spielwiese
Last change
on this file since a6fa23 was
a6fa23,
checked in by Hans Schönemann <hannes@…>, 17 years ago
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*hannes: syntax
git-svn-id: file:///usr/local/Singular/svn/trunk@10018 2c84dea3-7e68-4137-9b89-c4e89433aadc
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Property mode set to
100644
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File size:
1.4 KB
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1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /*************************************************************** |
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5 | * File: p_Mult_n__Template.cc |
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6 | * Purpose: template for p_Mult_n |
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7 | * Author: obachman (Olaf Bachmann) |
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8 | * Created: 8/00 |
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9 | * Version: $Id: p_Mult_nn__T.cc,v 1.8 2007-05-03 14:04:34 Singular Exp $ |
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10 | *******************************************************************/ |
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11 | |
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12 | /*************************************************************** |
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13 | * |
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14 | * Returns: p*n |
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15 | * Destroys: p |
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16 | * Const: n |
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17 | * |
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18 | ***************************************************************/ |
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19 | LINKAGE poly p_Mult_nn(poly p, const number n, const ring r) |
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20 | { |
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21 | pAssume(!n_IsZero(n,r)); |
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22 | p_Test(p, r); |
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23 | |
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24 | poly q = p; |
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25 | #if defined(HAVE_RING2TOM) || defined(HAVE_RINGMODN) |
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26 | poly old = NULL; |
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27 | #endif |
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28 | while (p != NULL) |
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29 | { |
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30 | #if !defined(HAVE_RING2TOM) && !defined(HAVE_RINGMODN) |
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31 | number nc = pGetCoeff(p); |
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32 | pSetCoeff0(p, n_Mult(n, nc, r)); |
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33 | n_Delete(&nc, r); |
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34 | pIter(p); |
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35 | #else |
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36 | number tmp = n_Mult(n, pGetCoeff(p), r); |
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37 | if (r->cring==0 || (r->cring > 0 && tmp != NULL)) |
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38 | { |
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39 | p_SetCoeff(p, tmp, r); |
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40 | old = p; |
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41 | pIter(p); |
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42 | } |
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43 | else |
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44 | { |
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45 | n_Delete(&tmp, r); |
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46 | if (old == NULL) { q = pNext(q); } |
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47 | else { pNext(old) = pNext(p); } |
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48 | pIter(p); // TODO Free Monom OLIVER |
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49 | } |
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50 | #endif |
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51 | } |
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52 | p_Test(q, r); |
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53 | return q; |
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54 | } |
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55 | |
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56 | |
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