[35aab3] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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[341696] | 4 | /* $Id$ */ |
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[35aab3] | 5 | /* |
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| 6 | * ABSTRACT - Kernel: factorizing alg. of Buchberger |
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| 7 | */ |
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| 8 | |
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[599326] | 9 | #include <kernel/mod2.h> |
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| 10 | #include <omalloc.h> |
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| 11 | #include <kernel/options.h> |
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| 12 | #include <kernel/polys.h> |
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| 13 | #include <kernel/ideals.h> |
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| 14 | #include <kernel/febase.h> |
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| 15 | #include <kernel/kutil.h> |
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| 16 | #include <kernel/kstd1.h> |
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| 17 | #include <kernel/khstd.h> |
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[35aab3] | 18 | //#include "cntrlc.h" |
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[599326] | 19 | #include <kernel/weight.h> |
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[35aab3] | 20 | //#include "ipshell.h" |
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[599326] | 21 | #include <kernel/intvec.h> |
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[35aab3] | 22 | #ifdef HAVE_FACTORY |
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[599326] | 23 | #include <kernel/clapsing.h> |
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[35aab3] | 24 | #endif |
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[599326] | 25 | #include <kernel/ideals.h> |
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| 26 | #include <kernel/timer.h> |
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| 27 | #include <kernel/kstdfac.h> |
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[35aab3] | 28 | |
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| 29 | #ifdef HAVE_FACTORY |
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[2d9e1e] | 30 | |
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| 31 | #ifndef NDEBUG |
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| 32 | int strat_nr=0; |
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| 33 | int strat_fac_debug=0; |
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| 34 | #endif |
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[35aab3] | 35 | /*3 |
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| 36 | * copy o->T to n->T, assumes that n->S is already copied |
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| 37 | */ |
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| 38 | static void copyT (kStrategy o,kStrategy n) |
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| 39 | { |
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| 40 | int i,j; |
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| 41 | poly p; |
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| 42 | TSet t=(TSet)omAlloc0(o->tmax*sizeof(TObject)); |
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| 43 | TObject** r = (TObject**)omAlloc0(o->tmax*sizeof(TObject*)); |
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| 44 | |
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| 45 | for (j=0; j<=o->tl; j++) |
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| 46 | { |
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| 47 | t[j] = o->T[j]; |
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| 48 | r[t[j].i_r] = &t[j]; |
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| 49 | p = o->T[j].p; |
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| 50 | i = -1; |
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| 51 | loop |
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| 52 | { |
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| 53 | i++; |
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| 54 | if (i>o->sl) |
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| 55 | { |
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| 56 | t[j].p=pCopy(p); |
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| 57 | break; |
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| 58 | } |
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| 59 | if (p == o->S[i]) |
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| 60 | { |
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| 61 | t[j].p=n->S[i]; |
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| 62 | break; |
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| 63 | } |
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| 64 | } |
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| 65 | t[j].t_p = NULL; // ?? or t[j].p ?? |
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| 66 | t[j].max = NULL; // ?? or p_GetMaxExpP(t[j].t_p,o->tailRing); ?? |
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[2d9e1e] | 67 | t[j].pLength = pLength(p); |
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[35aab3] | 68 | } |
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| 69 | n->T=t; |
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| 70 | n->R=r; |
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| 71 | } |
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| 72 | |
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| 73 | /*3 |
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| 74 | * copy o->L to n->L, assumes that n->T,n->tail is already copied |
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| 75 | */ |
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| 76 | static void copyL (kStrategy o,kStrategy n) |
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| 77 | { |
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| 78 | int i,j; |
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| 79 | poly p; |
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| 80 | LSet l=(LSet)omAlloc(o->Lmax*sizeof(LObject)); |
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| 81 | |
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| 82 | for (j=0; j<=o->Ll; j++) |
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| 83 | { |
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| 84 | l[j] = o->L[j]; |
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| 85 | // copy .p ---------------------------------------------- |
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| 86 | if (pNext(o->L[j].p)!=o->tail) |
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| 87 | l[j].p=pCopy(o->L[j].p); |
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| 88 | else |
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| 89 | { |
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| 90 | l[j].p=pHead(o->L[j].p); |
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| 91 | pNext(l[j].p)=n->tail; |
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| 92 | } |
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| 93 | // copy .lcm ---------------------------------------------- |
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| 94 | if (o->L[j].lcm!=NULL) |
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| 95 | l[j].lcm=pLmInit(o->L[j].lcm); |
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| 96 | else |
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| 97 | l[j].lcm=NULL; |
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| 98 | l[j].p1=NULL; |
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| 99 | l[j].p2=NULL; |
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| 100 | l[j].t_p = NULL; |
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| 101 | |
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| 102 | // copy .p1 , i_r1---------------------------------------------- |
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| 103 | p = o->L[j].p1; |
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| 104 | i = -1; |
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| 105 | loop |
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| 106 | { |
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| 107 | if(p==NULL) break; |
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| 108 | i++; |
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| 109 | if(i>o->tl) |
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| 110 | { |
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| 111 | Warn("poly p1 not found in T:");wrp(p);PrintLn(); |
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| 112 | l[j].p1=pCopy(p); |
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| 113 | l[j].i_r1=-1; |
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| 114 | break; |
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| 115 | } |
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| 116 | if (p == o->T[i].p) |
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| 117 | { |
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| 118 | l[j].p1=n->T[i].p; |
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| 119 | l[j].i_r1=n->T[i].i_r; |
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| 120 | break; |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | // copy .p2 , i_r2---------------------------------------------- |
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| 125 | p = o->L[j].p2; |
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| 126 | i = -1; |
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| 127 | loop |
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| 128 | { |
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| 129 | if(p==NULL) break; |
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| 130 | i++; |
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| 131 | if(i>o->tl) |
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| 132 | { |
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| 133 | Warn("poly p2 not found in T:");wrp(p);PrintLn(); |
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| 134 | l[j].p2=pCopy(p); |
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| 135 | l[j].i_r2=-1; |
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| 136 | break; |
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| 137 | } |
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| 138 | if (p == o->T[i].p) |
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| 139 | { |
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| 140 | l[j].p2=n->T[i].p; |
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| 141 | l[j].i_r2=n->T[i].i_r; |
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| 142 | break; |
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| 143 | } |
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| 144 | } |
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| 145 | |
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| 146 | // copy .ecart --------------------------------------------- |
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| 147 | l[j].ecart=o->L[j].ecart; |
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| 148 | // copy .length -------------------------------------------- |
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| 149 | l[j].length=o->L[j].length; |
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| 150 | // copy .pLength ------------------------------------------- |
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| 151 | l[j].pLength=o->L[j].pLength; |
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| 152 | // copy .sev ----------------------------------------------- |
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| 153 | l[j].sev=o->L[j].sev; |
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| 154 | l[j].i_r = o->L[j].i_r; |
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| 155 | //l[j].i_r1 = o->L[j].i_r1; |
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| 156 | //l[j].i_r2 = o->L[j].i_r2; |
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| 157 | } |
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| 158 | n->L=l; |
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| 159 | } |
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| 160 | |
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| 161 | kStrategy kStratCopy(kStrategy o) |
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| 162 | { |
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| 163 | int i; |
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| 164 | kTest_TS(o); |
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| 165 | kStrategy s=new skStrategy; |
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| 166 | s->next=NULL; |
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| 167 | s->red=o->red; |
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| 168 | s->initEcart=o->initEcart; |
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| 169 | s->posInT=o->posInT; |
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| 170 | s->posInL=o->posInL; |
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| 171 | s->enterS=o->enterS; |
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| 172 | s->initEcartPair=o->initEcartPair; |
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| 173 | s->posInLOld=o->posInLOld; |
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[9efc0e] | 174 | s->enterOnePair=o->enterOnePair; |
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[6c55ae] | 175 | s->chainCrit=o->chainCrit; |
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[35aab3] | 176 | s->Shdl=idCopy(o->Shdl); |
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| 177 | s->S=s->Shdl->m; |
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| 178 | s->tailRing = o->tailRing; |
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| 179 | if (o->D!=NULL) s->D=idCopy(o->D); |
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| 180 | else s->D=NULL; |
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| 181 | s->ecartS=(int *)omAlloc(IDELEMS(o->Shdl)*sizeof(int)); |
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| 182 | memcpy(s->ecartS,o->ecartS,IDELEMS(o->Shdl)*sizeof(int)); |
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| 183 | s->sevS=(unsigned long *)omAlloc(IDELEMS(o->Shdl)*sizeof(unsigned long)); |
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| 184 | memcpy(s->sevS,o->sevS,IDELEMS(o->Shdl)*sizeof(unsigned long)); |
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| 185 | s->S_2_R=(int*)omAlloc(IDELEMS(o->Shdl)*sizeof(int)); |
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| 186 | memcpy(s->S_2_R,o->S_2_R,IDELEMS(o->Shdl)*sizeof(int)); |
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| 187 | s->sevT=(unsigned long *)omAlloc(o->tmax*sizeof(unsigned long)); |
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| 188 | memcpy(s->sevT,o->sevT,o->tmax*sizeof(unsigned long)); |
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| 189 | if(o->fromQ!=NULL) |
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| 190 | { |
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| 191 | s->fromQ=(int *)omAlloc(IDELEMS(o->Shdl)*sizeof(int)); |
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| 192 | memcpy(s->fromQ,o->fromQ,IDELEMS(o->Shdl)*sizeof(int)); |
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| 193 | } |
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| 194 | else |
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| 195 | s->fromQ=NULL; |
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| 196 | copyT(o,s);//s->T=... |
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| 197 | s->tail = pInit(); |
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| 198 | copyL(o,s);//s->L=... |
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| 199 | s->B=initL(); |
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| 200 | s->kHEdge=pCopy(o->kHEdge); |
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| 201 | s->kNoether=pCopy(o->kNoether); |
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| 202 | if (o->NotUsedAxis!=NULL) |
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| 203 | { |
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| 204 | s->NotUsedAxis=(BOOLEAN *)omAlloc(currRing->N*sizeof(BOOLEAN)); |
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| 205 | memcpy(s->NotUsedAxis,o->NotUsedAxis,currRing->N*sizeof(BOOLEAN)); |
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| 206 | } |
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| 207 | s->kIdeal=NULL; |
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| 208 | //s->P=s->L[s->Ll+1]; |
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| 209 | s->P.Init(o->tailRing); |
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| 210 | s->update=o->update; |
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| 211 | s->posInLOldFlag=o->posInLOldFlag; |
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| 212 | s->kModW = o->kModW; |
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| 213 | // if (o->kModW!=NULL) |
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| 214 | // s->kModW=ivCopy(o->kModW); |
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| 215 | // else |
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| 216 | // s->kModW=NULL; |
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| 217 | s->pairtest=NULL; |
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| 218 | s->sl=o->sl; |
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| 219 | s->mu=o->mu; |
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| 220 | s->tl=o->tl; |
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| 221 | s->tmax=o->tmax; |
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| 222 | s->Ll=o->Ll; |
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| 223 | s->Lmax=o->Lmax; |
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[095de6d] | 224 | s->Bl=-1; |
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| 225 | s->Bmax=setmaxL; |
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[35aab3] | 226 | s->ak=o->ak; |
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| 227 | s->syzComp=o->syzComp; |
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| 228 | s->LazyPass=o->LazyPass; |
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| 229 | s->LazyDegree=o->LazyDegree; |
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| 230 | s->HCord=o->HCord; |
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| 231 | s->lastAxis=o->lastAxis; |
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| 232 | s->interpt=o->interpt; |
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| 233 | s->homog=o->homog; |
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| 234 | s->news=o->news; |
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| 235 | s->newt=o->newt; |
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| 236 | s->kHEdgeFound=o->kHEdgeFound; |
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| 237 | s->honey=o->honey; |
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| 238 | s->sugarCrit=o->sugarCrit; |
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| 239 | s->Gebauer=o->Gebauer; |
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| 240 | s->noTailReduction=o->noTailReduction; |
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| 241 | s->fromT=o->fromT; |
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| 242 | s->noetherSet=o->noetherSet; |
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[63b728c] | 243 | #ifdef HAVE_SHIFTBBA |
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| 244 | s->lV=o->lV; |
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| 245 | #endif |
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[d8be851] | 246 | #ifdef HAVE_PLURAL |
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[63b728c] | 247 | s->no_prod_crit=o->no_prod_crit; |
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[d8be851] | 248 | #endif |
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[35aab3] | 249 | kTest_TS(s); |
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| 250 | return s; |
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| 251 | } |
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| 252 | |
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| 253 | BOOLEAN k_factorize(poly p,ideal &rfac, ideal &fac_copy) |
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| 254 | { |
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[b130fb] | 255 | int facdeg=pFDeg(p,currRing); |
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[3e4ab7] | 256 | ideal fac=singclap_factorize(pCopy(p),NULL,1); |
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[35aab3] | 257 | int fac_elems; |
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[d3e630] | 258 | #ifndef HAVE_FACTORY |
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[35aab3] | 259 | if (fac==NULL) |
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| 260 | { |
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| 261 | fac=idInit(1,1); |
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[6f6c1b] | 262 | fac->m[0]=pCopy(p); |
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[35aab3] | 263 | fac_elems=1; |
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| 264 | } |
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| 265 | else |
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| 266 | #endif |
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| 267 | fac_elems=IDELEMS(fac); |
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| 268 | rfac=fac; |
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| 269 | fac_copy=idInit(fac_elems,1); |
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| 270 | |
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[b130fb] | 271 | if ((fac_elems!=1)||(facdeg!=pFDeg(fac->m[0],currRing))) |
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[35aab3] | 272 | { |
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| 273 | if (TEST_OPT_DEBUG) |
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| 274 | { |
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| 275 | Print("-> %d factors\n",fac_elems); |
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[2d9e1e] | 276 | if (fac_elems!=1) |
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| 277 | { |
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| 278 | pWrite(p); PrintS(" ->\n"); |
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| 279 | int ii=fac_elems; |
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| 280 | while(ii>0) { ii--;pWrite(fac->m[ii]); } |
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| 281 | } |
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[35aab3] | 282 | } |
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| 283 | else if (TEST_OPT_PROT) |
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| 284 | { |
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| 285 | int ii=fac_elems; |
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| 286 | if (ii>1) |
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| 287 | { |
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| 288 | while(ii>0) { PrintS("F"); ii--; } |
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| 289 | } |
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| 290 | } |
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[2d9e1e] | 291 | #ifndef NDEBUG |
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| 292 | else if (strat_fac_debug) |
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| 293 | { |
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| 294 | pWrite(p); |
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| 295 | Print("-> %d factors\n",fac_elems); |
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| 296 | if (fac_elems!=1) |
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| 297 | { |
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| 298 | int ii=fac_elems; |
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| 299 | while(ii>0) { ii--;pWrite(fac->m[ii]); } |
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| 300 | } |
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| 301 | } |
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| 302 | #endif |
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[35aab3] | 303 | return TRUE; |
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| 304 | } |
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| 305 | else |
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| 306 | { |
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| 307 | pDelete(&(fac->m[0])); |
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| 308 | fac->m[0]=pCopy(p); |
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| 309 | } |
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| 310 | return FALSE; |
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| 311 | } |
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| 312 | |
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| 313 | static void completeReduceFac (kStrategy strat, ideal_list FL) |
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| 314 | { |
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| 315 | int si; |
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| 316 | |
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| 317 | strat->noTailReduction = FALSE; |
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| 318 | if (TEST_OPT_PROT) |
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| 319 | { |
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| 320 | PrintLn(); |
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| 321 | if (timerv) writeTime("standard base computed:"); |
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| 322 | } |
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| 323 | if (TEST_OPT_PROT) |
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| 324 | { |
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| 325 | Print("(S:%d)",strat->sl);mflush(); |
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| 326 | } |
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| 327 | for (si=strat->sl; si>0; si--) |
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| 328 | { |
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| 329 | //if (strat->interpt) test_int_std(strat->kIdeal); |
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| 330 | strat->S[si] = redtailBba(strat->S[si],si-1,strat); |
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| 331 | if (TEST_OPT_INTSTRATEGY) |
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| 332 | { |
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[a0d9be] | 333 | strat->S[si]=p_Cleardenom(strat->S[si], currRing); |
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[35aab3] | 334 | } |
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| 335 | if (TEST_OPT_PROT) |
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| 336 | { |
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| 337 | PrintS("-");mflush(); |
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| 338 | } |
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| 339 | ideal fac; |
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| 340 | ideal fac_copy; |
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| 341 | |
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| 342 | if (!k_factorize(strat->S[si],fac,fac_copy)) |
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| 343 | { |
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| 344 | idDelete(&fac); |
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| 345 | idDelete(&fac_copy); |
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| 346 | continue; |
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| 347 | } |
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| 348 | |
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| 349 | deleteInS(si,strat); |
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| 350 | |
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| 351 | int i; |
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| 352 | for(i=IDELEMS(fac)-1;i>=0;i--) |
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| 353 | { |
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| 354 | kStrategy n=strat; |
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| 355 | if (i>=1) |
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| 356 | { |
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| 357 | n=kStratCopy(strat); // includes: memset(&n->P,0,sizeof(n->P)); |
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| 358 | n->next=strat->next; |
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| 359 | strat->next=n; |
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| 360 | } |
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| 361 | else |
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| 362 | { |
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| 363 | n->P.Init(strat->tailRing); |
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| 364 | } |
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| 365 | |
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| 366 | n->P.p=fac->m[i]; |
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| 367 | n->P.pLength=0; |
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| 368 | n->initEcart(&n->P); |
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| 369 | /* enter P.p into s and L */ |
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| 370 | int pos; |
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| 371 | if (n->sl==-1) pos=0; |
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| 372 | else pos=posInS(n,n->sl,n->P.p,n->P.ecart); |
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| 373 | if (TEST_OPT_INTSTRATEGY) |
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| 374 | { |
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| 375 | n->P.p = redtailBba(n->P.p,pos-1,n); |
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[c0e2c36] | 376 | n->P.pCleardenom(); |
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[35aab3] | 377 | } |
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| 378 | else |
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| 379 | { |
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| 380 | pNorm(n->P.p); |
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| 381 | n->P.p = redtailBba(n->P.p,pos-1,n); |
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| 382 | } |
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[37d75ad] | 383 | n->P.pLength=0; |
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[35aab3] | 384 | if (TEST_OPT_DEBUG) |
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| 385 | { |
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| 386 | PrintS("new s:"); |
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| 387 | wrp(n->P.p); |
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| 388 | PrintLn(); |
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| 389 | } |
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| 390 | enterpairs(n->P.p,n->sl,n->P.ecart,pos,n); |
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| 391 | enterT(n->P,n); |
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| 392 | n->enterS(n->P,pos,n, n->tl); |
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| 393 | |
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| 394 | /* construct D */ |
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| 395 | if (IDELEMS(fac)>1) |
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| 396 | { |
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| 397 | if (n->D==NULL) |
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| 398 | { |
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| 399 | n->D=idCopy(fac_copy); |
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| 400 | idSkipZeroes(n->D); |
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| 401 | } |
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| 402 | else |
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| 403 | { |
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| 404 | idTest(n->D); |
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| 405 | ideal r=idAdd(n->D,fac_copy); |
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| 406 | idDelete(&n->D); |
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| 407 | n->D=r; |
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| 408 | } |
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| 409 | if (TEST_OPT_DEBUG) |
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| 410 | { |
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| 411 | PrintS("new D:\n"); |
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| 412 | iiWriteMatrix((matrix)n->D,"D",1,0); |
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| 413 | PrintLn(); |
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| 414 | } |
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| 415 | } |
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[2d9e1e] | 416 | #ifndef NDEBUG |
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| 417 | if(strat_fac_debug) |
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| 418 | { |
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| 419 | int ii; |
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[51922a] | 420 | Print("---------------------------------------------------------------\ns(%d), set S\n",n->nr); |
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[2d9e1e] | 421 | for(ii=0;ii<n->sl;ii++) |
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[51922a] | 422 | { Print("s(%d->S[%d]= ",n->nr,ii);pWrite(n->S[ii]);} |
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[2d9e1e] | 423 | Print("s(%d), set D\n",n->nr); |
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[51922a] | 424 | if (n->D!=NULL) |
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| 425 | { |
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| 426 | for(ii=0;ii<IDELEMS(n->D);ii++) |
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| 427 | { Print("s(%d->D[%d]= ",n->nr,ii);pWrite(n->D->m[ii]);} |
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| 428 | } |
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| 429 | else PrintS(" empty\n"); |
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[2d9e1e] | 430 | } |
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| 431 | #endif |
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[35aab3] | 432 | |
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| 433 | fac_copy->m[i]=pCopy(fac->m[i]); |
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| 434 | fac->m[i]=NULL; |
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| 435 | |
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| 436 | /* check for empty sets */ |
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| 437 | if (n->D!=NULL) |
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| 438 | { |
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| 439 | int j=IDELEMS(n->D)-1; |
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| 440 | while(j>=0) |
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| 441 | { |
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| 442 | if (n->D->m[j]!=NULL) |
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| 443 | { |
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[18ff4c] | 444 | poly r=kNF(n->Shdl,NULL,n->D->m[j],0,KSTD_NF_LAZY | KSTD_NF_NONORM); |
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[35aab3] | 445 | if (r==NULL) |
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| 446 | { |
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[2d9e1e] | 447 | #ifndef NDEBUG |
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| 448 | if(strat_fac_debug) |
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| 449 | { |
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| 450 | Print("empty set s(%d) because: D[%d] -> 0\n", |
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| 451 | n->nr, j); |
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| 452 | Print("s(%d)->D[%d]= ",n->nr,j);pWrite(n->D->m[j]); |
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| 453 | } |
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| 454 | #endif |
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[35aab3] | 455 | if (TEST_OPT_DEBUG) |
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| 456 | { |
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| 457 | PrintS("empty set because:"); |
---|
| 458 | wrp(n->D->m[j]); |
---|
| 459 | PrintLn(); |
---|
| 460 | messageSets(n); |
---|
| 461 | } |
---|
| 462 | while (n->Ll >= 0) deleteInL(n->L,&n->Ll,n->Ll,n); |
---|
| 463 | while (n->tl >= 0) |
---|
| 464 | { |
---|
| 465 | int i=n->sl; |
---|
| 466 | while (i>=0) |
---|
| 467 | { |
---|
| 468 | if (n->S[i]==n->T[n->tl].p) |
---|
| 469 | { |
---|
| 470 | n->T[n->tl].p=NULL; n->S[i]=NULL; |
---|
| 471 | break; |
---|
| 472 | } |
---|
| 473 | i--; |
---|
| 474 | } |
---|
| 475 | pDelete(&n->T[n->tl].p); |
---|
| 476 | n->tl--; |
---|
| 477 | } |
---|
| 478 | memset(n->Shdl->m,0,IDELEMS(n->Shdl)*sizeof(poly)); |
---|
| 479 | n->sl=-1; |
---|
| 480 | if (strat==n) si=-1; |
---|
| 481 | break; |
---|
| 482 | } |
---|
| 483 | else |
---|
| 484 | { |
---|
| 485 | pDelete(&r); |
---|
| 486 | } |
---|
| 487 | } |
---|
| 488 | j--; |
---|
| 489 | } |
---|
| 490 | } |
---|
| 491 | /* check for empty sets */ |
---|
| 492 | { |
---|
| 493 | ideal_list Lj=FL; |
---|
| 494 | while (Lj!=NULL) |
---|
| 495 | { |
---|
| 496 | if ((n->sl>=0)&&(n->S[0]!=NULL)) |
---|
| 497 | { |
---|
[18ff4c] | 498 | ideal r=kNF(n->Shdl,NULL,Lj->d,0,KSTD_NF_LAZY | KSTD_NF_NONORM); |
---|
[2d9e1e] | 499 | #ifndef NDEBUG |
---|
| 500 | if(strat_fac_debug) |
---|
| 501 | { |
---|
| 502 | Print("empty set s(%d) because:L[%d]\n",n->nr,Lj->nr); |
---|
| 503 | PrintS("L:\n"); |
---|
| 504 | iiWriteMatrix((matrix)Lj->d,"L",1,0); |
---|
| 505 | } |
---|
| 506 | #endif |
---|
[35aab3] | 507 | if (idIs0(r)) |
---|
| 508 | { |
---|
| 509 | if (TEST_OPT_DEBUG) |
---|
| 510 | { |
---|
[ff071e] | 511 | Print("empty set because:L[%p]\n",(void *)Lj); |
---|
[35aab3] | 512 | } |
---|
| 513 | while (n->Ll >= 0) deleteInL(n->L,&n->Ll,n->Ll,n); |
---|
| 514 | while (n->tl >= 0) |
---|
| 515 | { |
---|
| 516 | int i=n->sl; |
---|
| 517 | while (i>=0) |
---|
| 518 | { |
---|
| 519 | if (n->S[i]==n->T[n->tl].p) |
---|
| 520 | { |
---|
| 521 | n->T[n->tl].p=NULL; n->S[i]=NULL; |
---|
| 522 | break; |
---|
| 523 | } |
---|
| 524 | i--; |
---|
| 525 | } |
---|
| 526 | pDelete(&n->T[n->tl].p); |
---|
| 527 | n->tl--; |
---|
| 528 | } |
---|
| 529 | memset(n->Shdl->m,0,IDELEMS(n->Shdl)*sizeof(poly)); |
---|
| 530 | n->sl=-1; |
---|
| 531 | if (strat==n) si=-1; |
---|
| 532 | idDelete(&r); |
---|
| 533 | break; |
---|
| 534 | } |
---|
| 535 | idDelete(&r); |
---|
| 536 | } |
---|
| 537 | Lj=Lj->next; |
---|
| 538 | } |
---|
| 539 | } |
---|
| 540 | } /* for */ |
---|
| 541 | for(i=0;i<IDELEMS(fac);i++) fac->m[i]=NULL; |
---|
| 542 | idDelete(&fac); |
---|
| 543 | idDelete(&fac_copy); |
---|
| 544 | if ((strat->Ll>=0) && (strat->sl>=0)) break; |
---|
| 545 | else si=strat->sl+1; |
---|
| 546 | } |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | ideal bbafac (ideal F, ideal Q,intvec *w,kStrategy strat, ideal_list FL) |
---|
| 550 | { |
---|
| 551 | int srmax,lrmax; |
---|
| 552 | int olddeg,reduc=0; |
---|
| 553 | int red_result = 1; |
---|
| 554 | srmax = strat->sl; |
---|
| 555 | reduc = olddeg = lrmax = 0; |
---|
| 556 | /* compute------------------------------------------------------- */ |
---|
| 557 | if ((strat->Ll==-1) && (strat->sl>=0)) |
---|
| 558 | { |
---|
| 559 | if (TEST_OPT_REDSB) completeReduceFac(strat,FL); |
---|
| 560 | } |
---|
| 561 | kTest_TS(strat); |
---|
| 562 | while (strat->Ll >= 0) |
---|
| 563 | { |
---|
| 564 | if (strat->Ll > lrmax) lrmax =strat->Ll;/*stat.*/ |
---|
| 565 | if (TEST_OPT_DEBUG) messageSets(strat); |
---|
| 566 | //test_int_std(strat->kIdeal); |
---|
| 567 | if (strat->Ll== 0) strat->interpt=TRUE; |
---|
| 568 | if (TEST_OPT_DEGBOUND |
---|
| 569 | && ((strat->honey |
---|
[b130fb] | 570 | && (strat->L[strat->Ll].ecart+pFDeg(strat->L[strat->Ll].p,currRing)>Kstd1_deg)) |
---|
| 571 | || ((!strat->honey) && (pFDeg(strat->L[strat->Ll].p,currRing)>Kstd1_deg)))) |
---|
[35aab3] | 572 | { |
---|
| 573 | /* |
---|
| 574 | *stops computation if |
---|
| 575 | * 24 IN test and the degree +ecart of L[strat->Ll] is bigger then |
---|
| 576 | *a predefined number Kstd1_deg |
---|
| 577 | */ |
---|
| 578 | while (strat->Ll >= 0) deleteInL(strat->L,&strat->Ll,strat->Ll,strat); |
---|
| 579 | break; |
---|
| 580 | } |
---|
| 581 | /* picks the last element from the lazyset L */ |
---|
| 582 | strat->P = strat->L[strat->Ll]; |
---|
| 583 | strat->Ll--; |
---|
| 584 | if (pNext(strat->P.p) == strat->tail) |
---|
| 585 | { |
---|
| 586 | /* deletes the short spoly and computes */ |
---|
| 587 | pLmFree(strat->P.p); |
---|
| 588 | /* the real one */ |
---|
| 589 | strat->P.p = ksOldCreateSpoly(strat->P.p1, |
---|
| 590 | strat->P.p2, |
---|
| 591 | strat->kNoether); |
---|
| 592 | } |
---|
| 593 | if (strat->honey) |
---|
| 594 | { |
---|
| 595 | if (TEST_OPT_PROT) |
---|
[b130fb] | 596 | message(strat->P.ecart+pFDeg(strat->P.p,currRing),&olddeg,&reduc,strat, red_result); |
---|
[35aab3] | 597 | } |
---|
| 598 | else |
---|
| 599 | { |
---|
| 600 | if (TEST_OPT_PROT) |
---|
[b130fb] | 601 | message(pFDeg(strat->P.p,currRing),&olddeg,&reduc,strat, red_result); |
---|
[35aab3] | 602 | } |
---|
| 603 | /* reduction of the element choosen from L */ |
---|
| 604 | kTest_TS(strat); |
---|
| 605 | red_result = strat->red(&strat->P,strat); |
---|
| 606 | if (strat->P.p != NULL) |
---|
| 607 | { |
---|
| 608 | /* statistic */ |
---|
| 609 | if (TEST_OPT_PROT) PrintS("s"); |
---|
| 610 | ideal fac; |
---|
| 611 | ideal fac_copy; |
---|
| 612 | |
---|
| 613 | if (!k_factorize(strat->P.p,fac,fac_copy)) |
---|
| 614 | { |
---|
| 615 | if (TEST_OPT_INTSTRATEGY) |
---|
| 616 | { |
---|
| 617 | strat->P.p = redtailBba(strat->P.p,strat->sl,strat); |
---|
[c0e2c36] | 618 | if (strat->redTailChange) strat->P.pCleardenom(); |
---|
[35aab3] | 619 | } |
---|
| 620 | else |
---|
| 621 | { |
---|
| 622 | pNorm(strat->P.p); |
---|
| 623 | strat->P.p = redtailBba(strat->P.p,strat->sl,strat); |
---|
| 624 | } |
---|
| 625 | if (strat->redTailChange) |
---|
| 626 | { |
---|
| 627 | idDelete(&fac); |
---|
| 628 | idDelete(&fac_copy); |
---|
| 629 | if (!k_factorize(strat->P.p,fac,fac_copy)) |
---|
| 630 | { |
---|
| 631 | pDelete(&(fac->m[0])); |
---|
| 632 | fac->m[0]=strat->P.p; |
---|
| 633 | strat->P.p=NULL; |
---|
| 634 | } |
---|
| 635 | else |
---|
| 636 | { |
---|
| 637 | pDelete(&strat->P.p); |
---|
| 638 | } |
---|
| 639 | } |
---|
| 640 | } |
---|
| 641 | if (strat->P.lcm!=NULL) pLmFree(strat->P.lcm); |
---|
| 642 | int i; |
---|
| 643 | |
---|
| 644 | for(i=IDELEMS(fac)-1;i>=0;i--) |
---|
| 645 | { |
---|
| 646 | int ii; |
---|
| 647 | kStrategy n=strat; |
---|
| 648 | if (i>=1) |
---|
| 649 | { |
---|
| 650 | n=kStratCopy(strat); // includes memset(&n->P,0,sizeof(n->P)); |
---|
| 651 | kTest_TS(n); |
---|
| 652 | n->next=strat->next; |
---|
| 653 | strat->next=n; |
---|
| 654 | } |
---|
| 655 | else |
---|
| 656 | { |
---|
| 657 | n->P.Init(strat->tailRing); |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | n->P.p=fac->m[i]; |
---|
| 661 | n->initEcart(&n->P); |
---|
| 662 | kTest_TS(n); |
---|
| 663 | |
---|
| 664 | /* enter P.p into s and L */ |
---|
| 665 | int pos; |
---|
| 666 | if (n->sl==-1) pos=0; |
---|
| 667 | else pos=posInS(n,n->sl,n->P.p,n->P.ecart); |
---|
| 668 | |
---|
| 669 | // we have already reduced all elements from fac.... |
---|
| 670 | if (TEST_OPT_INTSTRATEGY) |
---|
| 671 | { |
---|
| 672 | n->P.p = redtailBba(n->P.p,pos-1,n); |
---|
[672e05] | 673 | if (n->redTailChange) |
---|
| 674 | { |
---|
[c0e2c36] | 675 | n->P.pCleardenom(); |
---|
[672e05] | 676 | n->P.pLength=0; |
---|
| 677 | } |
---|
[35aab3] | 678 | } |
---|
| 679 | else |
---|
| 680 | { |
---|
| 681 | pNorm(n->P.p); |
---|
| 682 | n->P.p = redtailBba(n->P.p,pos-1,n); |
---|
[672e05] | 683 | if (n->redTailChange) |
---|
| 684 | { |
---|
| 685 | n->P.pLength=0; |
---|
| 686 | } |
---|
[35aab3] | 687 | } |
---|
| 688 | kTest_TS(n); |
---|
| 689 | |
---|
| 690 | if (TEST_OPT_DEBUG) |
---|
| 691 | { |
---|
| 692 | PrintS("new s:"); |
---|
| 693 | wrp(n->P.p); |
---|
| 694 | PrintLn(); |
---|
| 695 | } |
---|
| 696 | enterpairs(n->P.p,n->sl,n->P.ecart,pos,n); |
---|
| 697 | enterT(n->P,n); |
---|
| 698 | n->enterS(n->P,pos,n, n->tl); |
---|
| 699 | { |
---|
| 700 | int i=n->Ll; |
---|
| 701 | for(;i>=0;i--) |
---|
| 702 | { |
---|
| 703 | n->L[i].i_r1= -1; |
---|
| 704 | for(ii=0; ii<=n->tl; ii++) |
---|
| 705 | { |
---|
| 706 | if (n->R[ii]->p==n->L[i].p1) { n->L[i].i_r1=ii;break; } |
---|
| 707 | } |
---|
| 708 | n->L[i].i_r2= -1; |
---|
| 709 | for(ii=0; ii<=n->tl; ii++) |
---|
| 710 | { |
---|
| 711 | if (n->R[ii]->p==n->L[i].p2) { n->L[i].i_r2=ii;break; } |
---|
| 712 | } |
---|
| 713 | } |
---|
| 714 | } |
---|
| 715 | kTest_TS(n); |
---|
| 716 | if (n->sl>srmax) srmax = n->sl; |
---|
| 717 | |
---|
| 718 | /* construct D */ |
---|
| 719 | if (IDELEMS(fac)>1) |
---|
| 720 | { |
---|
| 721 | if (n->D==NULL) |
---|
| 722 | { |
---|
| 723 | n->D=idCopy(fac_copy); |
---|
| 724 | idSkipZeroes(n->D); |
---|
| 725 | } |
---|
| 726 | else |
---|
| 727 | { |
---|
| 728 | idTest(n->D); |
---|
| 729 | ideal r=idAdd(n->D,fac_copy); |
---|
| 730 | idDelete(&n->D); |
---|
| 731 | n->D=r; |
---|
| 732 | } |
---|
| 733 | if (TEST_OPT_DEBUG) |
---|
| 734 | { |
---|
| 735 | PrintS("new D:\n"); |
---|
| 736 | iiWriteMatrix((matrix)n->D,"D",1,0); |
---|
| 737 | PrintLn(); |
---|
| 738 | } |
---|
| 739 | } |
---|
[2d9e1e] | 740 | #ifndef NDEBUG |
---|
| 741 | if(strat_fac_debug) |
---|
| 742 | { |
---|
| 743 | int ii; |
---|
[51922a] | 744 | Print("-------------------------------------------------------------\ns(%d), set S\n",n->nr); |
---|
[2d9e1e] | 745 | for(ii=0;ii<n->sl;ii++) |
---|
[51922a] | 746 | { Print("s(%d->S[%d]= ",n->nr,ii);pWrite(n->S[ii]);} |
---|
[2d9e1e] | 747 | Print("s(%d), set D\n",n->nr); |
---|
[51922a] | 748 | if (n->D!=NULL) |
---|
| 749 | { |
---|
| 750 | for(ii=0;ii<IDELEMS(n->D);ii++) |
---|
| 751 | { Print("s(%d->D[%d]= ",n->nr,ii);pWrite(n->D->m[ii]);} |
---|
| 752 | } |
---|
| 753 | else PrintS(" empty\n"); |
---|
[2d9e1e] | 754 | } |
---|
| 755 | #endif |
---|
[35aab3] | 756 | |
---|
| 757 | fac_copy->m[i]=pCopy(fac->m[i]); |
---|
| 758 | fac->m[i]=NULL; |
---|
| 759 | |
---|
| 760 | /* check for empty sets */ |
---|
| 761 | if (n->D!=NULL) |
---|
| 762 | { |
---|
| 763 | int j=IDELEMS(n->D)-1; |
---|
| 764 | while(j>=0) |
---|
| 765 | { |
---|
| 766 | if (n->D->m[j]!=NULL) |
---|
| 767 | { |
---|
[18ff4c] | 768 | poly r=kNF(n->Shdl,NULL,n->D->m[j],0,KSTD_NF_LAZY | KSTD_NF_NONORM); |
---|
[35aab3] | 769 | if (r==NULL) |
---|
| 770 | { |
---|
[2d9e1e] | 771 | #ifndef NDEBUG |
---|
| 772 | if(strat_fac_debug) |
---|
| 773 | { |
---|
| 774 | Print("empty set s(%d) because: D[%d] -> 0\n", |
---|
| 775 | n->nr, j); |
---|
| 776 | Print("s(%d)->D[%d]= ",n->nr,j);pWrite(n->D->m[j]); |
---|
| 777 | } |
---|
| 778 | #endif |
---|
[35aab3] | 779 | if (TEST_OPT_DEBUG) |
---|
| 780 | { |
---|
| 781 | PrintS("empty set because:"); |
---|
| 782 | wrp(n->D->m[j]); |
---|
| 783 | PrintLn(); |
---|
| 784 | messageSets(n); |
---|
| 785 | } |
---|
| 786 | //if (n->Ll >=0) Print("Ll:%d|",n->Ll); |
---|
| 787 | while (n->Ll >= 0) deleteInL(n->L,&n->Ll,n->Ll,n); |
---|
| 788 | //if (n->tl >=0) Print("tl:%d|",n->tl); |
---|
| 789 | while (n->tl >= 0) |
---|
| 790 | { |
---|
| 791 | int i=n->sl; |
---|
| 792 | while (i>=0) |
---|
| 793 | { |
---|
| 794 | if (n->S[i]==n->T[n->tl].p) |
---|
| 795 | { |
---|
| 796 | n->T[n->tl].p=NULL; n->S[i]=NULL; |
---|
| 797 | break; |
---|
| 798 | } |
---|
| 799 | i--; |
---|
| 800 | } |
---|
| 801 | pDelete(&n->T[n->tl].p); |
---|
| 802 | n->tl--; |
---|
| 803 | } |
---|
| 804 | memset(n->Shdl->m,0,IDELEMS(n->Shdl)*sizeof(poly)); |
---|
| 805 | n->sl=-1; |
---|
| 806 | break; |
---|
| 807 | } |
---|
| 808 | else |
---|
| 809 | { |
---|
| 810 | pDelete(&r); |
---|
| 811 | } |
---|
| 812 | } |
---|
| 813 | j--; |
---|
| 814 | } |
---|
| 815 | } |
---|
| 816 | |
---|
| 817 | /* check for empty sets */ |
---|
| 818 | { |
---|
| 819 | ideal_list Lj=FL; |
---|
| 820 | while (Lj!=NULL) |
---|
| 821 | { |
---|
| 822 | if ((n->sl>=0)&&(n->S[0]!=NULL)) |
---|
| 823 | { |
---|
[18ff4c] | 824 | ideal r=kNF(n->Shdl,NULL,Lj->d,0,KSTD_NF_LAZY | KSTD_NF_NONORM); |
---|
[35aab3] | 825 | if (idIs0(r)) |
---|
| 826 | { |
---|
[2d9e1e] | 827 | #ifndef NDEBUG |
---|
| 828 | if(strat_fac_debug) |
---|
| 829 | { |
---|
| 830 | Print("empty set s(%d) because:L[%d]\n",n->nr,Lj->nr); |
---|
| 831 | PrintS("L:\n"); |
---|
| 832 | iiWriteMatrix((matrix)Lj->d,"L",1,0); |
---|
| 833 | } |
---|
| 834 | #endif |
---|
[35aab3] | 835 | if (TEST_OPT_DEBUG) |
---|
| 836 | { |
---|
[ff071e] | 837 | Print("empty set because:L[%p]\n",(void*)Lj); |
---|
[35aab3] | 838 | } |
---|
| 839 | while (n->Ll >= 0) deleteInL(n->L,&n->Ll,n->Ll,n); |
---|
| 840 | while (n->tl >= 0) |
---|
| 841 | { |
---|
| 842 | int i=n->sl; |
---|
| 843 | while (i>=0) |
---|
| 844 | { |
---|
| 845 | if (n->S[i]==n->T[n->tl].p) |
---|
| 846 | { |
---|
| 847 | n->T[n->tl].p=NULL; n->S[i]=NULL; |
---|
| 848 | break; |
---|
| 849 | } |
---|
| 850 | i--; |
---|
| 851 | } |
---|
| 852 | pDelete(&n->T[n->tl].p); |
---|
| 853 | n->tl--; |
---|
| 854 | } |
---|
| 855 | memset(n->Shdl->m,0,IDELEMS(n->Shdl)*sizeof(poly)); |
---|
| 856 | n->sl=-1; |
---|
| 857 | idDelete(&r); |
---|
| 858 | break; |
---|
| 859 | } |
---|
| 860 | idDelete(&r); |
---|
| 861 | } |
---|
| 862 | Lj=Lj->next; |
---|
| 863 | } |
---|
| 864 | } |
---|
| 865 | } /* for */ |
---|
| 866 | for(i=0;i<IDELEMS(fac);i++) fac->m[i]=NULL; |
---|
| 867 | idDelete(&fac); |
---|
| 868 | idDelete(&fac_copy); |
---|
| 869 | } |
---|
| 870 | #ifdef KDEBUG |
---|
| 871 | strat->P.lcm=NULL; |
---|
| 872 | #endif |
---|
| 873 | kTest_TS(strat); |
---|
| 874 | if ((strat->Ll==-1) && (strat->sl>=0)) |
---|
| 875 | { |
---|
| 876 | if (TEST_OPT_REDSB) completeReduceFac(strat,FL); |
---|
| 877 | } |
---|
| 878 | kTest_TS(strat); |
---|
| 879 | } |
---|
| 880 | if (TEST_OPT_DEBUG) messageSets(strat); |
---|
| 881 | /* complete reduction of the standard basis--------- */ |
---|
| 882 | /* release temp data-------------------------------- */ |
---|
| 883 | exitBuchMora(strat); |
---|
| 884 | if (TEST_OPT_WEIGHTM) |
---|
| 885 | { |
---|
| 886 | pRestoreDegProcs(pFDegOld, pLDegOld); |
---|
| 887 | if (ecartWeights) |
---|
| 888 | { |
---|
| 889 | omFreeSize((ADDRESS)ecartWeights,(pVariables+1)*sizeof(short)); |
---|
| 890 | ecartWeights=NULL; |
---|
| 891 | } |
---|
| 892 | } |
---|
[5accf0] | 893 | if (TEST_OPT_PROT) { PrintLn(); messageStat(srmax,lrmax,0,strat); } |
---|
[35aab3] | 894 | if (Q!=NULL) updateResult(strat->Shdl,Q,strat); |
---|
| 895 | return (strat->Shdl); |
---|
| 896 | } |
---|
| 897 | #endif |
---|
| 898 | |
---|
| 899 | ideal_list kStdfac(ideal F, ideal Q, tHomog h,intvec ** w,ideal D) |
---|
| 900 | { |
---|
| 901 | #ifdef HAVE_FACTORY |
---|
| 902 | ideal r; |
---|
| 903 | BOOLEAN b=pLexOrder,toReset=FALSE; |
---|
| 904 | BOOLEAN delete_w=(w==NULL); |
---|
| 905 | kStrategy strat=new skStrategy; |
---|
| 906 | kStrategy orgstrat=strat; |
---|
| 907 | ideal_list L=NULL; |
---|
| 908 | |
---|
| 909 | if (rField_has_simple_inverse()) |
---|
| 910 | strat->LazyPass=20; |
---|
| 911 | else |
---|
| 912 | strat->LazyPass=2; |
---|
| 913 | strat->LazyDegree = 1; |
---|
| 914 | strat->ak = idRankFreeModule(F); |
---|
| 915 | if ((h==testHomog)) |
---|
| 916 | { |
---|
| 917 | if (strat->ak==0) |
---|
| 918 | { |
---|
| 919 | h = (tHomog)idHomIdeal(F,Q); |
---|
| 920 | w=NULL; |
---|
| 921 | } |
---|
| 922 | else |
---|
| 923 | h = (tHomog)idHomModule(F,Q,w); |
---|
| 924 | } |
---|
| 925 | if (h==isHomog) |
---|
| 926 | { |
---|
| 927 | if ((w!=NULL) && (*w!=NULL)) |
---|
| 928 | { |
---|
| 929 | kModW = *w; |
---|
| 930 | strat->kModW = *w; |
---|
| 931 | pFDegOld = pFDeg; |
---|
| 932 | pLDegOld = pLDeg; |
---|
| 933 | pSetDegProcs(kModDeg); |
---|
| 934 | toReset = TRUE; |
---|
| 935 | } |
---|
| 936 | pLexOrder = TRUE; |
---|
| 937 | strat->LazyPass*=2; |
---|
| 938 | } |
---|
| 939 | strat->homog=h; |
---|
| 940 | initBuchMoraCrit(strat); /*set Gebauer, honey, sugarCrit*/ |
---|
| 941 | initBuchMoraPos(strat); |
---|
| 942 | initBba(F,strat); |
---|
| 943 | initBuchMora(F, Q,strat); |
---|
| 944 | if (D!=NULL) |
---|
| 945 | { |
---|
| 946 | strat->D=idCopy(D); |
---|
| 947 | } |
---|
| 948 | // Ende der Initalisierung |
---|
| 949 | while (strat!=NULL) |
---|
| 950 | { |
---|
| 951 | if (TEST_OPT_DEBUG) |
---|
| 952 | PrintS("====================================\n"); |
---|
| 953 | if (w!=NULL) |
---|
| 954 | r=bbafac(F,Q,*w,strat,L); |
---|
| 955 | else |
---|
| 956 | r=bbafac(F,Q,NULL,strat,L); |
---|
| 957 | #ifdef KDEBUG |
---|
| 958 | int i; |
---|
| 959 | for (i=0; i<IDELEMS(r); i++) pTest(r->m[i]); |
---|
| 960 | #endif |
---|
| 961 | idSkipZeroes(r); |
---|
| 962 | // Testausgabe: |
---|
| 963 | //if (!idIs0(r)) |
---|
| 964 | //{ |
---|
| 965 | // PrintS("===================================================\n"); |
---|
| 966 | // iiWriteMatrix((matrix)r,"S",1,0); |
---|
| 967 | // PrintS("\n===================================================\n"); |
---|
| 968 | //} |
---|
| 969 | //else |
---|
| 970 | //{ |
---|
| 971 | // PrintS("=========empty============================\n"); |
---|
| 972 | //} |
---|
| 973 | if(!idIs0(r)) |
---|
| 974 | { |
---|
| 975 | ideal_list LL=(ideal_list)omAlloc(sizeof(*LL)); |
---|
| 976 | LL->d=r; |
---|
[2d9e1e] | 977 | #ifndef NDEBUG |
---|
| 978 | LL->nr=strat->nr; |
---|
| 979 | #endif |
---|
[35aab3] | 980 | LL->next=L; |
---|
| 981 | L=LL; |
---|
| 982 | } |
---|
[2d9e1e] | 983 | strat=strat->next; |
---|
[35aab3] | 984 | } |
---|
| 985 | /* check for empty sets */ |
---|
[8c6b3ee] | 986 | if (L!=NULL) |
---|
[35aab3] | 987 | { |
---|
| 988 | ideal_list Lj=L->next; |
---|
| 989 | ideal_list Lj_prev=L; |
---|
| 990 | while (Lj!=NULL) |
---|
| 991 | { |
---|
| 992 | ideal_list Li=L; |
---|
| 993 | while(Li!=Lj) |
---|
| 994 | { |
---|
[18ff4c] | 995 | ideal r=kNF(Lj->d,NULL,Li->d,0,KSTD_NF_LAZY | KSTD_NF_NONORM); |
---|
[35aab3] | 996 | if (idIs0(r)) |
---|
| 997 | { |
---|
[2d9e1e] | 998 | #ifndef NDEBUG |
---|
| 999 | if(strat_fac_debug) |
---|
| 1000 | { |
---|
| 1001 | Print("empty set L(%d) because:L(%d)\n",Lj->nr,Li->nr); |
---|
| 1002 | } |
---|
| 1003 | #endif |
---|
[35aab3] | 1004 | if (TEST_OPT_DEBUG) |
---|
| 1005 | { |
---|
[ff071e] | 1006 | Print("empty set L[%p] because:L[%p]\n",(void*)Lj,(void*)Li); |
---|
[35aab3] | 1007 | } |
---|
| 1008 | // delete L[j], |
---|
| 1009 | Li=L; |
---|
| 1010 | if (Lj_prev!=NULL) |
---|
| 1011 | { |
---|
| 1012 | Lj=Lj_prev; |
---|
| 1013 | if (Lj==L) Lj_prev=NULL; |
---|
| 1014 | else |
---|
| 1015 | { |
---|
| 1016 | Lj_prev=L; |
---|
| 1017 | while(Lj_prev->next!=Lj) Lj_prev=Lj_prev->next; |
---|
| 1018 | } |
---|
| 1019 | } |
---|
| 1020 | else Lj=NULL; |
---|
| 1021 | } |
---|
| 1022 | else |
---|
| 1023 | { |
---|
| 1024 | Li=Li->next; |
---|
| 1025 | } |
---|
| 1026 | idDelete (&r); |
---|
| 1027 | } |
---|
| 1028 | if (Lj!=NULL) Lj=Lj->next; |
---|
| 1029 | } |
---|
| 1030 | } |
---|
| 1031 | // Ende: aufraeumen |
---|
| 1032 | if (toReset) |
---|
| 1033 | { |
---|
| 1034 | pRestoreDegProcs(pFDegOld, pLDegOld); |
---|
| 1035 | kModW = NULL; |
---|
| 1036 | } |
---|
| 1037 | pLexOrder = b; |
---|
| 1038 | delete(strat); |
---|
| 1039 | strat=orgstrat; |
---|
| 1040 | while (strat!=NULL) |
---|
| 1041 | { |
---|
| 1042 | orgstrat=strat->next; |
---|
| 1043 | delete(strat); |
---|
| 1044 | strat=orgstrat; |
---|
| 1045 | } |
---|
| 1046 | if ((delete_w)&&(w!=NULL)&&(*w!=NULL)) delete *w; |
---|
| 1047 | return L; |
---|
| 1048 | #else |
---|
| 1049 | return NULL; |
---|
| 1050 | #endif |
---|
| 1051 | } |
---|