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linfty.cc
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25 
26 #include <tests/norm/common.hh>
27 
28 #include <mln/algebra/vec.hh>
29 #include <mln/math/abs.hh>
30 #include <mln/norm/linfty.hh>
31 
32 
33 namespace test
34 {
35  template <typename V, typename S>
36  void
37  check_linfty_norm_and_distance(const V& vec1, const V& vec2, const S& ref_val)
38  {
39  // Pointer on mln::norm::linfty.
40  typedef int (*linfty_t)(const V&);
41  linfty_t linfty = mln::norm::linfty;
42 
43  test::check_norm(linfty, vec1, vec2);
44 
45  // Pointer on mln::norm::linfty_distance.
46  typedef int (*linfty_distance_t)(const V&, const V&);
47  linfty_distance_t linfty_distance = mln::norm::linfty_distance;
48 
49  test::check_distance(linfty_distance, vec1, vec2, ref_val);
50  }
51 }
52 
53 int main()
54 {
55  typedef mln::algebra::vec<3, int> vec_t;
56 
57  // Reference value.
58  float d = float(std::max(std::abs(4 - 2),
59  std::max(std::abs(1 + 2),
60  std::abs(0 - 4))));
61 
62  vec_t t, u;
63  t.set(2, -2, 4);
64  u.set(4, 1, 0);
66 
67  int v[] = {2, -2, 4};
68  int w[] = {4, 1, 0};
70 }