1 | #include "config.h" |
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2 | #include <kernel/mod2.h> |
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3 | #ifdef HAVE_FANS |
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4 | |
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5 | #include <Singular/ipid.h> |
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6 | #include <Singular/blackbox.h> |
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7 | #include <omalloc/omalloc.h> |
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8 | #include <kernel/febase.h> |
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9 | #include <kernel/longrat.h> |
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10 | #include <Singular/subexpr.h> |
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11 | #include <kernel/bbfan.h> |
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12 | #include <kernel/bbcone.h> |
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13 | #include <ipshell.h> |
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14 | #include <misc/intvec.h> |
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15 | #include <sstream> |
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16 | #include <gfanlib/gfanlib.h> |
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17 | |
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18 | int fanID; |
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19 | |
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20 | void *bbfan_Init(blackbox *b) |
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21 | { |
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22 | return (void*)(new gfan::ZFan(0)); |
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23 | } |
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24 | |
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25 | void bbfan_destroy(blackbox *b, void *d) |
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26 | { |
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27 | if (d!=NULL) |
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28 | { |
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29 | gfan::ZFan* zf = (gfan::ZFan*) d; |
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30 | delete zf; |
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31 | } |
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32 | } |
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33 | |
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34 | |
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35 | char * bbfan_String(blackbox *b, void *d) |
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36 | { |
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37 | if (d==NULL) return omStrDup("invalid object"); |
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38 | else |
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39 | { |
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40 | gfan::ZFan* zf = (gfan::ZFan*)d; |
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41 | std::string s = zf->toString(); |
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42 | char* ns = (char*) omAlloc(strlen(s.c_str()) + 10); |
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43 | sprintf(ns, "%s", s.c_str()); |
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44 | omCheckAddr(ns); |
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45 | return ns; |
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46 | } |
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47 | } |
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48 | |
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49 | void * bbfan_Copy(blackbox*b, void *d) |
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50 | { |
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51 | gfan::ZFan* zf = (gfan::ZFan*)d; |
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52 | gfan::ZFan* newZf = new gfan::ZFan(*zf); |
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53 | return newZf; |
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54 | } |
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55 | |
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56 | BOOLEAN bbfan_Assign(leftv l, leftv r) |
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57 | { |
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58 | gfan::ZFan* newZf; |
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59 | if (r==NULL) |
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60 | { |
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61 | if (l->Data()!=NULL) |
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62 | { |
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63 | gfan::ZFan* zd = (gfan::ZFan*)l->Data(); |
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64 | delete zd; |
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65 | } |
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66 | newZf = new gfan::ZFan(0); |
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67 | } |
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68 | else if (r->Typ()==l->Typ()) |
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69 | { |
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70 | if (l->Data()!=NULL) |
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71 | { |
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72 | gfan::ZFan* zd = (gfan::ZFan*)l->Data(); |
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73 | delete zd; |
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74 | } |
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75 | gfan::ZFan* zf = (gfan::ZFan*)r->Data(); |
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76 | newZf = new gfan::ZFan(*zf); |
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77 | } |
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78 | else if (r->Typ()==INT_CMD) |
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79 | { |
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80 | int ambientDim = (int)(long)r->Data(); |
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81 | if (ambientDim < 0) |
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82 | { |
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83 | Werror("expected an int >= 0, but got %d", ambientDim); |
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84 | return TRUE; |
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85 | } |
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86 | if (l->Data()!=NULL) |
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87 | { |
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88 | gfan::ZFan* zd = (gfan::ZFan*)l->Data(); |
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89 | delete zd; |
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90 | } |
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91 | newZf = new gfan::ZFan(ambientDim); |
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92 | } |
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93 | else |
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94 | { |
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95 | Werror("assign Type(%d) = Type(%d) not implemented",l->Typ(),r->Typ()); |
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96 | return TRUE; |
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97 | } |
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98 | |
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99 | if (l->rtyp==IDHDL) |
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100 | { |
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101 | IDDATA((idhdl)l->data)=(char *)newZf; |
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102 | } |
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103 | else |
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104 | { |
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105 | l->data=(void *)newZf; |
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106 | } |
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107 | return FALSE; |
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108 | } |
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109 | |
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110 | /* returns 1 iff all rows consist of entries 1..n, |
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111 | where n is the number of columns of the provided |
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112 | intmat; 0 otherwise */ |
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113 | static gfan::IntMatrix permutationIntMatrix(const intvec* iv) |
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114 | { |
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115 | int cc = iv->cols(); |
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116 | int rr = iv->rows(); |
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117 | intvec* ivCopy = new intvec(rr, cc, 0); |
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118 | for (int r = 1; r <= rr; r++) |
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119 | for (int c = 1; c <= cc; c++) |
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120 | IMATELEM(*ivCopy, r, c) = IMATELEM(*iv, r, c) - 1; |
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121 | gfan::ZMatrix zm = intmat2ZMatrix(ivCopy); |
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122 | gfan::IntMatrix* im = new gfan::IntMatrix(gfan::ZToIntMatrix(zm)); |
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123 | return *im; |
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124 | } |
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125 | static BOOLEAN jjFANEMPTY_I(leftv res, leftv v) |
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126 | { |
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127 | int ambientDim = (int)(long)v->Data(); |
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128 | if (ambientDim < 0) |
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129 | { |
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130 | Werror("expected non-negative ambient dim but got %d", ambientDim); |
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131 | return TRUE; |
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132 | } |
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133 | res->rtyp = fanID; |
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134 | res->data = (char*)(new gfan::ZFan(ambientDim)); |
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135 | return FALSE; |
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136 | } |
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137 | static BOOLEAN jjFANEMPTY_IM(leftv res, leftv v) |
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138 | { |
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139 | intvec* permutations = (intvec*)v->Data(); |
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140 | int ambientDim = permutations->cols(); |
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141 | gfan::IntMatrix im = permutationIntMatrix(permutations); |
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142 | if (!gfan::Permutation::arePermutations(im)) |
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143 | { |
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144 | Werror("provided intmat contains invalid permutations of {1, ..., %d}", ambientDim); |
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145 | return TRUE; |
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146 | } |
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147 | gfan::SymmetryGroup sg = gfan::SymmetryGroup(ambientDim); |
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148 | sg.computeClosure(im); |
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149 | res->rtyp = fanID; |
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150 | res->data = (char*)(new gfan::ZFan(sg)); |
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151 | return FALSE; |
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152 | } |
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153 | |
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154 | BOOLEAN fan_empty(leftv res, leftv args) |
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155 | { |
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156 | leftv u = args; |
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157 | if (u == NULL) |
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158 | { |
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159 | res->rtyp = fanID; |
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160 | res->data = (void*)(new gfan::ZFan(0)); |
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161 | return FALSE; |
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162 | } |
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163 | if ((u != NULL) && (u->Typ() == INT_CMD)) |
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164 | { |
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165 | if (u->next == NULL) return jjFANEMPTY_I(res, u); |
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166 | } |
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167 | if ((u != NULL) && (u->Typ() == INTMAT_CMD)) |
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168 | { |
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169 | if (u->next == NULL) return jjFANEMPTY_IM(res, u); |
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170 | } |
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171 | WerrorS("fan_empty: unexpected parameters"); |
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172 | return TRUE; |
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173 | } |
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174 | |
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175 | static BOOLEAN jjFANFULL_I(leftv res, leftv v) |
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176 | { |
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177 | int ambientDim = (int)(long)v->Data(); |
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178 | if (ambientDim < 0) |
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179 | { |
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180 | Werror("expected non-negative ambient dim but got %d", ambientDim); |
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181 | return TRUE; |
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182 | } |
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183 | gfan::ZFan* zf = new gfan::ZFan(gfan::ZFan::fullFan(ambientDim)); |
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184 | res->rtyp = fanID; |
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185 | res->data = (char*)zf; |
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186 | return FALSE; |
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187 | } |
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188 | static BOOLEAN jjFANFULL_IM(leftv res, leftv v) |
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189 | { |
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190 | intvec* permutations = (intvec*)v->Data(); |
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191 | int ambientDim = permutations->cols(); |
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192 | gfan::IntMatrix im = permutationIntMatrix(permutations); |
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193 | if (!gfan::Permutation::arePermutations(im)) |
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194 | { |
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195 | Werror("provided intmat contains invalid permutations of {1, ..., %d}", ambientDim); |
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196 | return TRUE; |
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197 | } |
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198 | gfan::SymmetryGroup sg = gfan::SymmetryGroup(ambientDim); |
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199 | sg.computeClosure(im); |
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200 | gfan::ZFan* zf = new gfan::ZFan(gfan::ZFan::fullFan(sg)); |
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201 | res->rtyp = fanID; |
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202 | res->data = (char*)zf; |
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203 | return FALSE; |
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204 | } |
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205 | |
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206 | BOOLEAN fan_full(leftv res, leftv args) |
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207 | { |
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208 | /* { |
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209 | gfan::ZFan f(2); |
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210 | std::cout<<f.toString(); |
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211 | f.insert(gfan::ZCone::positiveOrthant(2)); |
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212 | std::cout<<f.toString(); |
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213 | }*/ |
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214 | |
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215 | |
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216 | leftv u = args; |
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217 | if (u == NULL) |
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218 | { |
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219 | res->rtyp = fanID; |
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220 | res->data = (void*)(new gfan::ZFan(0)); |
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221 | return FALSE; |
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222 | } |
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223 | if ((u != NULL) && (u->Typ() == INT_CMD)) |
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224 | { |
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225 | if (u->next == NULL) return jjFANFULL_I(res, u); |
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226 | } |
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227 | if ((u != NULL) && (u->Typ() == INTMAT_CMD)) |
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228 | { |
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229 | if (u->next == NULL) return jjFANFULL_IM(res, u); |
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230 | } |
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231 | WerrorS("fan_full: unexpected parameters"); |
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232 | return TRUE; |
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233 | } |
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234 | |
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235 | BOOLEAN insert_cone(leftv res, leftv args) |
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236 | { |
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237 | leftv u=args; |
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238 | if ((u != NULL) && (u->Typ() == fanID)) |
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239 | { |
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240 | leftv v=u->next; |
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241 | if ((v != NULL) && (v->Typ() == coneID)) |
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242 | { |
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243 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
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244 | gfan::ZCone* zc = (gfan::ZCone*)v->Data(); |
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245 | zc->canonicalize(); |
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246 | zf->insert(*zc); |
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247 | res->rtyp = NONE; |
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248 | res->data = NULL; |
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249 | return FALSE; |
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250 | } |
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251 | } |
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252 | WerrorS("insert_cone: unexpected parameters"); |
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253 | return TRUE; |
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254 | } |
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255 | |
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256 | void bbfan_setup() |
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257 | { |
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258 | blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox)); |
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259 | // all undefined entries will be set to default in setBlackboxStuff |
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260 | // the default Print is quite usefule, |
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261 | // all other are simply error messages |
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262 | b->blackbox_destroy=bbfan_destroy; |
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263 | b->blackbox_String=bbfan_String; |
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264 | //b->blackbox_Print=blackbox_default_Print; |
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265 | b->blackbox_Init=bbfan_Init; |
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266 | b->blackbox_Copy=bbfan_Copy; |
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267 | b->blackbox_Assign=bbfan_Assign; |
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268 | iiAddCproc("","fan_empty",FALSE,fan_empty); |
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269 | iiAddCproc("","fan_full",FALSE,fan_full); |
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270 | iiAddCproc("","insert_cone",FALSE,insert_cone); |
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271 | fanID=setBlackboxStuff(b,"fan"); |
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272 | Print("created type %d (fan)\n",fanID); |
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273 | } |
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274 | |
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275 | #endif |
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276 | /* HAVE_FANS */ |
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