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base: Fix strong_int implem

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This commit is contained in:
Corentin Le Molgat
2025-03-31 16:12:16 +02:00
parent 3e5399c45b
commit e0a0a597a0
1 changed files with 52 additions and 0 deletions
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52
ortools/base/strong_int.h
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@@ -455,6 +455,58 @@ namespace std {
template <typename StrongIntName, typename ValueType>
struct hash<util_intops::StrongInt<StrongIntName, ValueType>>
: util_intops::StrongInt<StrongIntName, ValueType>::Hasher {};
template <typename TagType, typename NativeType>
struct numeric_limits<util_intops::StrongInt<TagType, NativeType>> {
private:
using StrongIntT = util_intops::StrongInt<TagType, NativeType>;
public:
// NOLINTBEGIN(google3-readability-class-member-naming)
static constexpr bool is_specialized = true;
static constexpr bool is_signed = numeric_limits<NativeType>::is_signed;
static constexpr bool is_integer = numeric_limits<NativeType>::is_integer;
static constexpr bool is_exact = numeric_limits<NativeType>::is_exact;
static constexpr bool has_infinity = numeric_limits<NativeType>::has_infinity;
static constexpr bool has_quiet_NaN =
numeric_limits<NativeType>::has_quiet_NaN;
static constexpr bool has_signaling_NaN =
numeric_limits<NativeType>::has_signaling_NaN;
static constexpr float_denorm_style has_denorm =
numeric_limits<NativeType>::has_denorm;
static constexpr bool has_denorm_loss =
numeric_limits<NativeType>::has_denorm_loss;
static constexpr float_round_style round_style =
numeric_limits<NativeType>::round_style;
static constexpr bool is_iec559 = numeric_limits<NativeType>::is_iec559;
static constexpr bool is_bounded = numeric_limits<NativeType>::is_bounded;
static constexpr bool is_modulo = numeric_limits<NativeType>::is_modulo;
static constexpr int digits = numeric_limits<NativeType>::digits;
static constexpr int digits10 = numeric_limits<NativeType>::digits10;
static constexpr int max_digits10 = numeric_limits<NativeType>::max_digits10;
static constexpr int radix = numeric_limits<NativeType>::radix;
static constexpr int min_exponent = numeric_limits<NativeType>::min_exponent;
static constexpr int min_exponent10 =
numeric_limits<NativeType>::min_exponent10;
static constexpr int max_exponent = numeric_limits<NativeType>::max_exponent;
static constexpr int max_exponent10 =
numeric_limits<NativeType>::max_exponent10;
static constexpr bool traps = numeric_limits<NativeType>::traps;
static constexpr bool tinyness_before =
numeric_limits<NativeType>::tinyness_before;
// NOLINTEND(google3-readability-class-member-naming)
static constexpr StrongIntT(min)() { return StrongIntT(numeric_limits<NativeType>::min()); }
static constexpr StrongIntT lowest() { return StrongIntT(numeric_limits<NativeType>::min()); }
static constexpr StrongIntT(max)() { return StrongIntT(numeric_limits<NativeType>::max()); }
static constexpr StrongIntT epsilon() { return StrongIntT(numeric_limits<NativeType>::epsilon()); }
static constexpr StrongIntT round_error() { return StrongIntT(numeric_limits<NativeType>::round_error()); }
static constexpr StrongIntT infinity() { return StrongIntT(numeric_limits<NativeType>::infinity()); }
static constexpr StrongIntT quiet_NaN() { return StrongIntT(numeric_limits<NativeType>::quiet_NaN()); }
static constexpr StrongIntT signaling_NaN() { return StrongIntT(numeric_limits<NativeType>::signaling_NaN()); }
static constexpr StrongIntT denorm_min() { return StrongIntT(numeric_limits<NativeType>::denorm_min()); }
};
} // namespace std
#endif // OR_TOOLS_BASE_STRONG_INT_H_