Annotation of OpenXM/src/kan96xx/Kan/gradedset.h, Revision 1.5
1.5 ! takayama 1: /* $OpenXM: OpenXM/src/kan96xx/Kan/gradedset.h,v 1.4 2003/07/17 09:10:54 takayama Exp $ */
1.1 maekawa 2: /* gradedset.h */
3: #define max(a,b) (a>b?a:b)
4:
5: /* You may use only ppAdd() and cpMult() for the elements of SyzRingp. */
6: #define srGrade(s) ((s)->m->e[0].x) /* s is in the SyzRingp */
7: #define srIndex(s) ((s)->m->e[0].D)
8: #define srSyzCoeffToPOLY(s) ((s)->val.f)
9:
10:
11: /* gradedset.c */
12: void errorGradedSet(char *s);
13: void warningGradedSet(char *s);
14: struct polySet *newPolySet(int n);
15: struct pair *newPair(struct pair *prev);
16: struct pair *pairCopy(struct pair *node);
17: struct gradedPolySet *newGradedPolySet(int n);
18: struct gradedPairs *newGradedPairs(int n);
19: struct gradedPairs *enlargeGradedPairs(int size,struct gradedPairs *grD);
20: void insertPair(struct pair *inode,struct pair *before);
21: /* insert inode after before */
22: struct pair *deletePair(struct pair *p); /* delete p->next and returns
23: p->next */
24: struct pair *getPair(struct gradedPairs *grD);
25: void whereInG(struct gradedPolySet *g, POLY fi, int *gradep, int *indexp,int sugar);
26: struct gradedPolySet *putPolyInG(struct gradedPolySet *g, POLY fi, int grade,
27: int index,struct syz0 *syz,int mark,int serial);
28: void markRedundant(struct gradedPolySet *g,POLY gt,int grade,int index,int sugar);
29: void markRedundant0(struct gradedPolySet *g,int grade,int index);
30: struct syz0 *newSyz0(void);
31: struct gradedPairs *putPairInGradedPairs(struct gradedPairs *grP,
32: struct pair *top);
33: void outputGradedPolySet(struct gradedPolySet *grG,int needSyz);
34: void outputGradedPairs(struct gradedPairs *grP);
35: void outputNode(struct pair *p);
36: int countPairs(struct gradedPairs *grD);
37: int countGradedPolySet(struct gradedPolySet *grD);
38: struct gradedPolySet *gradedPolySetCopy(struct gradedPolySet *grG);
39: int deletePairByCriterion2B(struct gradedPairs *grD,POLY gt,struct gradedPolySet *grG);
1.5 ! takayama 40: int markGeneratorInG(struct gradedPolySet *g,int grade,int index);
1.1 maekawa 41:
42: /* red.c */
43: struct spValue (*sp)(POLY f,POLY g);
44: int (*isReducible)(POLY f,POLY g);
45: POLY (*reduction1)(POLY f,POLY g,int needSyz,POLY *cc,POLY *cg);
46: /* if needSyz, then result = *cc f + *cg g. */
47: /* syzp->cf is in the CurrentRignp and syzp->syz is in the SyzRingp. */
48: POLY (*reduction)(POLY f,struct gradedPolySet *gset,int needSyz,
49: struct syz0 *syzp);
50: POLY (*isCdrReducible)(POLY f,POLY g);
51: POLY (*reduction1Cdr)(POLY f,POLY fs,POLY g,int needSyz,POLY *cc,POLY *cg);
52: /* if needSyz, then result = *cc f + *cg g. */
53: POLY (*reductionCdr)(POLY f,struct gradedPolySet *gset,int needSyz,
54: struct syz0 *syzp);
55: POLY (*lcm)(POLY f,POLY g);
56: POLY reduction1_gen(POLY f,POLY g,int needSyz,POLY *cc,POLY *cg);
57: POLY reduction1_gen_debug(POLY f,POLY g,int needSyz,POLY *cc,POLY *cg);
58: POLY reduction1_sugar(POLY f,POLY g,int needSyz,POLY *c,POLY *h,int sugarGrade);
59: int isReducible_gen(POLY f,POLY g);
60: POLY reduction_gen(POLY f,struct gradedPolySet *gset,int needSyz,
61: struct syz0 *syzp);
62: POLY reduction_gen_rev(POLY f,struct gradedPolySet *gset,int needSyz,
63: struct syz0 *syzp);
64: POLY reduction_sugar(POLY f,struct gradedPolySet *gset,int needSyz,
65: struct syz0 *syzp,int sugarGrade);
66: POLY reduction1Cdr_gen(POLY f,POLY fs,POLY g,int needSyz,POLY *cc,POLY *cg);
67: POLY isCdrReducible_gen(POLY f,POLY g);
68: POLY reductionCdr_gen(POLY f,struct gradedPolySet *gset,int needSyz,
69: struct syz0 *syzp);
70: POLY lcm_gen(POLY f,POLY g);
71: struct spValue sp_gen(POLY f,POLY g);
72: struct spValue sp_q(POLY f,POLY g);
73: int grade_gen(POLY f);
1.3 takayama 74: POLY reductionCdr_except_grd_i(POLY f,struct gradedPolySet *gset,
75: int needSyz,struct syz0 *syzp,
76: int grd,int i, int *reduced);
77: /* Polynomial at (grd,i) is not used for reduction.
78: if del[j] == 1, then the attached polynomial is not used for reduction.*/
1.4 takayama 79:
80: /* ecart.c */
81: POLY reduction_ecart(POLY f,struct gradedPolySet *gset,
82: int needSyz,struct syz0 *syzp);
1.1 maekawa 83:
84: /* constructor */
85: POLY toSyzPoly(POLY cg,int grade,int index);
86: struct coeff *toSyzCoeff(POLY f);
87: void initSyzRingp(void);
88:
89: /* gb.c */
90: struct gradedPolySet *(*groebner)(struct arrayOfPOLY *f,
91: int needBack,
92: int needSyz, struct pair **grP,
93: int countDown,int forceReduction);
94: struct gradedPolySet *groebner_gen(struct arrayOfPOLY *f,
95: int needBack,
96: int needSyz, struct pair **grP,
97: int countDown,int forceReduction);
98: struct gradedPairs *updatePairs(struct gradedPairs *grD, POLY gt,
99: int gtGrade, int t,
100: struct gradedPolySet *grG);
101: /* add gt to grD. gt is indexed by (gtGrade,t) */
1.3 takayama 102: void toReducedBasis(struct gradedPolySet *grP,int needBack, int needSyz);
103:
1.1 maekawa 104:
105: /* gbGM.c */
106: struct gradedPolySet *groebner_gm(struct arrayOfPOLY *f,
107: int needBack,
108: int needSyz, struct pair **grP,
109: int countDown,int forceReduction);
110:
111: /* syz0 */
112: void simplifyBT(int grd,int index, struct gradedPolySet *grG);
113: /* grG->polys[i]->syz[j],mark[j] is modified. */
114:
115: void getBackwardTransformation(struct gradedPolySet *grG);
116: /* grG->polys[i]->syz[j],mark[j] is modified. */
117:
118: struct arrayOfPOLY *getSyzygy0(struct gradedPolySet *grG,
119: struct pair *zeroPairs);
120: /* grG->polys[i]->mark[j] are modified.
121: grG->polys[i]->del[j] and syz[j] must be set.
122: syz[j] is the result of the reduction by grBases. cf. getSyzygy(). */
123:
124: struct matrixOfPOLY *getSyzygy(struct gradedPolySet *grG,struct pair *zp,
125: struct gradedPolySet **grBasesp,
126: struct matrixOfPOLY **backwardMatp);
127: /* grBasesp is also returned. */
128:
129: POLY getSyzPolyFromSp(struct pair *spij,struct gradedPolySet *grG);
130: /* del and syz of grG and grBases must be properly set. mark of grG
131: will be modified. */
132:
133: struct matrixOfPOLY *getBackwardMatrixOfPOLY(struct gradedPolySet *grG);
134: /* get B */
135:
136: struct matrixOfPOLY *getSyzygy1(struct matrixOfPOLY *b,struct matrixOfPOLY *nc,
137: struct arrayOfPOLY *dc);
138:
139: struct matrixOfPOLY *getNC(struct gradedPolySet *newG,int n,
140: struct gradedPolySet *grBases);
141: /* get the numerator of C */
142:
143: struct arrayOfPOLY *getDC(struct gradedPolySet *newG);
144: /* diag(DC) f + C G = 0. */
145:
146: void errorSyz0(char *s);
147:
148: /* conversion */
149: struct arrayOfPOLY *syzPolyToArrayOfPOLY(int size,POLY f,
150: struct gradedPolySet *grG);
151: /* f is in SyzRingp. */
152:
153:
154: #define checkRingSp(f,g,r) {\
155: if ((f)->m->ringp != (g)->m->ringp) {\
156: warningPoly("f and g must be in a same ring. Returns 0.\n");\
157: fprintf(stderr,"f=%s\n",POLYToString(f,'*',0));\
158: fprintf(stderr,"g=%s\n",POLYToString(g,'*',0));\
159: r.a = ZERO; r.b = ZERO;\
160: return(r);\
161: }\
162: }
163:
164: #define checkRingIsR(f,g) {\
165: if ((f)->m->ringp != (g)->m->ringp) {\
166: warningPoly("f and g must be in a same ring. Returns 0.\n");\
167: fprintf(stderr,"f=%s\n",POLYToString(f,'*',0));\
168: fprintf(stderr,"g=%s\n",POLYToString(g,'*',0));\
169: return(0);\
170: }\
171: }
172:
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