OilfieldToolsNet/opm-common
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Fixes clang linking error when using std::vector<bool>::const_reference.

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Turns out that for clang this is no a bool and therefore a template
specialization is missing. We workaround this by some template (black) magic
that does the explicit instantiation for clang and for others adds another
unused instantiation for char.
This commit is contained in:
Markus Blatt
2019-05-14 14:12:42 +02:00
parent a8e7c03a4f
commit 255ffc5bba
1 changed files with 7 additions and 2 deletions
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examples/test_util/EclFilesComparator.cpp
+7 -2
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@@ -27,7 +27,8 @@
#include <algorithm>
#include <cmath>
#include <numeric>
#include <vector>
#include <type_traits>
// helper macro to handle error throws or not
#define HANDLE_ERROR(type, message) \
@@ -89,7 +90,11 @@ template void ECLFilesComparator::printValuesForCell<bool> (const std::str
template void ECLFilesComparator::printValuesForCell<int> (const std::string& keyword, const std::string reference, size_t kw_size, size_t cell, EGrid *grid, const int& value1, const int& value2) const;
template void ECLFilesComparator::printValuesForCell<double> (const std::string& keyword, const std::string reference, size_t kw_size, size_t cell, EGrid *grid, const double& value1, const double& value2) const;
template void ECLFilesComparator::printValuesForCell<std::string>(const std::string& keyword, const std::string reference, size_t kw_size, size_t cell, EGrid *grid, const std::string& value1, const std::string& value2) const;
// Hack to work around case where std::vector<bool>::const_reference is not a bool. If it is we will initialize printValuesForCell<char> otherwise printValuesForCell<std::vector<bool>::const_reference>
using boolConstReference = typename std::vector<bool>::const_reference;
using boolTypeHelper = typename std::remove_const<typename std::remove_reference<boolConstReference>::type>::type;
using boolType = typename std::conditional<std::is_same<boolTypeHelper, bool>::value, char, boolTypeHelper>::type;
template void ECLFilesComparator::printValuesForCell<boolType> (const std::string& keyword, const std::string reference, size_t kw_size, size_t cell, EGrid *grid, const boolType& value1, const boolType& value2) const;
ECLFilesComparator::ECLFilesComparator(const std::string& basename1,
const std::string& basename2,