start_ref, end_ref); |
---|
928 | |
---|
929 | aligner = new ALI_ALIGNER(&aligner_context, profile, |
---|
930 | start_seq, end_seq, start_ref, end_ref); |
---|
931 | map_lists->set(area_number, aligner->solutions()); |
---|
932 | |
---|
933 | printf("%d solutions generated\n", |
---|
934 | map_lists->get(area_number)->cardinality()); |
---|
935 | |
---|
936 | delete aligner; |
---|
937 | area_number++; |
---|
938 | } |
---|
939 | |
---|
940 | // combine and evaluate the solutions |
---|
941 | mapper_approximation(0, map_lists, work_solution); |
---|
942 | |
---|
943 | delete work_solution; |
---|
944 | |
---|
945 | ali_message("Free areas aligned"); |
---|
946 | } |
---|
947 | |
---|
948 | |
---|
949 | unsigned long ALI_PREALIGNER::number_of_solutions() { |
---|
950 | // approximate the number of solutions in the pathmap |
---|
951 | #define INFINIT 1000000 |
---|
952 | #define ADD(a, b) if (a>=INFINIT || b>=INFINIT) { a = INFINIT; } else { a += b; } |
---|
953 | |
---|
954 | unsigned long pos_x, pos_y, col_length; |
---|
955 | unsigned long number; |
---|
956 | unsigned char value; |
---|
957 | unsigned long *column1, *column2, *elem_akt_col, *elem_left_col; |
---|
958 | |
---|
959 | col_length = end_y - start_y + 1; |
---|
960 | column1 = (unsigned long *) CALLOC((unsigned int) col_length, sizeof(unsigned long)); |
---|
961 | column2 = (unsigned long *) CALLOC((unsigned int) col_length, sizeof(unsigned long)); |
---|
962 | ali_out_of_memory_if(!column1 || !column2); |
---|
963 | |
---|
964 | ali_message("Start: Checking number of solutions"); |
---|
965 | |
---|
966 | if (end_x - (start_x & 0x01)) { |
---|
967 | elem_akt_col = column1 + col_length - 1; |
---|
968 | elem_left_col = column2 + col_length - 1; |
---|
969 | } |
---|
970 | else { |
---|
971 | elem_akt_col = column2 + col_length - 1; |
---|
972 | elem_left_col = column1 + col_length - 1; |
---|
973 | } |
---|
974 | |
---|
975 | number = 0; |
---|
976 | *elem_akt_col = 1; |
---|
977 | for (pos_x = end_x - start_x; pos_x > 0;) { |
---|
978 | *(elem_left_col) = 0; |
---|
979 | for (pos_y = end_y - start_y; pos_y > 0; pos_y--) { |
---|
980 | *(elem_left_col - 1) = 0; |
---|
981 | value = path_map->get_value(pos_x, pos_y); |
---|
982 | if (value & ALI_UP) { |
---|
983 | ADD(*(elem_akt_col - 1), *elem_akt_col); |
---|
984 | } |
---|
985 | if (value & ALI_DIAG) { |
---|
986 | ADD(*(elem_left_col - 1), *elem_akt_col); |
---|
987 | } |
---|
988 | if (value & ALI_LEFT) { |
---|
989 | ADD(*(elem_left_col), *elem_akt_col); |
---|
990 | } |
---|
991 | elem_akt_col--; |
---|
992 | elem_left_col--; |
---|
993 | } |
---|
994 | value = path_map->get_value(pos_x, 0); |
---|
995 | if (value & ALI_UP) { |
---|
996 | ADD(number, *elem_akt_col); |
---|
997 | } |
---|
998 | if (value & ALI_DIAG) { |
---|
999 | ADD(number, *elem_akt_col); |
---|
1000 | } |
---|
1001 | if (value & ALI_LEFT) { |
---|
1002 | ADD(*(elem_left_col), *elem_akt_col); |
---|
1003 | } |
---|
1004 | pos_x--; |
---|
1005 | // toggle the columns |
---|
1006 | if (pos_x & 0x01) { |
---|
1007 | elem_akt_col = column1 + col_length - 1; |
---|
1008 | elem_left_col = column2 + col_length - 1; |
---|
1009 | } |
---|
1010 | else { |
---|
1011 | elem_akt_col = column2 + col_length - 1; |
---|
1012 | elem_left_col = column1 + col_length - 1; |
---|
1013 | } |
---|
1014 | } |
---|
1015 | |
---|
1016 | for (pos_y = end_y - start_y; pos_y > 0; pos_y--) { |
---|
1017 | value = path_map->get_value(0, pos_y); |
---|
1018 | if (value & ALI_UP) { |
---|
1019 | ADD(*(elem_akt_col - 1), *elem_akt_col); |
---|
1020 | } |
---|
1021 | if (value & ALI_DIAG) { |
---|
1022 | ADD(number, *elem_akt_col); |
---|
1023 | } |
---|
1024 | if (value & ALI_LEFT) { |
---|
1025 | ADD(number, *elem_akt_col); |
---|
1026 | } |
---|
1027 | elem_akt_col--; |
---|
1028 | } |
---|
1029 | |
---|
1030 | ADD(number, *elem_akt_col); |
---|
1031 | |
---|
1032 | ali_message("End: Checking number of solutions"); |
---|
1033 | |
---|
1034 | free(column1); |
---|
1035 | free(column2); |
---|
1036 | |
---|
1037 | return number; |
---|
1038 | } |
---|
1039 | |
---|
1040 | |
---|
1041 | ALI_PREALIGNER::ALI_PREALIGNER(ALI_PREALIGNER_CONTEXT * context, |
---|
1042 | ALI_PROFILE * prof, |
---|
1043 | unsigned long sx, unsigned long ex, |
---|
1044 | unsigned long sy, unsigned long ey) |
---|
1045 | { |
---|
1046 | profile = prof; |
---|
1047 | |
---|
1048 | start_x = sx; |
---|
1049 | end_x = ex; |
---|
1050 | start_y = sy; |
---|
1051 | end_y = ey; |
---|
1052 | |
---|
1053 | result_mask_counter = context->max_number_of_maps; |
---|
1054 | |
---|
1055 | ali_message("Prealigning"); |
---|
1056 | |
---|
1057 | path_map = new ALI_PATHMAP(end_x - start_x + 1, end_y - start_y + 1); |
---|
1058 | |
---|
1059 | calculate_matrix(); |
---|
1060 | |
---|
1061 | make_map(); |
---|
1062 | |
---|
1063 | result_mask.delete_expensive(context, profile); |
---|
1064 | delete path_map; |
---|
1065 | |
---|
1066 | generate_solution(result_mask.map); |
---|
1067 | |
---|
1068 | make_approximation(context); |
---|
1069 | |
---|
1070 | ali_message("Prealigning finished"); |
---|
1071 | } |
---|