[762407] | 1 | #include "config.h" |
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[f5b40a] | 2 | #include <kernel/mod2.h> |
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[3937ab] | 3 | #ifdef HAVE_FANS |
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| 4 | |
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[8080db] | 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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[3ec4fce] | 11 | #include <kernel/bbfan.h> |
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[50831b] | 12 | #include <kernel/bbcone.h> |
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[8080db] | 13 | #include <ipshell.h> |
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[0fb34ba] | 14 | #include <misc/intvec.h> |
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[8080db] | 15 | #include <sstream> |
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[3937ab] | 16 | #include <gfanlib/gfanlib.h> |
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[8080db] | 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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[d98f30] | 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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[8080db] | 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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[d98f30] | 245 | zc->canonicalize(); |
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[8080db] | 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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