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libs/geometry/geometry_tests/equality.hpp

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+#pragma once
+#include "base/math.hpp"
+
+#include "geometry/angles.hpp"
+#include "geometry/rect2d.hpp"
+
+namespace test
+{
+inline bool is_equal(double a1, double a2)
+{
+  return (fabs(a1 - a2) < 1.0E-10);
+}
+
+inline bool is_equal_atan(double x, double y, double v)
+{
+  return is_equal(ang::AngleTo(m2::PointD(0, 0), m2::PointD(x, y)), v);
+}
+
+inline bool is_equal_angle(double a1, double a2)
+{
+  double const two_pi = 2.0 * math::pi;
+  if (a1 < 0.0)
+    a1 += two_pi;
+  if (a2 < 0.0)
+    a2 += two_pi;
+
+  return is_equal(a1, a2);
+}
+
+inline bool is_equal(m2::PointD const & p1, m2::PointD const & p2)
+{
+  return p1.EqualDxDy(p2, 1.0E-8);
+}
+
+inline bool is_equal_center(m2::RectD const & r1, m2::RectD const & r2)
+{
+  return is_equal(r1.Center(), r2.Center());
+}
+
+struct strict_equal
+{
+  bool operator()(m2::PointD const & p1, m2::PointD const & p2) const { return p1 == p2; }
+};
+
+struct epsilon_equal
+{
+  bool operator()(m2::PointD const & p1, m2::PointD const & p2) const { return is_equal(p1, p2); }
+};
+}  // namespace test