spielwiese
Last change
on this file since 287cc8 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/GF2XVec.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 | |
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9 | void GF2XVec::SetSize(long n, long d) |
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10 | { |
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11 | if (n < 0 || d <= 0) Error("bad args to GF2XVec::SetSize()"); |
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12 | |
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13 | if (v) |
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14 | Error("illegal GF2XVec initialization"); |
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15 | |
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16 | len = n; |
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17 | bsize = d; |
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18 | |
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19 | if (n == 0) return; |
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20 | |
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21 | v = (GF2X*) NTL_MALLOC(n, sizeof(GF2X), 0); |
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22 | if (!v) Error("out of memory in GF2XVec::SetSize()"); |
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23 | |
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24 | long i = 0; |
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25 | long m; |
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26 | long j; |
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27 | |
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28 | while (i < n) { |
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29 | m = WV_BlockConstructAlloc(v[i].xrep, d, n-i); |
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30 | for (j = 1; j < m; j++) |
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31 | WV_BlockConstructSet(v[i].xrep, v[i+j].xrep, j); |
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32 | i += m; |
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33 | } |
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34 | } |
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35 | |
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36 | |
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37 | void GF2XVec::kill() |
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38 | { |
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39 | long n = len; |
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40 | |
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41 | len = 0; bsize = 0; |
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42 | |
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43 | if (n == 0) return; |
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44 | |
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45 | long i = 0; |
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46 | long m; |
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47 | |
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48 | while (i < n) { |
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49 | m = WV_BlockDestroy(v[i].xrep); |
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50 | i += m; |
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51 | } |
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52 | |
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53 | free(v); |
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54 | v = 0; |
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55 | } |
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56 | |
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57 | |
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58 | GF2XVec& GF2XVec::operator=(const GF2XVec& a) |
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59 | { |
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60 | if (this == &a) |
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61 | return *this; |
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62 | |
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63 | kill(); |
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64 | SetSize(a.len, a.bsize); |
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65 | |
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66 | long i; |
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67 | for (i = 0; i < a.len; i++) |
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68 | v[i] = (a.v)[i]; |
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69 | |
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70 | return *this; |
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71 | } |
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72 | |
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73 | GF2XVec::GF2XVec(const GF2XVec& a) |
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74 | { |
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75 | v = 0; len = 0; bsize = 0; |
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76 | |
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77 | SetSize(a.len, a.bsize); |
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78 | |
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79 | long i; |
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80 | for (i = 0; i < a.len; i++) |
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81 | v[i] = (a.v)[i]; |
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82 | } |
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83 | |
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84 | void GF2XVec::swap_impl(GF2XVec& x, GF2XVec& y) |
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85 | { |
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86 | GF2X* t1; |
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87 | long t2; |
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88 | |
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89 | t1 = x.v; |
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90 | x.v = y.v; |
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91 | y.v = t1; |
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92 | |
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93 | t2 = x.len; |
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94 | x.len = y.len; |
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95 | y.len = t2; |
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96 | |
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97 | t2 = x.bsize; |
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98 | x.bsize = y.bsize; |
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99 | y.bsize = t2; |
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100 | } |
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101 | |
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102 | NTL_END_IMPL |
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