| 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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| 4 | /* $Id: f5gb.h,v 1.13 2008-12-26 13:49:57 ederc Exp $ */ |
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| 5 | /* |
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| 6 | * ABSTRACT: f5gb interface |
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| 7 | */ |
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| 8 | #ifndef F5_HEADER |
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| 9 | #define F5_HEADER |
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| 10 | |
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| 11 | #ifdef HAVE_F5 |
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| 12 | #include "lpolynomial.h" |
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| 13 | #include "lists.h" |
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| 14 | |
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| 15 | |
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| 16 | /* |
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| 17 | ================================================ |
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| 18 | computation of ONE polynomial as global variable |
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| 19 | ================================================ |
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| 20 | */ |
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| 21 | poly one_poly(); |
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| 22 | |
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| 23 | |
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| 24 | /* |
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| 25 | ====================================================== |
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| 26 | sort polynomials in ideal i by decreasing total degree |
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| 27 | ====================================================== |
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| 28 | */ |
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| 29 | void qsort_degree(poly* left, poly* right); |
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| 30 | |
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| 31 | |
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| 32 | /* |
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| 33 | ============================================== |
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| 34 | generating the list lp of ideal generators and |
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| 35 | test if 1 is in lp(return 1) or not(return 0) |
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| 36 | ============================================== |
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| 37 | */ |
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| 38 | void generate_input_list(LPoly* lp, ideal id, poly one); |
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| 39 | |
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| 40 | |
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| 41 | /* |
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| 42 | ================================================== |
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| 43 | computes incrementally gbs of subsets of the input |
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| 44 | gb{f_m} -> gb{f_m,f_(m-1)} -> gb{f_m,...,f_1} |
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| 45 | ================================================== |
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| 46 | */ |
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| 47 | LList* F5inc(const long i, LList* g_prev); |
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| 48 | |
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| 49 | |
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| 50 | /* |
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| 51 | ====================================== |
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| 52 | main function of our f5 implementation |
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| 53 | ====================================== |
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| 54 | */ |
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| 55 | ideal F5main(ideal i, ring r); |
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| 56 | |
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| 57 | |
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| 58 | #endif |
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| 59 | #endif |
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| 60 | |
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