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Add signbit function

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This commit is contained in:
Charles Schlosser
2022-11-04 00:31:20 +00:00
committed by Rasmus Munk Larsen
parent 8f8e36458f
commit 82b152dbe7
12 changed files with 332 additions and 9 deletions
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26
Eigen/src/Core/util/Meta.h
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@@ -43,6 +43,32 @@ typedef std::uint32_t uint32_t;
typedef std::int32_t int32_t;
typedef std::uint64_t uint64_t;
typedef std::int64_t int64_t;
template <size_t Size>
struct get_integer_by_size {
typedef void signed_type;
typedef void unsigned_type;
};
template <>
struct get_integer_by_size<1> {
typedef int8_t signed_type;
typedef uint8_t unsigned_type;
};
template <>
struct get_integer_by_size<2> {
typedef int16_t signed_type;
typedef uint16_t unsigned_type;
};
template <>
struct get_integer_by_size<4> {
typedef int32_t signed_type;
typedef uint32_t unsigned_type;
};
template <>
struct get_integer_by_size<8> {
typedef int64_t signed_type;
typedef uint64_t unsigned_type;
};
}
}