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[get_rescale_policy] follow up, avoid casts, use numeric constants for ttmath

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This commit is contained in:
Barend Gehrels
2014-04-23 15:37:51 +02:00
parent cc71c5dbfb
commit ed1f680e6d
1 changed files with 16 additions and 14 deletions
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30
include/boost/geometry/policies/robustness/get_rescale_policy.hpp
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@@ -52,17 +52,18 @@ static inline void init_rescale_policy(Geometry const& geometry,
<
typename geometry::coordinate_type<Point>::type
>::type num_type;
num_type diff = boost::numeric_cast<num_type>(detail::get_max_size(env));
num_type range = 10000000.0; // Define a large range to get precise integer coordinates
num_type const diff = boost::numeric_cast<num_type>(detail::get_max_size(env));
num_type const range = 10000000.0; // Define a large range to get precise integer coordinates
num_type const half = 0.5;
factor = boost::numeric_cast<num_type>(
boost::long_long_type(0.5 + range / diff));
boost::numeric_cast<boost::long_long_type>(half + range / diff));
// Assign input/output minimal points
num_type const two = 2;
detail::assign_point_from_index<0>(env, min_point);
assign_values(min_robust_point,
boost::long_long_type(-range/two),
boost::long_long_type(-range/two));
num_type const two = 2;
boost::long_long_type const min_coordinate
= boost::numeric_cast<boost::long_long_type>(-range / two);
assign_values(min_robust_point, min_coordinate, min_coordinate);
}
template <typename Point, typename RobustPoint, typename Geometry1, typename Geometry2, typename Factor>
@@ -83,17 +84,18 @@ static inline void init_rescale_policy(Geometry1 const& geometry1,
<
typename geometry::coordinate_type<Point>::type
>::type num_type;
num_type diff = boost::numeric_cast<num_type>(detail::get_max_size(env));
num_type range = 10000000.0; // Define a large range to get precise integer coordinates
num_type const diff = boost::numeric_cast<num_type>(detail::get_max_size(env));
num_type const range = 10000000.0; // Define a large range to get precise integer coordinates
num_type const half = 0.5;
factor = boost::numeric_cast<num_type>(
boost::long_long_type(0.5 + range / diff));
boost::numeric_cast<boost::long_long_type>(half + range / diff));
// Assign input/output minimal points
num_type const two = 2;
detail::assign_point_from_index<0>(env, min_point);
assign_values(min_robust_point,
boost::long_long_type(-range/two),
boost::long_long_type(-range/two));
num_type const two = 2;
boost::long_long_type const min_coordinate
= boost::numeric_cast<boost::long_long_type>(-range / two);
assign_values(min_robust_point, min_coordinate, min_coordinate);
}