| 1 | #ifndef TGB_H |
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| 2 | #define TGB_H |
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| 3 | |
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| 4 | #include "mod2.h" |
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| 5 | #include <omalloc.h> |
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| 6 | #include "p_polys.h" |
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| 7 | |
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| 8 | #include "ideals.h" |
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| 9 | #include "ring.h" |
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| 10 | #include "febase.h" |
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| 11 | #include "structs.h" |
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| 12 | #include "polys.h" |
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| 13 | #include "stdlib.h" |
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| 14 | |
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| 15 | |
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| 16 | #include "kutil.h" |
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| 17 | #include "kInline.cc" |
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| 18 | #include "kstd1.h" |
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| 19 | #include "kbuckets.h" |
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| 20 | |
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| 21 | #define FULLREDUCTIONS |
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| 22 | //#define HALFREDUCTIONS |
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| 23 | //#define HEAD_BIN |
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| 24 | //#define HOMOGENEOUS_EXAMPLE |
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| 25 | #define REDTAIL_S |
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| 26 | |
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| 27 | //#define REDTAIL_PROT |
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| 28 | //#define QUICK_SPOLY_TEST |
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| 29 | |
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| 30 | |
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| 31 | struct int_pair_node{ |
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| 32 | int_pair_node* next; |
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| 33 | int a; |
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| 34 | int b; |
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| 35 | }; |
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| 36 | struct red_object{ |
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| 37 | kBucket_pt bucket; |
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| 38 | poly p; |
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| 39 | unsigned long sev; |
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| 40 | }; |
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| 41 | struct sorted_pair_node{ |
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| 42 | //criterium, which is stable 0. small lcm 1. small i 2. small j |
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| 43 | int i; |
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| 44 | int j; |
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| 45 | int deg; |
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| 46 | int expected_length; |
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| 47 | poly lcm_of_lm; |
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| 48 | }; |
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| 49 | |
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| 50 | |
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| 51 | enum calc_state |
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| 52 | { |
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| 53 | UNCALCULATED, |
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| 54 | HASTREP, |
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| 55 | UNIMPORTANT, |
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| 56 | SOONTREP |
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| 57 | }; |
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| 58 | struct calc_dat |
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| 59 | { |
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| 60 | int* rep; |
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| 61 | char** states; |
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| 62 | ideal S; |
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| 63 | ring r; |
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| 64 | int* lengths; |
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| 65 | long* short_Exps; |
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| 66 | kStrategy strat; |
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| 67 | int* T_deg; |
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| 68 | poly* gcd_of_terms; |
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| 69 | int_pair_node* soon_free; |
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| 70 | sorted_pair_node** apairs; |
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| 71 | #ifdef HEAD_BIN |
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| 72 | struct omBin_s* HeadBin; |
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| 73 | #endif |
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| 74 | unsigned int reduction_steps; |
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| 75 | int n; |
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| 76 | int normal_forms; |
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| 77 | int current_degree; |
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| 78 | int Rcounter; |
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| 79 | int last_index; |
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| 80 | int max_pairs; |
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| 81 | int pair_top; |
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| 82 | int easy_product_crit; |
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| 83 | int extended_product_crit; |
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| 84 | BOOLEAN is_char0; |
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| 85 | }; |
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| 86 | static int add_to_reductors(calc_dat* c, poly h, int len); |
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| 87 | static int bucket_guess(kBucket* bucket); |
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| 88 | static poly redNFTail (poly h,const int sl,kStrategy strat, int len); |
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| 89 | static poly redNF2 (poly h,calc_dat* c , int &len); |
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| 90 | static void free_sorted_pair_node(sorted_pair_node* s, ring r); |
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| 91 | static void shorten_tails(calc_dat* c, poly monom); |
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| 92 | static void replace_pair(int & i, int & j, calc_dat* c); |
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| 93 | static sorted_pair_node** add_to_basis(poly h, int i, int j,calc_dat* c, int* ip=NULL); |
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| 94 | static void do_this_spoly_stuff(int i,int j,calc_dat* c); |
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| 95 | ideal t_rep_gb(ring r,ideal arg_I); |
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| 96 | static BOOLEAN has_t_rep(const int & arg_i, const int & arg_j, calc_dat* state); |
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| 97 | static int* make_connections(int from, poly bound, calc_dat* c); |
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| 98 | static int* make_connections(int from, int to, poly bound, calc_dat* c); |
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| 99 | static void now_t_rep(const int & arg_i, const int & arg_j, calc_dat* c); |
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| 100 | static void soon_t_rep(const int & arg_i, const int & arg_j, calc_dat* c); |
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| 101 | static int pLcmDeg(poly a, poly b); |
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| 102 | static int simple_posInS (kStrategy strat, poly p,int len, BOOLEAN is_char0); |
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| 103 | static BOOLEAN find_next_pair(calc_dat* c, BOOLEAN go_higher=TRUE); |
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| 104 | |
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| 105 | static sorted_pair_node* pop_pair(calc_dat* c); |
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| 106 | static BOOLEAN no_pairs(calc_dat* c); |
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| 107 | static void clean_top_of_pair_list(calc_dat* c); |
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| 108 | static void super_clean_top_of_pair_list(calc_dat* c); |
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| 109 | static BOOLEAN state_is(calc_state state, const int & i, const int & j, calc_dat* c); |
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| 110 | static BOOLEAN pair_better(sorted_pair_node* a,sorted_pair_node* b, calc_dat* c); |
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| 111 | static int pair_better_gen(const void* ap,const void* bp); |
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| 112 | static poly redTailShort(poly h, kStrategy strat); |
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| 113 | static poly gcd_of_terms(poly p, ring r); |
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| 114 | static BOOLEAN extended_product_criterion(poly p1, poly gcd1, poly p2, poly gcd2, calc_dat* c); |
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| 115 | static poly kBucketGcd(kBucket* b, ring r); |
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| 116 | static void multi_reduction(red_object* los, int & losl, calc_dat* c); |
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| 117 | static sorted_pair_node* quick_pop_pair(calc_dat* c); |
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| 118 | static sorted_pair_node* top_pair(calc_dat* c); |
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| 119 | #endif |
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