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[buffer] stop in case of numeric errors in side strategy

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barendgehrels
2015-05-24 11:22:45 +02:00
parent 62fa2ccc59
commit ad088fcf02
3 changed files with 46 additions and 7 deletions
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40
test/algorithms/buffer/linestring_buffer.cpp
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@@ -64,8 +64,14 @@ static std::string const mysql_report_2015_03_02b = "LINESTRING(0 1,0 5,5 5,5 0,
static std::string const mysql_report_2015_03_02c = "LINESTRING(0 2,0 5,5 5,5 0,2 0)"; // not closed, 2 difference
static std::string const mysql_report_2015_04_01 = "LINESTRING(103 5,107 2,111 4,116 -1,115 0,112 4)";
static std::string const mysql_report_2015_04_10a = "LINESTRING(1.922421e+307 1.520384e+308, 15 42, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10b = "LINESTRING(0 0, 15 42, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10b = "LINESTRING(15 42, 89 -93,-89 -22, 1.922421e+307 1.520384e+308)";
static std::string const mysql_report_2015_04_10c = "LINESTRING(15 42, 1.922421e+307 1.520384e+308, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10d = "LINESTRING(1.922421e+307 1.520384e+308, 1.923421e+307 1.521384e+308, 15 42, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10e = "LINESTRING(15 42, 89 -93,-89 -22, 1.922421e+307 1.520384e+308, 1.923421e+307 1.521384e+308)";
static std::string const mysql_report_2015_04_10f = "LINESTRING(15 42, 1.922421e+307 1.520384e+308, 1.923421e+307 1.521384e+308, 89 -93,-89 -22)";
static std::string const mysql_report_2015_04_10g = "LINESTRING(15 42, 89 -93,-89 -22)";
@@ -235,21 +241,38 @@ void test_all()
test_one<linestring, polygon>("aimes181", aimes181, join_round_by_divide, end_round, 2.57415564419716247e-08, 0.000036, 0.000036, true, tolerance);
}
test_one<linestring, polygon>("crossing", crossing, join_round32, end_flat, 1702.119, 20.0);
test_one<linestring, polygon>("crossing", crossing, join_round32, end_round32, 2140.450, 20.0);
// On one compiler 1702.56530051454502 2140.78725663358819
// so we increase tolerance
test_one<linestring, polygon>("crossing", crossing, join_round32, end_flat, 1702.1, 20.0, 20.0, true, 0.5);
test_one<linestring, polygon>("crossing", crossing, join_round32, end_round32, 2140.4, 20.0, 20.0, true, 0.5);
test_one<linestring, polygon>("mikado1", mikado1, join_round32, end_round32, 5441135039.0979, 41751.0);
}
template <bool Clockwise, typename P>
void test_invalid()
{
typedef bg::model::linestring<P> linestring;
typedef bg::model::polygon<P, Clockwise> polygon;
bg::strategy::buffer::end_round end_round32(32);
bg::strategy::buffer::join_round join_round32(32);
#if defined(BOOST_GEOMETRY_BUFFER_INCLUDE_FAILING_TESTS)
// Though the generated buffer of this linestring, containing extreme differences, is not correct, it resembles
// the equivalent (where the coordinates are set to 0). Both SQL Server and POSTGIS do not output anything for this case
test_one<linestring, polygon>("mysql_report_2015_04_10a", mysql_report_2015_04_10a, join_round32, end_round32, 86496.5005, 100.0);
test_one<linestring, polygon>("mysql_report_2015_04_10b", mysql_report_2015_04_10b, join_round32, end_round32, 86496.5005, 100.0);
test_one<linestring, polygon>("mysql_report_2015_04_10c", mysql_report_2015_04_10c, join_round32, end_round32, 86496.5005, 100.0);
test_one<linestring, polygon>("mysql_report_2015_04_10d", mysql_report_2015_04_10d, join_round32, end_round32, 86496.5005, 100.0);
test_one<linestring, polygon>("mysql_report_2015_04_10e", mysql_report_2015_04_10e, join_round32, end_round32, 86496.5005, 100.0);
test_one<linestring, polygon>("mysql_report_2015_04_10f", mysql_report_2015_04_10f, join_round32, end_round32, 86496.5005, 100.0);
#endif
// The equivalent case
test_one<linestring, polygon>("mysql_report_2015_04_10b", mysql_report_2015_04_10b, join_round32, end_round32, 86531.4817, 100.0);
// The equivalent, valid, case
test_one<linestring, polygon>("mysql_report_2015_04_10g", mysql_report_2015_04_10g, join_round32, end_round32, 86527.871, 100.0);
}
//#define HAVE_TTMATH
#ifdef HAVE_TTMATH
#include <ttmath_stub.hpp>
#endif
@@ -260,5 +283,8 @@ int test_main(int, char* [])
test_all<true, bg::model::point<double, 2, bg::cs::cartesian> >();
test_all<false, bg::model::point<double, 2, bg::cs::cartesian> >();
//test_all<bg::model::point<tt, 2, bg::cs::cartesian> >();
test_invalid<true, bg::model::point<double, 2, bg::cs::cartesian> >();
// test_invalid<true, bg::model::point<long double, 2, bg::cs::cartesian> >();
return 0;
}