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Teuchos_iostream_helpers.hpp
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4// Teuchos: Common Tools Package
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41
42#ifndef TEUCHOS_IOSTREAM_HELPERS_HPP
43#define TEUCHOS_IOSTREAM_HELPERS_HPP
44
45
51#include "Teuchos_Assert.hpp"
52
53
54namespace Teuchos {
55
56
57template<class EnumType>
58std::istream& enumIstreamExtractor(std::istream& std_is, EnumType& enum_value)
59{
60 int intval;
61 std_is >> intval;
62 enum_value = static_cast<EnumType>(intval);
63 return std_is;
64}
65
66
67} // namespace Teuchos
68
69
70#define TEUCHOS_ENUM_INPUT_STREAM_OPERATOR(ENUMTYPE) \
71inline \
72std::istream& operator>>(std::istream& std_is, ENUMTYPE& enum_value) \
73{ return Teuchos::enumIstreamExtractor(std_is, enum_value); }
74
75
76#endif // TEUCHOS_IOSTREAM_HELPERS_HPP
std::istream & enumIstreamExtractor(std::istream &std_is, EnumType &enum_value)