spielwiese
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Last change
on this file since f7a975 was
a4081e5,
checked in by Hans Schoenemann <hannes@…>, 13 years ago
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polys1.cc removed, p_Invers, p_Series ->monomials/p_polys.cc
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-
Property mode set to
100644
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File size:
940 bytes
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| Line | |
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| 1 | /*2 |
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| 2 | *returns TRUE if p1 is a skalar multiple of p2 |
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| 3 | *assume p1 != NULL and p2 != NULL |
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| 4 | */ |
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| 5 | BOOLEAN pComparePolys(poly p1,poly p2) |
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| 6 | { |
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| 7 | number n,nn; |
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| 8 | pAssume(p1 != NULL && p2 != NULL); |
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| 9 | |
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| 10 | if (!pLmEqual(p1,p2)) //compare leading mons |
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| 11 | return FALSE; |
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| 12 | if ((pNext(p1)==NULL) && (pNext(p2)!=NULL)) |
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| 13 | return FALSE; |
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| 14 | if ((pNext(p2)==NULL) && (pNext(p1)!=NULL)) |
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| 15 | return FALSE; |
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| 16 | if (pLength(p1) != pLength(p2)) |
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| 17 | return FALSE; |
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| 18 | #ifdef HAVE_RINGS |
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| 19 | if (rField_is_Ring(currRing)) |
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| 20 | { |
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| 21 | if (!nDivBy(pGetCoeff(p1), pGetCoeff(p2))) return FALSE; |
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| 22 | } |
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| 23 | #endif |
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| 24 | n=nDiv(pGetCoeff(p1),pGetCoeff(p2)); |
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| 25 | while ((p1 != NULL) /*&& (p2 != NULL)*/) |
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| 26 | { |
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| 27 | if ( ! pLmEqual(p1, p2)) |
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| 28 | { |
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| 29 | nDelete(&n); |
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| 30 | return FALSE; |
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| 31 | } |
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| 32 | if (!nEqual(pGetCoeff(p1),nn=nMult(pGetCoeff(p2),n))) |
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| 33 | { |
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| 34 | nDelete(&n); |
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| 35 | nDelete(&nn); |
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| 36 | return FALSE; |
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| 37 | } |
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| 38 | nDelete(&nn); |
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| 39 | pIter(p1); |
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| 40 | pIter(p2); |
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| 41 | } |
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| 42 | nDelete(&n); |
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| 43 | return TRUE; |
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| 44 | } |
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