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[rescale] fix for points / empty boxes

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This commit is contained in:
Barend Gehrels
2014-05-21 12:33:11 +02:00
parent 6d6c472d74
commit 089a9841c6
1 changed files with 4 additions and 2 deletions
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6
include/boost/geometry/policies/robustness/get_rescale_policy.hpp
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@@ -58,7 +58,8 @@ static inline void init_rescale_policy(Geometry const& geometry,
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>(
factor = math::equals(diff, num_type()) ? 1
: boost::numeric_cast<num_type>(
boost::numeric_cast<boost::long_long_type>(half + range / diff));
// Assign input/output minimal points
@@ -90,7 +91,8 @@ static inline void init_rescale_policy(Geometry1 const& geometry1,
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>(
factor = math::equals(diff, num_type()) ? 1
: boost::numeric_cast<num_type>(
boost::numeric_cast<boost::long_long_type>(half + range / diff));
// Assign input/output minimal points