use double precision calculations instead of mixing double and float

This commit is contained in:
Mortada Mehyar
2015-12-26 11:12:10 -08:00
parent facbe2c012
commit 93a2e66704
9 changed files with 94 additions and 94 deletions
+4 -4
View File
@@ -40,11 +40,11 @@ BOOST_AUTO_TEST_CASE(regression_test_1347)
FixedPointCoordinate v(10.001 * COORDINATE_PRECISION, -100.002 * COORDINATE_PRECISION);
FixedPointCoordinate q(10.002 * COORDINATE_PRECISION, -100.001 * COORDINATE_PRECISION);
float d1 = coordinate_calculation::perpendicular_distance(u, v, q);
double d1 = coordinate_calculation::perpendicular_distance(u, v, q);
float ratio;
double ratio;
FixedPointCoordinate nearest_location;
float d2 = coordinate_calculation::perpendicular_distance(u, v, q, nearest_location, ratio);
double d2 = coordinate_calculation::perpendicular_distance(u, v, q, nearest_location, ratio);
BOOST_CHECK_LE(std::abs(d1 - d2), 0.01f);
BOOST_CHECK_LE(std::abs(d1 - d2), 0.01);
}
+10 -10
View File
@@ -88,11 +88,11 @@ template <typename DataT> class LinearSearchNN
local_edges.begin(), local_edges.begin() + num_results, local_edges.end(),
[this, &input_coordinate](const DataT &lhs, const DataT &rhs)
{
float current_ratio = 0.;
double current_ratio = 0.;
FixedPointCoordinate nearest;
const float lhs_dist = coordinate_calculation::perpendicular_distance(
const double lhs_dist = coordinate_calculation::perpendicular_distance(
coords->at(lhs.u), coords->at(lhs.v), input_coordinate, nearest, current_ratio);
const float rhs_dist = coordinate_calculation::perpendicular_distance(
const double rhs_dist = coordinate_calculation::perpendicular_distance(
coords->at(rhs.u), coords->at(rhs.v), input_coordinate, nearest, current_ratio);
return lhs_dist < rhs_dist;
});
@@ -165,7 +165,7 @@ template <unsigned NUM_NODES, unsigned NUM_EDGES> struct RandomGraphFixture
struct GraphFixture
{
GraphFixture(const std::vector<std::pair<float, float>> &input_coords,
GraphFixture(const std::vector<std::pair<double, double>> &input_coords,
const std::vector<std::pair<unsigned, unsigned>> &input_edges)
: coords(std::make_shared<std::vector<FixedPointCoordinate>>())
{
@@ -253,13 +253,13 @@ void sampling_verify_rtree(RTreeT &rtree, LinearSearchNN<TestData> &lsnn, const
auto lsnn_u = result_lsnn.back().u;
auto lsnn_v = result_lsnn.back().v;
float current_ratio = 0.;
double current_ratio = 0.;
FixedPointCoordinate nearest;
const float rtree_dist = coordinate_calculation::perpendicular_distance(
const double rtree_dist = coordinate_calculation::perpendicular_distance(
coords[rtree_u], coords[rtree_v], q, nearest, current_ratio);
const float lsnn_dist = coordinate_calculation::perpendicular_distance(
const double lsnn_dist = coordinate_calculation::perpendicular_distance(
coords[lsnn_u], coords[lsnn_v], q, nearest, current_ratio);
BOOST_CHECK_LE(std::abs(rtree_dist - lsnn_dist), std::numeric_limits<float>::epsilon());
BOOST_CHECK_LE(std::abs(rtree_dist - lsnn_dist), std::numeric_limits<double>::epsilon());
}
}
@@ -324,7 +324,7 @@ BOOST_FIXTURE_TEST_CASE(construct_multiple_levels_test, TestRandomGraphFixture_M
// one BB will be pruned, even if it could contain a nearer match.
BOOST_AUTO_TEST_CASE(regression_test)
{
using Coord = std::pair<float, float>;
using Coord = std::pair<double, double>;
using Edge = std::pair<unsigned, unsigned>;
GraphFixture fixture(
{
@@ -420,7 +420,7 @@ BOOST_AUTO_TEST_CASE(rectangle_test)
BOOST_AUTO_TEST_CASE(bearing_tests)
{
using Coord = std::pair<float, float>;
using Coord = std::pair<double, double>;
using Edge = std::pair<unsigned, unsigned>;
GraphFixture fixture(
{