1 | #ifndef SUMMATOR_H |
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2 | #define SUMMATOR_H |
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3 | /**************************************** |
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4 | * Computer Algebra System SINGULAR * |
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5 | ****************************************/ |
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6 | |
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7 | #define HAVE_SUMMATOR 1 |
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8 | |
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9 | #ifdef HAVE_SUMMATOR |
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10 | #include "polys/monomials/ring.h" |
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11 | #include "polys/sbuckets.h" |
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12 | |
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13 | // TODO: redesign into templates with no extra run-time cost!!! |
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14 | // TODO: make several out of CPolynomialSummator with similar (?) usage |
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15 | // pattern/interface!!! |
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16 | |
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17 | // //////////////////////////////////////////////////////////////////////// // |
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18 | /// CPolynomialSummator: unifies bucket and polynomial summation as the |
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19 | /// later is brocken in buckets :( |
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20 | class CPolynomialSummator |
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21 | { |
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22 | private: |
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23 | const ring& m_basering; |
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24 | const bool m_bUsePolynomial; |
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25 | union |
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26 | { |
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27 | sBucket_pt m_bucket; |
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28 | // kBucket_pt m_kbucket; |
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29 | poly m_poly; |
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30 | } m_temp; |
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31 | public: |
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32 | CPolynomialSummator(const ring& rBaseRing, bool bUsePolynomial = false); |
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33 | // CPolynomialSummator(ring rBaseRing, poly pInitialSum, int iLength = 0, bool bUsePolynomial = false); |
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34 | ~CPolynomialSummator(); |
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35 | |
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36 | // adds and destroes the summand |
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37 | void AddAndDelete(poly pSummand, int iLength); |
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38 | void AddAndDelete(poly pSummand); |
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39 | |
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40 | inline void operator +=(poly pSummand){ AddAndDelete(pSummand); } |
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41 | |
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42 | // only adds and keeps the summand |
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43 | // please use AddAndDelete instead! |
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44 | void Add(poly pSummand, int iLength); |
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45 | void Add(poly pSummand); |
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46 | |
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47 | // get the final result and clear (set to zero) the summator |
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48 | poly AddUpAndClear(); |
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49 | poly AddUpAndClear(int *piLength); |
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50 | |
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51 | inline operator poly() { return AddUpAndClear(); } |
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52 | |
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53 | /// Copy constructor |
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54 | CPolynomialSummator(const CPolynomialSummator&); |
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55 | private: |
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56 | |
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57 | /// no assignment operator yet |
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58 | CPolynomialSummator& operator= (const CPolynomialSummator&); |
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59 | }; |
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60 | |
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61 | #endif // ifdef HAVE_SUMMATOR |
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62 | #endif // ifndef SUMMATOR_H |
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63 | |
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