spielwiese
Last change
on this file since 6ce030f was
287cc8,
checked in by Hans Schönemann <hannes@…>, 14 years ago
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ntl 5.5.2
git-svn-id: file:///usr/local/Singular/svn/trunk@12402 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 | #include <NTL/ZZVec.h> |
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3 | |
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4 | #include <NTL/new.h> |
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5 | |
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6 | NTL_START_IMPL |
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7 | |
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8 | void ZZVec::SetSize(long n, long d) |
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9 | { |
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10 | if (n < 0 || d <= 0) Error("bad args to ZZVec::SetSize()"); |
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11 | |
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12 | if (v) |
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13 | Error("illegal ZZVec initialization"); |
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14 | |
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15 | len = n; |
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16 | bsize = d; |
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17 | |
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18 | if (n == 0) return; |
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19 | |
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20 | v = (ZZ*) NTL_MALLOC(n, sizeof(ZZ), 0); |
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21 | if (!v) Error("out of memory in ZZVec::SetSize()"); |
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22 | |
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23 | long i = 0; |
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24 | long m; |
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25 | long j; |
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26 | |
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27 | while (i < n) { |
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28 | m = ZZ_BlockConstructAlloc(v[i], d, n-i); |
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29 | for (j = 1; j < m; j++) |
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30 | ZZ_BlockConstructSet(v[i], v[i+j], j); |
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31 | i += m; |
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32 | } |
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33 | } |
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34 | |
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35 | void ZZVec::kill() |
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36 | { |
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37 | long n = len; |
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38 | |
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39 | len = 0; bsize = 0; |
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40 | |
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41 | if (n == 0) return; |
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42 | |
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43 | long i = 0; |
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44 | long m; |
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45 | |
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46 | while (i < n) { |
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47 | m = ZZ_BlockDestroy(v[i]); |
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48 | i += m; |
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49 | } |
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50 | |
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51 | free(v); |
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52 | v = 0; |
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53 | } |
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54 | |
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55 | |
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56 | ZZVec& ZZVec::operator=(const ZZVec& a) |
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57 | { |
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58 | if (this == &a) |
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59 | return *this; |
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60 | |
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61 | kill(); |
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62 | SetSize(a.len, a.bsize); |
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63 | |
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64 | long i; |
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65 | for (i = 0; i < a.len; i++) |
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66 | v[i] = (a.v)[i]; |
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67 | |
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68 | return *this; |
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69 | } |
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70 | |
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71 | ZZVec::ZZVec(const ZZVec& a) |
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72 | { |
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73 | v = 0; len = 0; bsize = 0; |
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74 | |
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75 | SetSize(a.len, a.bsize); |
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76 | |
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77 | long i; |
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78 | for (i = 0; i < a.len; i++) |
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79 | v[i] = (a.v)[i]; |
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80 | } |
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81 | |
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82 | void ZZVec::swap_impl(ZZVec& x, ZZVec& y) |
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83 | { |
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84 | ZZ* t1; |
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85 | long t2; |
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86 | |
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87 | t1 = x.v; |
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88 | x.v = y.v; |
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89 | y.v = t1; |
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90 | |
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91 | t2 = x.len; |
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92 | x.len = y.len; |
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93 | y.len = t2; |
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94 | |
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95 | t2 = x.bsize; |
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96 | x.bsize = y.bsize; |
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97 | y.bsize = t2; |
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98 | } |
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99 | |
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100 | NTL_END_IMPL |
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