1 | /* |
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2 | * gfanlib_zfan.cpp |
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3 | * |
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4 | * Created on: Nov 17, 2010 |
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5 | * Author: anders |
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6 | */ |
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7 | |
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8 | #include "gfanlib_zfan.h" |
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9 | #include "gfanlib_polymakefile.h" |
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10 | |
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11 | using namespace std; |
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12 | |
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13 | namespace gfan |
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14 | { |
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15 | static int numberOf(std::vector<std::vector<IntVector> > T, int dimension) |
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16 | { |
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17 | assert(dimension>=0); |
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18 | if(dimension>=(int)T.size())return 0; |
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19 | return T[dimension].size(); |
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20 | } |
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21 | std::vector<std::vector<IntVector> > &ZFan::table(bool orbit, bool maximal)const |
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22 | { |
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23 | if(orbit) |
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24 | { |
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25 | if(maximal)return maximalConeOrbits; |
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26 | return coneOrbits; |
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27 | } |
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28 | if(maximal)return maximalCones; |
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29 | return cones; |
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30 | } |
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31 | int ZFan::numberOfConesOfDimension(int d, bool orbit, bool maximal)const |
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32 | { |
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33 | this->ensureComplex(); |
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34 | return numberOf(table(orbit,maximal),d); |
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35 | } |
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36 | ZCone ZFan::getCone(int dimension, int index, bool orbit, bool maximal)const |
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37 | { |
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38 | IntVector indices=getConeIndices(dimension,index,orbit,maximal); |
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39 | ZCone ret=this->complex->makeZCone(indices); |
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40 | if(maximal)ret.setMultiplicity(((orbit)?multiplicitiesOrbits:multiplicities)[dimension][index]); |
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41 | return ret; |
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42 | } |
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43 | IntVector ZFan::getConeIndices(int dimension, int index, bool orbit, bool maximal)const |
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44 | { |
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45 | assert(index>=0); |
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46 | assert(index<numberOfConesOfDimension(dimension,orbit,maximal)); |
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47 | return table(orbit,maximal)[dimension][index]; |
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48 | } |
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49 | void ZFan::ensureConeCollection()const |
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50 | { |
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51 | if(!coneCollection) |
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52 | { |
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53 | assert(0); |
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54 | } |
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55 | } |
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56 | void ZFan::ensureComplex()const |
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57 | { |
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58 | if(!complex) |
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59 | { |
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60 | assert(coneCollection); |
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61 | complex = new SymmetricComplex(coneCollection->toSymmetricComplex()); |
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62 | complex->buildConeLists(false,false,&cones); |
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63 | complex->buildConeLists(true,false,&maximalCones,&multiplicities); |
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64 | complex->buildConeLists(false,true,&coneOrbits); |
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65 | complex->buildConeLists(true,true,&maximalConeOrbits,&multiplicitiesOrbits); |
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66 | } |
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67 | } |
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68 | void ZFan::killComplex()const |
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69 | { |
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70 | if(complex) |
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71 | { |
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72 | delete complex; |
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73 | complex=0; |
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74 | } |
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75 | } |
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76 | |
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77 | ZFan::ZFan(std::istream &f): |
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78 | coneCollection(0), |
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79 | complex(0) |
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80 | { |
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81 | // PolyhedralFan PolyhedralFan::readFan(string const &filename, bool onlyMaximal, IntegerVector *w, set<int> const *coneIndices, SymmetryGroup const *sym, bool readCompressedIfNotSym) |
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82 | PolymakeFile inFile; |
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83 | //assert(0); |
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84 | inFile.open(f); |
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85 | |
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86 | int n=inFile.readCardinalProperty("AMBIENT_DIM").toInt(); |
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87 | int nRays=inFile.readCardinalProperty("N_RAYS").toInt(); |
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88 | ZMatrix rays=inFile.readMatrixProperty("RAYS",nRays,n); |
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89 | int linealityDim=inFile.readCardinalProperty("LINEALITY_DIM").toInt(); |
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90 | ZMatrix linealitySpace=inFile.readMatrixProperty("LINEALITY_SPACE",linealityDim,n); |
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91 | |
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92 | SymmetryGroup sym(n); |
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93 | bool readingSymmetricComplex=false; |
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94 | if(inFile.hasProperty("SYMMETRY_GENERATORS")) |
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95 | { |
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96 | sym.computeClosure(ZToIntMatrix(inFile.readMatrixProperty("SYMMETRY_GENERATORS",-1,n))); |
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97 | readingSymmetricComplex=true; |
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98 | } |
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99 | |
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100 | |
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101 | const char *sectionName=0; |
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102 | const char *sectionNameMultiplicities=0; |
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103 | if(readingSymmetricComplex) |
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104 | { |
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105 | if(inFile.hasProperty("MAXIMAL_CONES_ORBITS")) |
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106 | { |
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107 | sectionName="MAXIMAL_CONES_ORBITS"; |
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108 | sectionNameMultiplicities="MULTIPLICITIES_ORBITS"; |
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109 | } |
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110 | else |
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111 | { |
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112 | sectionName="CONES_ORBITS"; |
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113 | } |
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114 | } |
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115 | else |
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116 | { |
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117 | if(inFile.hasProperty("MAXIMAL_CONES")) |
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118 | { |
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119 | sectionName="MAXIMAL_CONES"; |
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120 | sectionNameMultiplicities="MULTIPLICITIES"; |
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121 | } |
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122 | else |
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123 | { |
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124 | sectionName="CONES"; |
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125 | } |
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126 | } |
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127 | |
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128 | /* if(sym || readCompressedIfNotSym) |
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129 | { |
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130 | sectionName=(onlyMaximal)?"MAXIMAL_CONES_ORBITS":"CONES_ORBITS"; |
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131 | sectionNameMultiplicities=(onlyMaximal)?"MULTIPLICITIES_ORBITS":"DUMMY123"; |
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132 | } |
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133 | else |
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134 | */ |
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135 | /*{ |
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136 | sectionName="MAXIMAL_CONES";//(onlyMaximal)?"MAXIMAL_CONES":"CONES"; |
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137 | sectionNameMultiplicities="MULTIPLICITIES";//(onlyMaximal)?"MULTIPLICITIES":"DUMMY123"; |
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138 | } |
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139 | */ |
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140 | // ZVector w2(n); |
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141 | // if(w==0)w=&w2; |
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142 | |
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143 | // SymmetryGroup sym2(n); |
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144 | // if(sym==0)sym=&sym2; |
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145 | |
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146 | /* sectionName=0; |
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147 | if(inFile.hasProperty("MAXIMAL_CONES")) |
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148 | sectionName="MAXIMAL_CONES"; |
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149 | else |
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150 | { if(inFile.hasProperty("CONES")) |
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151 | sectionName="CONES"; |
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152 | else |
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153 | assert(0); |
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154 | }*/ |
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155 | |
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156 | vector<list<int> > cones=inFile.readMatrixIncidenceProperty(sectionName); |
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157 | // IntegerVectorList r; |
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158 | |
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159 | bool hasMultiplicities=inFile.hasProperty(sectionNameMultiplicities); |
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160 | ZMatrix multiplicities(0,0); |
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161 | if(hasMultiplicities)multiplicities=inFile.readMatrixProperty(sectionNameMultiplicities,cones.size(),1); |
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162 | |
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163 | ZFan ret(sym); |
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164 | |
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165 | // log2 cerr<< "Number of orbits to expand "<<cones.size()<<endl; |
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166 | for(unsigned i=0;i<cones.size();i++) |
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167 | // if(coneIndices==0 || coneIndices->count(i)) |
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168 | { |
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169 | // log2 cerr<<"Expanding symmetries of cone"<<endl; |
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170 | { |
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171 | ZMatrix coneRays(0,n); |
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172 | for(list<int>::const_iterator j=cones[i].begin();j!=cones[i].end();j++) |
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173 | coneRays.appendRow((rays[*j])); |
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174 | ZCone C=ZCone::givenByRays(coneRays,linealitySpace); |
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175 | if(hasMultiplicities)C.setMultiplicity(multiplicities[i][0]); |
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176 | // for(SymmetryGroup::ElementContainer::const_iterator perm=sym->elements.begin();perm!=sym->elements.end();perm++) |
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177 | { |
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178 | // if(C.contains(perm.applyInverse(*w))) |
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179 | // { |
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180 | // PolyhedralCone C2=C.permuted(*perm); |
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181 | // C2.canonicalize(); |
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182 | // ret.insert(C2); |
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183 | // } |
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184 | ret.insert(C); |
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185 | } |
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186 | } |
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187 | } |
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188 | // return ret; |
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189 | *this=ret; |
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190 | } |
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191 | |
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192 | ZFan::~ZFan() |
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193 | { |
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194 | if(coneCollection) |
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195 | { |
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196 | delete coneCollection; |
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197 | coneCollection=0; |
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198 | } |
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199 | if(complex) |
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200 | { |
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201 | delete complex; |
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202 | complex=0; |
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203 | } |
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204 | } |
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205 | ZFan::ZFan(ZFan const& f): |
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206 | coneCollection(0), |
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207 | complex(0), |
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208 | cones(f.table(0,0)), |
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209 | maximalCones(f.table(0,1)), |
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210 | coneOrbits(f.table(1,0)), |
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211 | maximalConeOrbits(f.table(1,1)) |
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212 | { |
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213 | if(f.coneCollection) |
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214 | { |
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215 | coneCollection=new PolyhedralFan(*f.coneCollection); |
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216 | } |
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217 | if(f.complex) |
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218 | { |
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219 | complex=new SymmetricComplex(*f.complex); |
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220 | } |
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221 | } |
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222 | ZFan& ZFan::operator=(ZFan const &f) |
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223 | { |
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224 | if(this!=&f) |
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225 | { |
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226 | if(complex) |
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227 | { |
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228 | delete complex; |
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229 | complex=0; |
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230 | } |
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231 | if(coneCollection) |
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232 | { |
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233 | delete coneCollection; |
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234 | coneCollection=0; |
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235 | } |
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236 | if(f.coneCollection) |
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237 | { |
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238 | coneCollection=new PolyhedralFan(*f.coneCollection); |
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239 | } |
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240 | if(f.complex) |
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241 | { |
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242 | complex=new SymmetricComplex(*f.complex); |
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243 | } |
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244 | } |
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245 | return *this; |
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246 | } |
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247 | ZFan::ZFan(int ambientDimension): |
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248 | complex(0) |
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249 | { |
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250 | coneCollection=new PolyhedralFan(ambientDimension); |
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251 | } |
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252 | ZFan::ZFan(SymmetryGroup const &sym_): |
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253 | complex(0) |
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254 | { |
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255 | coneCollection=new PolyhedralFan(sym_); |
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256 | } |
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257 | ZFan ZFan::fullFan(int n) |
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258 | { |
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259 | ZFan ret(n); |
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260 | ret.insert(ZCone(ZMatrix(0,n),ZMatrix(0,n))); |
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261 | return ret; |
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262 | } |
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263 | ZFan ZFan::fullFan(SymmetryGroup const &sym_) |
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264 | { |
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265 | ZFan ret(sym_); |
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266 | ret.insert(ZCone(ZMatrix(0,sym_.sizeOfBaseSet()),ZMatrix(0,sym_.sizeOfBaseSet()))); |
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267 | return ret; |
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268 | } |
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269 | int ZFan::getAmbientDimension()const |
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270 | { |
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271 | if(complex) |
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272 | return complex->getAmbientDimension(); |
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273 | if(coneCollection) |
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274 | return coneCollection->getAmbientDimension(); |
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275 | assert(0); |
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276 | return 0; |
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277 | } |
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278 | int ZFan::getCodimension()const |
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279 | { |
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280 | if(complex) |
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281 | return complex->getAmbientDimension()-complex->getMaxDim(); |
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282 | if(coneCollection) |
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283 | { |
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284 | if(coneCollection->isEmpty()) |
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285 | return -1; |
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286 | else |
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287 | return coneCollection->getAmbientDimension()-coneCollection->getMaxDimension(); |
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288 | } |
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289 | assert(0); |
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290 | return 0; |
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291 | } |
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292 | int ZFan::getDimension()const |
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293 | { |
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294 | if(complex) |
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295 | return complex->getMaxDim(); |
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296 | if(coneCollection) |
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297 | { |
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298 | if(coneCollection->isEmpty()) |
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299 | return -1; |
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300 | else |
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301 | return coneCollection->getMaxDimension(); |
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302 | } |
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303 | assert(0); |
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304 | return 0; |
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305 | } |
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306 | int ZFan::getLinealityDimension()const |
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307 | { |
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308 | if(complex) |
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309 | return complex->getLinDim(); |
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310 | if(coneCollection) |
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311 | { |
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312 | if(coneCollection->isEmpty()) |
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313 | return getAmbientDimension(); |
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314 | else |
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315 | return coneCollection->dimensionOfLinealitySpace(); |
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316 | } |
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317 | assert(0); |
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318 | return 0; |
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319 | } |
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320 | ZVector ZFan::getFVector()const |
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321 | { |
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322 | ensureComplex(); |
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323 | return complex->fvector(); |
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324 | } |
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325 | bool ZFan::isSimplicial()const |
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326 | { |
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327 | ensureComplex(); |
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328 | return complex->isSimplicial(); |
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329 | } |
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330 | bool ZFan::isPure()const |
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331 | { |
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332 | ensureComplex(); |
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333 | return complex->isPure(); |
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334 | } |
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335 | void ZFan::insert(ZCone const &c) |
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336 | { |
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337 | ensureConeCollection(); |
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338 | killComplex(); |
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339 | coneCollection->insert(c); |
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340 | } |
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341 | void ZFan::remove(ZCone const &c) |
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342 | { |
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343 | ensureConeCollection(); |
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344 | killComplex(); |
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345 | coneCollection->remove(c); |
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346 | } |
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347 | |
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348 | /* ZFan::ZFan(int ambientDimension): |
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349 | theFan(ambientDimension) |
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350 | { |
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351 | |
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352 | }*/ |
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353 | /* |
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354 | ZFan::ZFan(SymmetryGroup const &sym): |
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355 | theFan(sym) |
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356 | { |
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357 | } |
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358 | */ |
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359 | |
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360 | std::string ZFan::toString(int flags)const |
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361 | { |
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362 | ensureComplex(); |
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363 | |
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364 | // std::string s=complex->toString(flags); |
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365 | // killComplex(); |
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366 | // return s;//complex->getMinDim(),complex->getMaxDim(),0,0); |
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367 | return complex->toString(flags);//complex->getMinDim(),complex->getMaxDim(),0,0); |
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368 | // return "NEEDTOFIXTHIS"; |
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369 | |
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370 | //return theFan.toString(); |
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371 | } |
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372 | |
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373 | /*int ZFan::getAmbientDimension()const |
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374 | { |
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375 | return theFan.getAmbientDimension(); |
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376 | } |
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377 | |
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378 | |
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379 | void ZFan::insert(ZCone const &c) |
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380 | { |
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381 | theFan.insert(c); |
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382 | } |
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383 | */ |
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384 | /* |
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385 | void ZFan::remove(ZCone const &c) |
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386 | { |
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387 | theFan.remove(c); |
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388 | } |
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389 | */ |
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390 | /* |
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391 | ZFan::coneIterator ZFan::conesBegin()const |
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392 | { |
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393 | return theFan.conesBegin(); |
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394 | } |
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395 | |
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396 | ZFan::coneIterator ZFan::conesEnd()const |
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397 | { |
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398 | return theFan.conesEnd(); |
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399 | } |
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400 | */ |
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401 | // static PolyhedralFan readFan(string const &filename, bool onlyMaximal=true, IntegerVector *w=0, set<int> const *conesIndice=0, SymmetryGroup const *sym=0, bool readCompressedIfNotSym=false); |
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402 | |
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403 | } |
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