[81384b] | 1 | #include <kernel/mod2.h> |
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| 2 | |
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| 3 | #include <Singular/ipid.h> |
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| 4 | #include <Singular/ipshell.h> |
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| 5 | #include <Singular/blackbox.h> |
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| 6 | #include <libpolys/misc/intvec.h> |
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| 7 | #include <libpolys/coeffs/longrat.h> |
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| 8 | #include <libpolys/coeffs/bigintmat.h> |
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| 9 | |
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| 10 | #include <bbfan.h> |
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| 11 | #include <bbcone.h> |
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| 12 | #include <gfan.h> |
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| 13 | #include <sstream> |
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| 14 | |
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| 15 | // #include <kernel/bigintmat.h> |
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| 16 | // #include <omalloc/omalloc.h> |
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| 17 | // #include <kernel/febase.h> |
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| 18 | // #include <kernel/longrat.h> |
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| 19 | // #include <Singular/subexpr.h> |
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| 20 | // #include <Singular/lists.h> |
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| 21 | // #include <gfanlib/gfanlib.h> |
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| 22 | // #include <gfanlib/gfanlib_zfan.h> |
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| 23 | |
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| 24 | |
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| 25 | int fanID; |
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| 26 | |
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| 27 | void* bbfan_Init(blackbox *b) |
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| 28 | { |
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| 29 | return (void*) new gfan::ZFan(0); |
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| 30 | } |
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| 31 | |
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| 32 | void bbfan_destroy(blackbox *b, void *d) |
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| 33 | { |
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| 34 | if (d!=NULL) |
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| 35 | { |
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| 36 | gfan::ZFan* zf = (gfan::ZFan*) d; |
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| 37 | delete zf; |
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| 38 | } |
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| 39 | } |
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| 40 | |
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| 41 | char* bbfan_String(blackbox *b, void *d) |
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| 42 | { |
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| 43 | if (d==NULL) return omStrDup("invalid object"); |
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| 44 | else |
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| 45 | { |
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| 46 | gfan::ZFan* zf = (gfan::ZFan*)d; |
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[f80a530] | 47 | std::string s = zf->toStringJustRaysAndMaximalCones(); |
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[81384b] | 48 | return omStrDup(s.c_str()); |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | void* bbfan_Copy(blackbox*b, void *d) |
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| 53 | { |
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| 54 | gfan::ZFan* zf = (gfan::ZFan*)d; |
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| 55 | gfan::ZFan* newZf = new gfan::ZFan(*zf); |
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| 56 | return newZf; |
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| 57 | } |
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| 58 | |
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| 59 | BOOLEAN bbfan_Assign(leftv l, leftv r) |
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| 60 | { |
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| 61 | gfan::ZFan* newZf; |
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| 62 | if (r==NULL) |
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| 63 | { |
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| 64 | if (l->Data()!=NULL) |
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| 65 | { |
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| 66 | gfan::ZFan* zd = (gfan::ZFan*) l->Data(); |
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| 67 | delete zd; |
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| 68 | } |
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| 69 | newZf = new gfan::ZFan(0); |
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| 70 | } |
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| 71 | else if (r->Typ()==l->Typ()) |
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| 72 | { |
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| 73 | if (l->Data()!=NULL) |
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| 74 | { |
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| 75 | gfan::ZFan* zd = (gfan::ZFan*) l->Data(); |
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| 76 | delete zd; |
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| 77 | } |
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| 78 | gfan::ZFan* zf = (gfan::ZFan*) r->Data(); |
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| 79 | newZf = new gfan::ZFan(*zf); |
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| 80 | } |
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| 81 | else if (r->Typ()==INT_CMD) |
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| 82 | { |
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| 83 | int ambientDim = (int) (long) r->Data(); |
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| 84 | if (ambientDim < 0) |
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| 85 | { |
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| 86 | Werror("expected an int >= 0, but got %d", ambientDim); |
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| 87 | return TRUE; |
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| 88 | } |
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| 89 | if (l->Data()!=NULL) |
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| 90 | { |
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| 91 | gfan::ZFan* zd = (gfan::ZFan*) l->Data(); |
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| 92 | delete zd; |
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| 93 | } |
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| 94 | newZf = new gfan::ZFan(ambientDim); |
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| 95 | } |
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| 96 | else |
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| 97 | { |
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| 98 | Werror("assign Type(%d) = Type(%d) not implemented",l->Typ(),r->Typ()); |
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| 99 | return TRUE; |
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| 100 | } |
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| 101 | |
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| 102 | if (l->rtyp==IDHDL) |
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| 103 | { |
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| 104 | IDDATA((idhdl)l->data) = (char*) newZf; |
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| 105 | } |
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| 106 | else |
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| 107 | { |
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| 108 | l->data = (void*) newZf; |
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| 109 | } |
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| 110 | return FALSE; |
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| 111 | } |
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| 112 | |
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| 113 | /* returns 1 iff all rows consist of entries 1..n, |
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| 114 | where n is the number of columns of the provided |
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| 115 | bigintmat; 0 otherwise */ |
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| 116 | static gfan::IntMatrix permutationIntMatrix(const bigintmat* iv) |
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| 117 | { |
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| 118 | int cc = iv->cols(); |
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| 119 | int rr = iv->rows(); |
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| 120 | bigintmat* ivCopy = new bigintmat(rr, cc, coeffs_BIGINT); |
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| 121 | for (int r = 1; r <= rr; r++) |
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| 122 | for (int c = 1; c <= cc; c++) |
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| 123 | { |
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| 124 | number temp1 = nlInit(1,NULL); |
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| 125 | number temp2 = nlSub(IMATELEM(*iv, r, c),temp1,coeffs_BIGINT); |
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| 126 | ivCopy->set(r,c,temp2); |
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| 127 | nlDelete(&temp1,NULL); |
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| 128 | nlDelete(&temp2,NULL); |
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| 129 | } |
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| 130 | gfan::ZMatrix* zm = bigintmatToZMatrix(ivCopy); |
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| 131 | gfan::IntMatrix im = gfan::IntMatrix(gfan::ZToIntMatrix(*zm)); |
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| 132 | delete zm; |
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| 133 | return im; |
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| 134 | } |
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| 135 | static BOOLEAN jjFANEMPTY_I(leftv res, leftv v) |
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| 136 | { |
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| 137 | int ambientDim = (int)(long)v->Data(); |
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| 138 | if (ambientDim < 0) |
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| 139 | { |
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| 140 | Werror("expected non-negative ambient dim but got %d", ambientDim); |
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| 141 | return TRUE; |
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| 142 | } |
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| 143 | res->rtyp = fanID; |
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| 144 | res->data = (void*)(new gfan::ZFan(ambientDim)); |
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| 145 | return FALSE; |
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| 146 | } |
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| 147 | |
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| 148 | static BOOLEAN jjFANEMPTY_IM(leftv res, leftv v) |
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| 149 | { |
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| 150 | bigintmat* permutations = (bigintmat*)v->Data(); |
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| 151 | int ambientDim = permutations->cols(); |
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| 152 | gfan::IntMatrix im = permutationIntMatrix(permutations); |
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| 153 | if (!gfan::Permutation::arePermutations(im)) |
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| 154 | { |
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| 155 | Werror("provided bigintmat contains invalid permutations of {1, ..., %d}", ambientDim); |
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| 156 | return TRUE; |
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| 157 | } |
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| 158 | gfan::SymmetryGroup sg = gfan::SymmetryGroup(ambientDim); |
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| 159 | sg.computeClosure(im); |
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| 160 | res->rtyp = fanID; |
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| 161 | res->data = (void*)(new gfan::ZFan(sg)); |
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| 162 | return FALSE; |
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| 163 | } |
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| 164 | |
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| 165 | BOOLEAN emptyFan(leftv res, leftv args) |
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| 166 | { |
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| 167 | leftv u = args; |
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| 168 | if (u == NULL) |
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| 169 | { |
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| 170 | res->rtyp = fanID; |
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| 171 | res->data = (void*) new gfan::ZFan(0); |
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| 172 | return FALSE; |
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| 173 | } |
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| 174 | if ((u != NULL) && (u->Typ() == INT_CMD)) |
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| 175 | { |
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| 176 | if (u->next == NULL) return jjFANEMPTY_I(res, u); |
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| 177 | } |
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| 178 | if ((u != NULL) && (u->Typ() == BIGINTMAT_CMD)) |
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| 179 | { |
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| 180 | if (u->next == NULL) return jjFANEMPTY_IM(res, u); |
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| 181 | } |
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| 182 | WerrorS("emptyFan: unexpected parameters"); |
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| 183 | return TRUE; |
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| 184 | } |
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| 185 | |
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| 186 | static BOOLEAN jjFANFULL_I(leftv res, leftv v) |
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| 187 | { |
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| 188 | int ambientDim = (int)(long)v->Data(); |
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| 189 | if (ambientDim < 0) |
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| 190 | { |
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| 191 | Werror("expected non-negative ambient dim but got %d", ambientDim); |
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| 192 | return TRUE; |
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| 193 | } |
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| 194 | gfan::ZFan* zf = new gfan::ZFan(gfan::ZFan::fullFan(ambientDim)); |
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| 195 | res->rtyp = fanID; |
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| 196 | res->data = (void*) zf; |
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| 197 | return FALSE; |
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| 198 | } |
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| 199 | static BOOLEAN jjFANFULL_IM(leftv res, leftv v) |
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| 200 | { |
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| 201 | bigintmat* permutations = (bigintmat*)v->Data(); |
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| 202 | int ambientDim = permutations->cols(); |
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| 203 | gfan::IntMatrix im = permutationIntMatrix(permutations); |
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| 204 | if (!gfan::Permutation::arePermutations(im)) |
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| 205 | { |
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| 206 | Werror("provided bigintmat contains invalid permutations of {1, ..., %d}", ambientDim); |
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| 207 | return TRUE; |
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| 208 | } |
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| 209 | gfan::SymmetryGroup sg = gfan::SymmetryGroup(ambientDim); |
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| 210 | sg.computeClosure(im); |
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| 211 | gfan::ZFan* zf = new gfan::ZFan(gfan::ZFan::fullFan(sg)); |
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| 212 | res->rtyp = fanID; |
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| 213 | res->data = (void*) zf; |
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| 214 | return FALSE; |
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| 215 | } |
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| 216 | |
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| 217 | BOOLEAN fullFan(leftv res, leftv args) |
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| 218 | { |
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| 219 | leftv u = args; |
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| 220 | if (u == NULL) |
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| 221 | { |
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| 222 | res->rtyp = fanID; |
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| 223 | res->data = (void*) new gfan::ZFan(0); |
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| 224 | return FALSE; |
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| 225 | } |
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| 226 | if ((u != NULL) && (u->Typ() == INT_CMD)) |
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| 227 | if (u->next == NULL) return jjFANFULL_I(res, u); |
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| 228 | if ((u != NULL) && (u->Typ() == BIGINTMAT_CMD)) |
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| 229 | if (u->next == NULL) return jjFANFULL_IM(res, u); |
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| 230 | WerrorS("fullFan: unexpected parameters"); |
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| 231 | return TRUE; |
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| 232 | } |
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| 233 | |
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| 234 | int getAmbientDimension(gfan::ZFan* zf) |
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| 235 | { |
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| 236 | return zf->getAmbientDimension(); |
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| 237 | } |
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| 238 | |
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| 239 | int getCodimension(gfan::ZFan* zf) |
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| 240 | { |
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| 241 | return zf->getCodimension(); |
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| 242 | } |
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| 243 | |
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| 244 | int getDimension(gfan::ZFan* zf) |
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| 245 | { |
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| 246 | return zf->getDimension(); |
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| 247 | } |
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| 248 | |
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| 249 | int getLinealityDimension(gfan::ZFan* zf) |
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| 250 | { |
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| 251 | return zf->getLinealityDimension(); |
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| 252 | } |
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| 253 | |
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| 254 | BOOLEAN numberOfConesOfDimension(leftv res, leftv args) |
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| 255 | { |
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| 256 | leftv u=args; |
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| 257 | if ((u != NULL) && (u->Typ() == fanID)) |
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| 258 | { |
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| 259 | leftv v=u->next; |
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| 260 | if ((v != NULL) && (v->Typ() == INT_CMD)) |
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| 261 | { |
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| 262 | leftv w=v->next; |
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| 263 | if ((w != NULL) && (w->Typ() == INT_CMD)) |
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| 264 | { |
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| 265 | leftv x=w->next; |
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| 266 | if ((x != NULL) && (x->Typ() == INT_CMD)) |
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| 267 | { |
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| 268 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
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| 269 | int d = (int)(long)v->Data(); |
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| 270 | int o = (int)(long)w->Data(); |
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| 271 | int m = (int)(long)x->Data(); |
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| 272 | if ( (0<=d) && (d <= zf->getAmbientDimension()) |
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| 273 | && ((o == 0) || (o == 1)) |
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| 274 | && ((m == 0) || (m == 1))) |
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| 275 | { |
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| 276 | bool oo = (bool) o; |
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| 277 | bool mm = (bool) m; |
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| 278 | int ld = zf->getLinealityDimension(); |
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| 279 | if (d-ld>=0) |
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| 280 | { |
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[e44b149] | 281 | int n = zf->numberOfConesOfDimension(d-ld,oo,mm); |
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[81384b] | 282 | res->rtyp = INT_CMD; |
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| 283 | res->data = (void*) (long) n; |
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| 284 | return FALSE; |
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| 285 | } |
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[e44b149] | 286 | res->rtyp = INT_CMD; |
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| 287 | res->data = (void*) (long) 0; |
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| 288 | return FALSE; |
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[81384b] | 289 | } |
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| 290 | } |
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| 291 | } |
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| 292 | } |
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| 293 | } |
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| 294 | WerrorS("numberOfConesOfDimension: unexpected parameters"); |
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| 295 | return TRUE; |
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| 296 | } |
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| 297 | |
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| 298 | BOOLEAN ncones(leftv res, leftv args) |
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| 299 | { |
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| 300 | leftv u=args; |
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| 301 | if ((u != NULL) && (u->Typ() == fanID)) |
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| 302 | { |
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| 303 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
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| 304 | int d = zf->getAmbientDimension(); |
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| 305 | int n = 0; |
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| 306 | |
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| 307 | for (int i=0; i<=d; i++) |
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[e44b149] | 308 | n = n + zf->numberOfConesOfDimension(i,0,0); |
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[81384b] | 309 | |
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| 310 | res->rtyp = INT_CMD; |
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| 311 | res->data = (void*) (long) n; |
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| 312 | return FALSE; |
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| 313 | } |
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| 314 | else |
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| 315 | { |
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| 316 | WerrorS("check_compatibility: unexpected parameters"); |
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| 317 | return TRUE; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | BOOLEAN nmaxcones(leftv res, leftv args) |
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| 322 | { |
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| 323 | leftv u=args; |
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| 324 | if ((u != NULL) && (u->Typ() == fanID)) |
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| 325 | { |
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| 326 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
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| 327 | |
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| 328 | int n = 0; |
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| 329 | for (int d=0; d<=zf->getAmbientDimension(); d++) |
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| 330 | { n = n + zf->numberOfConesOfDimension(d,0,1); } |
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| 331 | |
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| 332 | res->rtyp = INT_CMD; |
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| 333 | res->data = (void*) (long) n; |
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| 334 | return FALSE; |
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| 335 | } |
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| 336 | else |
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| 337 | { |
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| 338 | WerrorS("nmaxcones: unexpected parameters"); |
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| 339 | return TRUE; |
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| 340 | } |
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| 341 | } |
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| 342 | |
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| 343 | bool isCompatible(gfan::ZFan* zf, gfan::ZCone* zc) |
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| 344 | { |
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| 345 | bool b = (zf->getAmbientDimension() == zc->ambientDimension()); |
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| 346 | if(b) |
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| 347 | { |
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| 348 | for (int d=0; d<=zf->getAmbientDimension(); d++) |
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| 349 | { |
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| 350 | for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++) |
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| 351 | { |
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| 352 | gfan::ZCone zd = zf->getCone(d,i,0,1); |
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| 353 | gfan::ZCone zt = gfan::intersection(*zc,zd); |
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| 354 | zt.canonicalize(); |
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| 355 | b = b && zd.hasFace(zt); |
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| 356 | } |
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| 357 | } |
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| 358 | } |
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| 359 | return b; |
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| 360 | } |
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| 361 | |
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| 362 | BOOLEAN isCompatible(leftv res, leftv args) |
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| 363 | { |
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| 364 | leftv u=args; |
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| 365 | if ((u != NULL) && (u->Typ() == fanID)) |
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| 366 | { |
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| 367 | leftv v=u->next; |
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| 368 | if ((v != NULL) && (v->Typ() == coneID)) |
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| 369 | { |
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| 370 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
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| 371 | gfan::ZCone* zc = (gfan::ZCone*)v->Data(); |
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| 372 | int b = isCompatible(zf,zc); |
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| 373 | res->rtyp = INT_CMD; |
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| 374 | res->data = (void*) (long) b; |
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| 375 | return FALSE; |
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| 376 | } |
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| 377 | } |
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| 378 | WerrorS("isCompatible: unexpected parameters"); |
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| 379 | return TRUE; |
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| 380 | } |
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| 381 | |
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| 382 | BOOLEAN insertCone(leftv res, leftv args) |
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| 383 | { |
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| 384 | leftv u=args; |
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| 385 | if ((u != NULL) && (u->rtyp==IDHDL) && (u->e==NULL) && (u->Typ() == fanID)) |
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| 386 | { |
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| 387 | leftv v=u->next; |
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| 388 | if ((v != NULL) && (v->Typ() == coneID)) |
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| 389 | { |
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| 390 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
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| 391 | gfan::ZCone* zc = (gfan::ZCone*)v->Data(); |
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| 392 | zc->canonicalize(); |
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| 393 | |
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| 394 | leftv w=v->next; |
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[e44b149] | 395 | int n; |
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[81384b] | 396 | if ((w != NULL) && (w->Typ() == INT_CMD)) |
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[e44b149] | 397 | n = (int)(long) w; |
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[81384b] | 398 | |
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| 399 | if (n != 0) |
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| 400 | { |
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| 401 | if (!isCompatible(zf,zc)) |
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| 402 | { |
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| 403 | WerrorS("insertCone: cone and fan not compatible"); |
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| 404 | return TRUE; |
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| 405 | } |
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| 406 | } |
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| 407 | |
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| 408 | zf->insert(*zc); |
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| 409 | res->rtyp = NONE; |
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| 410 | res->data = NULL; |
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| 411 | IDDATA((idhdl)u->data) = (char*) zf; |
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| 412 | return FALSE; |
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| 413 | } |
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| 414 | } |
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[e44b149] | 415 | WerrorS("insertCone: unexpected parameters"); |
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| 416 | return TRUE; |
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[81384b] | 417 | } |
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| 418 | |
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| 419 | bool containsInCollection(gfan::ZFan* zf, gfan::ZCone* zc) |
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| 420 | { |
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| 421 | gfan::ZVector zv=zc->getRelativeInteriorPoint(); |
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| 422 | for (int d=0; d<=zf->getAmbientDimension(); d++) |
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| 423 | { |
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| 424 | for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++) |
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| 425 | { |
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| 426 | gfan::ZCone zd = zf->getCone(d,i,0,1); |
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| 427 | zd.canonicalize(); |
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| 428 | if (zd.containsRelatively(zv)) |
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| 429 | { |
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| 430 | gfan::ZCone temp = *zc; |
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| 431 | temp.canonicalize(); |
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| 432 | return (!(zd != temp)); |
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| 433 | } |
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| 434 | } |
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| 435 | } |
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| 436 | return 0; |
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| 437 | } |
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| 438 | |
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| 439 | BOOLEAN containsInCollection(leftv res, leftv args) |
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| 440 | { |
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| 441 | leftv u=args; |
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| 442 | if ((u != NULL) && (u->Typ() == fanID)) |
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| 443 | { |
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| 444 | leftv v=u->next; |
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| 445 | if ((v != NULL) && (v->Typ() == coneID)) |
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| 446 | { |
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| 447 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
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| 448 | gfan::ZCone* zc = (gfan::ZCone*)v->Data(); |
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| 449 | if((zf->getAmbientDimension() == zc->ambientDimension())) |
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| 450 | { |
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| 451 | res->rtyp = INT_CMD; |
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| 452 | res->data = (void*) (long) (int) containsInCollection(zf,zc); |
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| 453 | return FALSE; |
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| 454 | } |
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| 455 | WerrorS("containsInCollection: mismatching ambient dimensions"); |
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| 456 | return TRUE; |
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| 457 | } |
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| 458 | } |
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| 459 | // if ((u != NULL) && (u->Typ() == coneID)) |
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| 460 | // { |
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| 461 | // leftv v=u->next; |
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| 462 | // if ((v != NULL) && (v->Typ() == coneID)) |
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| 463 | // { |
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| 464 | // gfan::ZCone* zc = (gfan::ZCone*)u->Data(); |
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| 465 | // gfan::ZCone* zd = (gfan::ZCone*)v->Data(); |
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| 466 | // res->rtyp = INT_CMD; |
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| 467 | // res->data = (void*) (int) hasFace(zc,zd); |
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| 468 | // return FALSE; |
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| 469 | // } |
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| 470 | // } |
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| 471 | WerrorS("containsInCollection: unexpected parameters"); |
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| 472 | return TRUE; |
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| 473 | } |
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| 474 | |
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| 475 | // BOOLEAN coneContaining(leftv res, leftv args) |
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| 476 | // { |
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| 477 | // leftv u=args; |
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| 478 | // if ((u != NULL) && (u->Typ() == fanID)) |
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| 479 | // { |
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| 480 | // if ((v != NULL) && (v->Typ() == BIGINTMAT_CMD)) |
---|
| 481 | // { |
---|
| 482 | // gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
---|
| 483 | // bigintmat* vec = (bigintmat*)v->Data(); |
---|
| 484 | // } |
---|
| 485 | // } |
---|
| 486 | // WerrorS("coneContaining: unexpected parameters"); |
---|
| 487 | // return TRUE; |
---|
| 488 | // } |
---|
| 489 | |
---|
| 490 | BOOLEAN removeCone(leftv res, leftv args) |
---|
| 491 | { |
---|
| 492 | leftv u=args; |
---|
| 493 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 494 | { |
---|
| 495 | leftv v=u->next; |
---|
| 496 | if ((v != NULL) && (v->Typ() == coneID)) |
---|
| 497 | { |
---|
| 498 | gfan::ZFan* zf = (gfan::ZFan*)u->Data(); |
---|
| 499 | gfan::ZCone* zc = (gfan::ZCone*)v->Data(); |
---|
| 500 | zc->canonicalize(); |
---|
| 501 | |
---|
| 502 | leftv w=v->next; int n = 1; |
---|
| 503 | if ((w != NULL) && (w->Typ() == INT_CMD)) |
---|
| 504 | int n = (int)(long) w; |
---|
| 505 | |
---|
| 506 | if (n != 0) |
---|
| 507 | { |
---|
| 508 | if (!containsInCollection(zf,zc)) |
---|
| 509 | { |
---|
| 510 | WerrorS("removeCone: cone not contained in fan"); |
---|
| 511 | return TRUE; |
---|
| 512 | } |
---|
| 513 | } |
---|
| 514 | |
---|
| 515 | zf->remove(*zc); |
---|
| 516 | res->rtyp = NONE; |
---|
| 517 | res->data = NULL; |
---|
| 518 | IDDATA((idhdl)u->data) = (char*) zf; |
---|
| 519 | return FALSE; |
---|
| 520 | } |
---|
| 521 | } |
---|
| 522 | WerrorS("removeCone: unexpected parameters"); |
---|
| 523 | return TRUE; |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | BOOLEAN getCone(leftv res, leftv args) |
---|
| 527 | { |
---|
| 528 | leftv u=args; |
---|
| 529 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 530 | { |
---|
| 531 | leftv v=u->next; |
---|
| 532 | if ((v != NULL) && (v->Typ() == INT_CMD)) |
---|
| 533 | { |
---|
| 534 | leftv w=v->next; |
---|
| 535 | if ((w != NULL) && (w->Typ() == INT_CMD)) |
---|
| 536 | { |
---|
| 537 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 538 | int d = (int)(long)v->Data(); |
---|
| 539 | int i = (int)(long)w->Data(); |
---|
| 540 | int o = -1; |
---|
| 541 | int m = -1; |
---|
| 542 | leftv x=w->next; |
---|
| 543 | if ((x != NULL) && (x->Typ() == INT_CMD)) |
---|
| 544 | { |
---|
| 545 | o = (int)(long)x->Data(); |
---|
| 546 | leftv y=x->next; |
---|
| 547 | if ((y != NULL) && (y->Typ() == INT_CMD)) |
---|
| 548 | { |
---|
| 549 | m = (int)(long)y->Data(); |
---|
| 550 | } |
---|
| 551 | } |
---|
| 552 | if (o == -1) o = 0; |
---|
| 553 | if (m == -1) m = 0; |
---|
| 554 | if (((o == 0) || (o == 1)) && ((m == 0) || (m == 1))) |
---|
| 555 | { |
---|
| 556 | bool oo = (bool) o; |
---|
| 557 | bool mm = (bool) m; |
---|
| 558 | if (0<=d && d<=zf->getAmbientDimension()) |
---|
| 559 | { |
---|
| 560 | if (0<i && i<=zf->numberOfConesOfDimension(d,oo,mm)) |
---|
| 561 | { |
---|
| 562 | i=i-1; |
---|
| 563 | int ld = zf->getLinealityDimension(); |
---|
| 564 | if (d-ld>=0) |
---|
| 565 | { |
---|
| 566 | gfan::ZCone zc = zf->getCone(d-ld,i,oo,mm); |
---|
| 567 | res->rtyp = coneID; |
---|
| 568 | res->data = (void*)new gfan::ZCone(zc); |
---|
| 569 | return FALSE; |
---|
| 570 | } |
---|
| 571 | else |
---|
| 572 | { |
---|
| 573 | WerrorS("getCone: invalid dimension; no cones in this dimension"); |
---|
| 574 | return TRUE; |
---|
| 575 | } |
---|
| 576 | } |
---|
| 577 | else |
---|
| 578 | { |
---|
| 579 | WerrorS("getCone: invalid index"); |
---|
| 580 | return TRUE; |
---|
| 581 | } |
---|
| 582 | } |
---|
| 583 | else |
---|
| 584 | { |
---|
| 585 | WerrorS("getCone: invalid dimension"); |
---|
| 586 | return TRUE; |
---|
| 587 | } |
---|
| 588 | } |
---|
| 589 | else |
---|
| 590 | { |
---|
| 591 | WerrorS("getCone: invalid specifier for orbit or maximal"); |
---|
| 592 | return TRUE; |
---|
| 593 | } |
---|
| 594 | } |
---|
| 595 | } |
---|
| 596 | } |
---|
[e44b149] | 597 | WerrorS("getCone: unexpected parameters"); |
---|
| 598 | return TRUE; |
---|
[81384b] | 599 | } |
---|
| 600 | |
---|
| 601 | BOOLEAN getCones(leftv res, leftv args) |
---|
| 602 | { |
---|
| 603 | leftv u=args; |
---|
| 604 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 605 | { |
---|
| 606 | leftv v=u->next; |
---|
| 607 | if ((v != NULL) && (v->Typ() == INT_CMD)) |
---|
| 608 | { |
---|
| 609 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 610 | int d = (int)(long)v->Data(); |
---|
| 611 | int o = -1; |
---|
| 612 | int m = -1; |
---|
| 613 | leftv w=v->next; |
---|
| 614 | if ((w != NULL) && (w->Typ() == INT_CMD)) |
---|
| 615 | { |
---|
| 616 | o = (int)(long)w->Data(); |
---|
| 617 | leftv x=w->next; |
---|
| 618 | if ((x != NULL) && (x->Typ() == INT_CMD)) |
---|
| 619 | { |
---|
| 620 | m = (int)(long)x->Data(); |
---|
| 621 | } |
---|
| 622 | } |
---|
| 623 | if (o == -1) o = 0; |
---|
| 624 | if (m == -1) m = 0; |
---|
| 625 | if (((o == 0) || (o == 1)) && ((m == 0) || (m == 1))) |
---|
| 626 | { |
---|
| 627 | bool oo = (bool) o; |
---|
| 628 | bool mm = (bool) m; |
---|
| 629 | if (0<=d && d<=zf->getAmbientDimension()) |
---|
| 630 | { |
---|
| 631 | int ld = zf->getLinealityDimension(); |
---|
| 632 | if (d-ld>=0) |
---|
| 633 | { |
---|
| 634 | lists L = (lists)omAllocBin(slists_bin); |
---|
[e44b149] | 635 | int n = zf->numberOfConesOfDimension(d-ld,oo,mm); |
---|
[81384b] | 636 | L->Init(n); |
---|
| 637 | for (int i=0; i<n; i++) |
---|
| 638 | { |
---|
| 639 | gfan::ZCone zc = zf->getCone(d-ld,i,oo,mm); |
---|
| 640 | L->m[i].rtyp = coneID; L->m[i].data=(void*) new gfan::ZCone(zc); |
---|
| 641 | } |
---|
| 642 | res->rtyp = LIST_CMD; |
---|
| 643 | res->data = (void*) L; |
---|
| 644 | return FALSE; |
---|
| 645 | } |
---|
| 646 | else |
---|
| 647 | { |
---|
| 648 | WerrorS("getCones: invalid dimension; no cones in this dimension"); |
---|
| 649 | return TRUE; |
---|
| 650 | } |
---|
| 651 | } |
---|
| 652 | else |
---|
| 653 | { |
---|
| 654 | WerrorS("getCones: invalid dimension"); |
---|
| 655 | return TRUE; |
---|
| 656 | } |
---|
| 657 | } |
---|
| 658 | else |
---|
| 659 | { |
---|
| 660 | WerrorS("getCones: invalid specifier for orbit or maximal"); |
---|
| 661 | return TRUE; |
---|
| 662 | } |
---|
| 663 | } |
---|
| 664 | } |
---|
[e44b149] | 665 | WerrorS("getCones: unexpected parameters"); |
---|
| 666 | return TRUE; |
---|
[81384b] | 667 | } |
---|
| 668 | |
---|
| 669 | int isSimplicial(gfan::ZFan* zf) |
---|
| 670 | { |
---|
| 671 | int i = zf->isSimplicial() ? 1 : 0; |
---|
| 672 | return i; |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | BOOLEAN isPure(leftv res, leftv args) |
---|
| 676 | { |
---|
| 677 | leftv u=args; |
---|
| 678 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 679 | { |
---|
| 680 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 681 | int b = zf->isPure(); |
---|
| 682 | res->rtyp = INT_CMD; |
---|
| 683 | res->data = (void*) (long) b; |
---|
| 684 | return FALSE; |
---|
| 685 | } |
---|
| 686 | WerrorS("isPure: unexpected parameters"); |
---|
| 687 | return TRUE; |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | BOOLEAN isComplete(leftv res, leftv args) |
---|
| 691 | { |
---|
| 692 | leftv u=args; |
---|
| 693 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 694 | { |
---|
| 695 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 696 | int b = zf->isComplete(); |
---|
| 697 | res->rtyp = INT_CMD; |
---|
| 698 | res->data = (void*) (long) b; |
---|
| 699 | return FALSE; |
---|
| 700 | } |
---|
| 701 | WerrorS("isComplete: unexpected parameters"); |
---|
| 702 | return TRUE; |
---|
| 703 | } |
---|
| 704 | |
---|
| 705 | BOOLEAN fVector(leftv res, leftv args) |
---|
| 706 | { |
---|
| 707 | leftv u=args; |
---|
| 708 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 709 | { |
---|
| 710 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 711 | gfan::ZVector zv=zf->getFVector(); |
---|
| 712 | res->rtyp = BIGINTMAT_CMD; |
---|
| 713 | res->data = (void*) zVectorToBigintmat(zv); |
---|
| 714 | return FALSE; |
---|
| 715 | } |
---|
| 716 | WerrorS("fVector: unexpected parameters"); |
---|
| 717 | return TRUE; |
---|
| 718 | } |
---|
| 719 | |
---|
[f80a530] | 720 | gfan::ZMatrix rays(const gfan::ZFan* const zf) |
---|
[81384b] | 721 | { |
---|
| 722 | gfan::ZMatrix rays(0,zf->getAmbientDimension()); |
---|
[e44b149] | 723 | for (int i=0; i<zf->numberOfConesOfDimension(1,0,0); i++) |
---|
[81384b] | 724 | { |
---|
[e44b149] | 725 | gfan::ZCone zc = zf->getCone(1, i, 0, 0); |
---|
[81384b] | 726 | rays.append(zc.extremeRays()); |
---|
| 727 | } |
---|
| 728 | return rays; |
---|
| 729 | } |
---|
| 730 | |
---|
| 731 | int numberOfConesWithVector(gfan::ZFan* zf, gfan::ZVector* v) |
---|
| 732 | { |
---|
| 733 | int count = 0; |
---|
| 734 | int ambientDim = zf->getAmbientDimension(); |
---|
| 735 | for (int i=0; i<zf->numberOfConesOfDimension(ambientDim, 0, 0); i++) |
---|
| 736 | { |
---|
| 737 | gfan::ZCone zc = zf->getCone(ambientDim, i, 0, 0); |
---|
| 738 | if (zc.contains(*v)) |
---|
| 739 | { |
---|
| 740 | count = count +1; |
---|
| 741 | if (count > 1) |
---|
| 742 | return count; |
---|
| 743 | } |
---|
| 744 | } |
---|
| 745 | return count; |
---|
| 746 | } |
---|
| 747 | |
---|
| 748 | BOOLEAN numberOfConesWithVector(leftv res, leftv args) |
---|
| 749 | { |
---|
| 750 | leftv u=args; |
---|
| 751 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 752 | { |
---|
| 753 | leftv v=u->next; |
---|
| 754 | if ((v != NULL) && (v->Typ() == BIGINTMAT_CMD)) |
---|
| 755 | { |
---|
| 756 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 757 | bigintmat* v0 = (bigintmat*) v->Data(); |
---|
| 758 | int ambientDim = zf->getAmbientDimension(); |
---|
| 759 | if (ambientDim != v0->cols()) |
---|
| 760 | { |
---|
| 761 | WerrorS("numberOfConesWithVector: mismatching dimensions"); |
---|
| 762 | return TRUE; |
---|
| 763 | } |
---|
| 764 | gfan::ZVector* v1 = bigintmatToZVector(*v0); |
---|
| 765 | int count = numberOfConesWithVector(zf, v1); |
---|
| 766 | delete v1; |
---|
| 767 | res->rtyp = INT_CMD; |
---|
| 768 | res->data = (void*) (long) count; |
---|
| 769 | return FALSE; |
---|
| 770 | } |
---|
| 771 | } |
---|
| 772 | WerrorS("numberOfConesWithVector: unexpected parameters"); |
---|
| 773 | return TRUE; |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | BOOLEAN fanFromString(leftv res, leftv args) |
---|
| 777 | { |
---|
| 778 | leftv u=args; |
---|
| 779 | if ((u != NULL) && (u->Typ() == STRING_CMD)) |
---|
| 780 | { |
---|
| 781 | std::string fanInString = (char*) u->Data(); |
---|
| 782 | std::istringstream s(fanInString); |
---|
| 783 | gfan::ZFan* zf = new gfan::ZFan(s); |
---|
| 784 | res->rtyp = fanID; |
---|
| 785 | res->data = (void*) zf; |
---|
| 786 | return FALSE; |
---|
| 787 | } |
---|
| 788 | WerrorS("fanFromString: unexpected parameters"); |
---|
| 789 | return TRUE; |
---|
| 790 | } |
---|
| 791 | |
---|
| 792 | BOOLEAN fanViaCones(leftv res, leftv args) |
---|
| 793 | { |
---|
| 794 | leftv u=args; |
---|
| 795 | if ((u != NULL) && (u->Typ() == LIST_CMD)) |
---|
| 796 | { |
---|
| 797 | lists L = (lists) u->Data(); |
---|
| 798 | if (lSize(L)>-1) |
---|
| 799 | { |
---|
| 800 | if (L->m[0].Typ() != coneID) |
---|
| 801 | { |
---|
| 802 | WerrorS("fanViaCones: list contains entries of wrong type"); |
---|
| 803 | return TRUE; |
---|
| 804 | } |
---|
| 805 | gfan::ZCone* zc = (gfan::ZCone*) L->m[0].Data(); |
---|
| 806 | gfan::ZFan* zf = new gfan::ZFan(zc->ambientDimension()); |
---|
| 807 | zf->insert(*zc); |
---|
| 808 | for (int i=1; i<=lSize(L); i++) |
---|
| 809 | { |
---|
| 810 | if (L->m[i].Typ() != coneID) |
---|
| 811 | { |
---|
| 812 | WerrorS("fanViaCones: entries of wrong type in list"); |
---|
| 813 | return TRUE; |
---|
| 814 | } |
---|
| 815 | gfan::ZCone* zc = (gfan::ZCone*) L->m[i].Data(); |
---|
| 816 | if (zc->ambientDimension() != zf->getAmbientDimension()) |
---|
| 817 | { |
---|
| 818 | WerrorS("fanViaCones: inconsistent ambient dimensions amongst cones in list"); |
---|
| 819 | return TRUE; |
---|
| 820 | } |
---|
| 821 | zf->insert(*zc); |
---|
| 822 | } |
---|
| 823 | res->rtyp = fanID; |
---|
| 824 | res->data = (void*) zf; |
---|
| 825 | return FALSE; |
---|
| 826 | } |
---|
| 827 | res->rtyp = fanID; |
---|
| 828 | res->data = (void*) new gfan::ZFan(0); |
---|
| 829 | return FALSE; |
---|
| 830 | } |
---|
| 831 | if ((u != NULL) && (u->Typ() == coneID)) |
---|
| 832 | { |
---|
| 833 | gfan::ZCone* zc = (gfan::ZCone*) u->Data(); |
---|
| 834 | gfan::ZFan* zf = new gfan::ZFan(zc->ambientDimension()); |
---|
| 835 | zf->insert(*zc); |
---|
| 836 | while (u->next != NULL) |
---|
| 837 | { |
---|
| 838 | u = u->next; |
---|
| 839 | if (u->Typ() != coneID) |
---|
| 840 | { |
---|
| 841 | WerrorS("fanViaCones: arguments of wrong type"); |
---|
| 842 | return TRUE; |
---|
| 843 | } |
---|
| 844 | gfan::ZCone* zc = (gfan::ZCone*) u->Data(); |
---|
| 845 | if (zc->ambientDimension() != zf->getAmbientDimension()) |
---|
| 846 | { |
---|
| 847 | WerrorS("fanViaCones: inconsistent ambient dimensions amongst input cones"); |
---|
| 848 | return TRUE; |
---|
| 849 | } |
---|
| 850 | zf->insert(*zc); |
---|
| 851 | } |
---|
| 852 | res->rtyp = fanID; |
---|
| 853 | res->data = (void*) zf; |
---|
| 854 | return FALSE; |
---|
| 855 | } |
---|
| 856 | if (u == NULL) |
---|
| 857 | { |
---|
| 858 | res->rtyp = fanID; |
---|
| 859 | res->data = (void*) new gfan::ZFan(0); |
---|
| 860 | return FALSE; |
---|
| 861 | } |
---|
| 862 | WerrorS("fanViaCones: unexpected parameters"); |
---|
| 863 | return TRUE; |
---|
| 864 | } |
---|
| 865 | |
---|
| 866 | lists listOfFacets(const gfan::ZCone &zc) |
---|
| 867 | { |
---|
| 868 | gfan::ZMatrix inequalities = zc.getFacets(); |
---|
| 869 | gfan::ZMatrix equations = zc.getImpliedEquations(); |
---|
| 870 | lists L = (lists)omAllocBin(slists_bin); |
---|
| 871 | int r = inequalities.getHeight(); |
---|
| 872 | int c = inequalities.getWidth(); |
---|
| 873 | L->Init(r); |
---|
| 874 | |
---|
| 875 | /* next we iterate over each of the r facets, build the respective cone and add it to the list */ |
---|
| 876 | /* this is the i=0 case */ |
---|
| 877 | gfan::ZMatrix newInequalities = inequalities.submatrix(1,0,r,c); |
---|
| 878 | gfan::ZMatrix newEquations = equations; |
---|
| 879 | newEquations.appendRow(inequalities[0]); |
---|
| 880 | L->m[0].rtyp = coneID; L->m[0].data=(void*) new gfan::ZCone(newInequalities,newEquations); |
---|
| 881 | |
---|
| 882 | /* these are the cases i=1,...,r-2 */ |
---|
| 883 | for (int i=1; i<r-1; i++) |
---|
| 884 | { |
---|
| 885 | newInequalities = inequalities.submatrix(0,0,i-1,c); |
---|
| 886 | newInequalities.append(inequalities.submatrix(i+1,0,r,c)); |
---|
| 887 | newEquations = equations; |
---|
| 888 | newEquations.appendRow(inequalities[i]); |
---|
| 889 | L->m[i].rtyp = coneID; L->m[i].data=(void*) new gfan::ZCone(newInequalities,newEquations); |
---|
| 890 | } |
---|
| 891 | |
---|
| 892 | /* this is the i=r-1 case */ |
---|
| 893 | newInequalities = inequalities.submatrix(0,0,r-1,c); |
---|
| 894 | newEquations = equations; |
---|
| 895 | newEquations.appendRow(inequalities[r]); |
---|
| 896 | L->m[r-1].rtyp = coneID; L->m[r-1].data=(void*) new gfan::ZCone(newInequalities,newEquations); |
---|
| 897 | |
---|
| 898 | return L; |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | BOOLEAN listOfFacets(leftv res, leftv args) |
---|
| 902 | { |
---|
| 903 | leftv u=args; |
---|
| 904 | if ((u != NULL) && (u->Typ() == coneID)) |
---|
| 905 | { |
---|
| 906 | gfan::ZCone* zc = (gfan::ZCone*) u->Data(); |
---|
| 907 | lists L = listOfFacets(*zc); |
---|
| 908 | res->rtyp = LIST_CMD; |
---|
| 909 | res->data = (void*) L; |
---|
| 910 | return FALSE; |
---|
| 911 | } |
---|
| 912 | WerrorS("listOfFacets: unexpected parameters"); |
---|
| 913 | return TRUE; |
---|
| 914 | } |
---|
| 915 | |
---|
[e44b149] | 916 | BOOLEAN tropicalVariety(leftv res, leftv args) |
---|
| 917 | { |
---|
| 918 | leftv u=args; |
---|
| 919 | if ((u != NULL) && (u->Typ() == POLY_CMD)) |
---|
| 920 | { |
---|
| 921 | int n = rVar(currRing); |
---|
| 922 | gfan::ZFan* zf = new gfan::ZFan(n); |
---|
| 923 | int* expv1 = (int*)omAlloc((n+1)*sizeof(int)); |
---|
| 924 | int* expv2 = (int*)omAlloc((n+1)*sizeof(int)); |
---|
| 925 | int* expvr = (int*)omAlloc((n+1)*sizeof(int)); |
---|
| 926 | gfan::ZVector expw1 = gfan::ZVector(n); |
---|
| 927 | gfan::ZVector expw2 = gfan::ZVector(n); |
---|
| 928 | gfan::ZVector expwr = gfan::ZVector(n); |
---|
| 929 | gfan::ZMatrix eq, ineq; |
---|
| 930 | for (poly s1=(poly)u->Data(); s1!=NULL; pIter(s1)) |
---|
| 931 | { |
---|
| 932 | pGetExpV(s1,expv1); |
---|
| 933 | expw1 = intStar2ZVector(n,expv1); |
---|
| 934 | for (poly s2=pNext(s1); s2!=NULL; pIter(s2)) |
---|
| 935 | { |
---|
| 936 | pGetExpV(s2,expv2); |
---|
| 937 | expw2 = intStar2ZVector(n,expv2); |
---|
| 938 | eq = gfan::ZMatrix(0,n); |
---|
| 939 | eq.appendRow(expw1-expw2); |
---|
| 940 | ineq = gfan::ZMatrix(0,n); |
---|
| 941 | for (poly r=(poly)u->Data(); r!=NULL; pIter(r)) |
---|
| 942 | { |
---|
| 943 | pGetExpV(r,expvr); |
---|
| 944 | expwr = intStar2ZVector(n,expvr); |
---|
| 945 | if ((r!=s1) && (r!=s2)) |
---|
| 946 | { |
---|
| 947 | ineq.appendRow(expw1-expwr); |
---|
| 948 | } |
---|
| 949 | } |
---|
| 950 | gfan::ZCone zc = gfan::ZCone(ineq,eq); |
---|
| 951 | zf->insert(zc); |
---|
| 952 | } |
---|
| 953 | } |
---|
| 954 | omFreeSize(expv1,(n+1)*sizeof(int)); |
---|
| 955 | omFreeSize(expv2,(n+1)*sizeof(int)); |
---|
| 956 | omFreeSize(expvr,(n+1)*sizeof(int)); |
---|
| 957 | res->rtyp = fanID; |
---|
| 958 | res->data = (void*) zf; |
---|
| 959 | return FALSE; |
---|
| 960 | } |
---|
| 961 | WerrorS("tropicalVariety: unexpected parameters"); |
---|
| 962 | return TRUE; |
---|
| 963 | } |
---|
| 964 | |
---|
| 965 | gfan::ZFan* commonRefinement(gfan::ZFan* zf, gfan::ZFan* zg) |
---|
| 966 | { |
---|
| 967 | assume(zf->getAmbientDimension() == zg->getAmbientDimension()); |
---|
| 968 | |
---|
| 969 | // gather all maximal cones of f and g |
---|
| 970 | std::list<gfan::ZCone> maximalConesOfF; |
---|
| 971 | for (int d=0; d<=zf->getAmbientDimension(); d++) |
---|
| 972 | { |
---|
| 973 | for (int i=0; i<zf->numberOfConesOfDimension(d,0,1); i++) |
---|
| 974 | { |
---|
| 975 | maximalConesOfF.push_back(zf->getCone(d,i,0,1)); |
---|
| 976 | } |
---|
| 977 | } |
---|
| 978 | |
---|
| 979 | std::list<gfan::ZCone> maximalConesOfG; |
---|
| 980 | for (int d=0; d<=zg->getAmbientDimension(); d++) |
---|
| 981 | { |
---|
| 982 | for (int i=0; i<zg->numberOfConesOfDimension(d,0,1); i++) |
---|
| 983 | { |
---|
| 984 | maximalConesOfG.push_back(zg->getCone(d,i,0,1)); |
---|
| 985 | } |
---|
| 986 | } |
---|
| 987 | |
---|
| 988 | // construct a new fan out of their intersections |
---|
| 989 | gfan::ZFan* zr = new gfan::ZFan(zf->getAmbientDimension()); |
---|
| 990 | for (std::list<gfan::ZCone>::iterator itf=maximalConesOfF.begin(); |
---|
| 991 | itf != maximalConesOfF.end(); itf++) |
---|
| 992 | { |
---|
| 993 | for (std::list<gfan::ZCone>::iterator itg=maximalConesOfG.begin(); |
---|
| 994 | itg != maximalConesOfG.end(); itg++) |
---|
| 995 | { |
---|
| 996 | zr->insert(intersection(*itf,*itg)); |
---|
| 997 | } |
---|
| 998 | } |
---|
| 999 | |
---|
| 1000 | return zr; |
---|
| 1001 | } |
---|
| 1002 | |
---|
| 1003 | BOOLEAN commonRefinement(leftv res, leftv args) |
---|
| 1004 | { |
---|
| 1005 | leftv u=args; |
---|
| 1006 | if ((u != NULL) && (u->Typ() == fanID)) |
---|
| 1007 | { |
---|
| 1008 | leftv v=u->next; |
---|
| 1009 | if ((v != NULL) && (v->Typ() == fanID)) |
---|
| 1010 | { |
---|
| 1011 | gfan::ZFan* zf = (gfan::ZFan*) u->Data(); |
---|
| 1012 | gfan::ZFan* zg = (gfan::ZFan*) v->Data(); |
---|
| 1013 | gfan::ZFan* zr = commonRefinement(zf,zg); |
---|
| 1014 | res->rtyp = fanID; |
---|
| 1015 | res->data = (void*) zr; |
---|
| 1016 | return FALSE; |
---|
| 1017 | } |
---|
| 1018 | } |
---|
| 1019 | WerrorS("commonRefinement: unexpected parameters"); |
---|
| 1020 | return TRUE; |
---|
| 1021 | } |
---|
| 1022 | |
---|
[81384b] | 1023 | // BOOLEAN grFan(leftv res, leftv h) |
---|
| 1024 | // { |
---|
| 1025 | // /*======== GFAN ==============*/ |
---|
| 1026 | // /* |
---|
| 1027 | // WILL HAVE TO CHANGE RETURN TYPE TO LIST_CMD |
---|
| 1028 | // */ |
---|
| 1029 | // /* |
---|
| 1030 | // heuristic: |
---|
| 1031 | // 0 = keep all Groebner bases in memory |
---|
| 1032 | // 1 = write all Groebner bases to disk and read whenever necessary |
---|
| 1033 | // 2 = use a mixed heuristic, based on length of Groebner bases |
---|
| 1034 | // */ |
---|
| 1035 | // if( h!=NULL && h->Typ()==IDEAL_CMD && h->next!=NULL && h->next->Typ()==INT_CMD) |
---|
| 1036 | // { |
---|
| 1037 | // int heuristic; |
---|
| 1038 | // heuristic=(int)(long)h->next->Data(); |
---|
| 1039 | // ideal I=((ideal)h->Data()); |
---|
| 1040 | // #ifndef USE_ZFAN |
---|
| 1041 | // #define USE_ZFAN |
---|
| 1042 | // #endif |
---|
| 1043 | // #ifndef USE_ZFAN |
---|
| 1044 | // res->rtyp=LIST_CMD; //res->rtyp=coneID; res->data(void*)zcone; |
---|
| 1045 | // res->data=(lists) grfan(I,heuristic,FALSE); |
---|
| 1046 | // #else |
---|
| 1047 | // res->rtyp=fanID; |
---|
| 1048 | // res->data=(void*)(grfan(I,heuristic,FALSE)); |
---|
| 1049 | // #endif |
---|
| 1050 | // return FALSE; |
---|
| 1051 | // } |
---|
| 1052 | // else |
---|
| 1053 | // { |
---|
| 1054 | // WerrorS("Usage: grfan(<ideal>,<int>)"); |
---|
| 1055 | // return TRUE; |
---|
| 1056 | // } |
---|
| 1057 | // } |
---|
| 1058 | //Possibility to have only one Groebner cone computed by specifying a weight vector FROM THE RELATIVE INTERIOR! |
---|
| 1059 | //Needs wp as ordering! |
---|
| 1060 | // if(strcmp(sys_cmd,"grcone")==0) |
---|
| 1061 | // { |
---|
| 1062 | // if(h!=NULL && h->Typ()==IDEAL_CMD && h->next!=NULL && h->next->Typ()==INT_CMD) |
---|
| 1063 | // { |
---|
| 1064 | // ideal I=((ideal)h->Data()); |
---|
| 1065 | // res->rtyp=LIST_CMD; |
---|
| 1066 | // res->data=(lists)grcone_by_intvec(I); |
---|
| 1067 | // } |
---|
| 1068 | // } |
---|
| 1069 | |
---|
| 1070 | |
---|
[58b407] | 1071 | void bbfan_setup(SModulFunctions* p) |
---|
[81384b] | 1072 | { |
---|
| 1073 | blackbox *b=(blackbox*)omAlloc0(sizeof(blackbox)); |
---|
| 1074 | // all undefined entries will be set to default in setBlackboxStuff |
---|
| 1075 | // the default Print is quite usefule, |
---|
| 1076 | // all other are simply error messages |
---|
| 1077 | b->blackbox_destroy=bbfan_destroy; |
---|
| 1078 | b->blackbox_String=bbfan_String; |
---|
| 1079 | //b->blackbox_Print=blackbox_default_Print; |
---|
| 1080 | b->blackbox_Init=bbfan_Init; |
---|
| 1081 | b->blackbox_Copy=bbfan_Copy; |
---|
| 1082 | b->blackbox_Assign=bbfan_Assign; |
---|
[0c2597] | 1083 | p->iiAddCproc("","emptyFan",FALSE,emptyFan); |
---|
| 1084 | p->iiAddCproc("","fullFan",FALSE,fullFan); |
---|
[81384b] | 1085 | /* the following functions are implemented in bbcone.cc */ |
---|
| 1086 | // iiAddCproc("","containsInSupport",FALSE,containsInSupport); |
---|
| 1087 | // iiAddCproc("","getAmbientDimension",FALSE,getAmbientDimension); |
---|
| 1088 | // iiAddCproc("","getCodimension",FALSE,getDimension); |
---|
| 1089 | // iiAddCproc("","getDimension",FALSE,getDimension); |
---|
| 1090 | // iiAddCproc("","getLinealityDimension",FALSE,getLinealityDimension); |
---|
| 1091 | // iiAddCproc("","isSimplicial",FALSE,isSimplicial); |
---|
| 1092 | /********************************************************/ |
---|
[58b407] | 1093 | p->iiAddCproc("","isCompatible",FALSE,isCompatible); |
---|
| 1094 | p->iiAddCproc("","numberOfConesOfDimension",FALSE,numberOfConesOfDimension); |
---|
| 1095 | p->iiAddCproc("","ncones",FALSE,ncones); |
---|
| 1096 | p->iiAddCproc("","nmaxcones",FALSE,nmaxcones); |
---|
| 1097 | p->iiAddCproc("","insertCone",FALSE,insertCone); |
---|
| 1098 | p->iiAddCproc("","removeCone",FALSE,removeCone); |
---|
| 1099 | p->iiAddCproc("","getCone",FALSE,getCone); |
---|
| 1100 | p->iiAddCproc("","getCones",FALSE,getCones); |
---|
| 1101 | p->iiAddCproc("","isPure",FALSE,isPure); |
---|
| 1102 | p->iiAddCproc("","fanFromString",FALSE,fanFromString); |
---|
| 1103 | p->iiAddCproc("","fanViaCones",FALSE,fanViaCones); |
---|
| 1104 | p->iiAddCproc("","numberOfConesWithVector",FALSE,numberOfConesWithVector); |
---|
[81384b] | 1105 | // iiAddCproc("","isComplete",FALSE,isComplete); not working as expected, should leave this to polymake |
---|
[58b407] | 1106 | p->iiAddCproc("","fVector",FALSE,fVector); |
---|
| 1107 | p->iiAddCproc("","containsInCollection",FALSE,containsInCollection); |
---|
[e44b149] | 1108 | p->iiAddCproc("","tropicalVariety",FALSE,tropicalVariety); |
---|
| 1109 | p->iiAddCproc("","commonRefinement",FALSE,commonRefinement); |
---|
[81384b] | 1110 | // iiAddCproc("","grFan",FALSE,grFan); |
---|
| 1111 | fanID=setBlackboxStuff(b,"fan"); |
---|
| 1112 | //Print("created type %d (fan)\n",fanID); |
---|
| 1113 | } |
---|