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floatings.cc
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26 
27 #include <mln/value/ops.hh>
28 #include <mln/value/builtin/floatings.hh>
29 
30 int main()
31 {
32  // Checking sum value type name.
33  mln_assertion(mln_trait_value_name(mln_sum_product_(float, float)) == std::string("float"));
34  mln_assertion(mln_trait_value_name(mln_sum_product_(double, double)) == std::string("double"));
35 
36  // Make sure we return the minimum negative value but not the
37  // minimum positive value.
38  mln_assertion(mln_min(float) < 0.);
39  mln_assertion(mln_min(double) < 0.);
40 
41  // Make sure the sum value type does not alter precision.
42  {
43  float a = mln_max(float) / 3,
44  b = mln_max(float) / 3;
45  volatile float c = a + b;
46  volatile mln_sum_product_(float, float) d = a + b;
47  mln_assertion(c == d);
48  }
49  {
50  double a = mln_max(double) / 3,
51  b = mln_max(double) / 3;
52  volatile double c = a + b;
53  volatile mln_sum_product_(double, double) d = a + b;
54  mln_assertion(c == d);
55  }
56 }