1 #ifndef icu4x_Decimal_D_HPP 2 #define icu4x_Decimal_D_HPP 3 4 #include <stdio.h> 5 #include <stdint.h> 6 #include <stddef.h> 7 #include <stdbool.h> 8 #include <memory> 9 #include <functional> 10 #include <optional> 11 #include "../diplomat_runtime.hpp" 12 13 namespace icu4x { 14 namespace capi { struct Decimal; } 15 class Decimal; 16 struct FixedDecimalLimitError; 17 class FixedDecimalParseError; 18 class FixedDecimalRoundingIncrement; 19 class FixedDecimalSign; 20 class FixedDecimalSignDisplay; 21 class FixedDecimalSignedRoundingMode; 22 } 23 24 25 namespace icu4x { 26 namespace capi { 27 struct Decimal; 28 } // namespace capi 29 } // namespace 30 31 namespace icu4x { 32 class Decimal { 33 public: 34 35 inline static std::unique_ptr<icu4x::Decimal> from(int32_t v); 36 37 inline static std::unique_ptr<icu4x::Decimal> from(uint32_t v); 38 39 inline static std::unique_ptr<icu4x::Decimal> from(int64_t v); 40 41 inline static std::unique_ptr<icu4x::Decimal> from(uint64_t v); 42 43 inline static diplomat::result<std::unique_ptr<icu4x::Decimal>, icu4x::FixedDecimalLimitError> from_double_with_integer_precision(double f); 44 45 inline static diplomat::result<std::unique_ptr<icu4x::Decimal>, icu4x::FixedDecimalLimitError> from_double_with_lower_magnitude(double f, int16_t magnitude); 46 47 inline static diplomat::result<std::unique_ptr<icu4x::Decimal>, icu4x::FixedDecimalLimitError> from_double_with_significant_digits(double f, uint8_t digits); 48 49 inline static diplomat::result<std::unique_ptr<icu4x::Decimal>, icu4x::FixedDecimalLimitError> from_double_with_round_trip_precision(double f); 50 51 inline static diplomat::result<std::unique_ptr<icu4x::Decimal>, icu4x::FixedDecimalParseError> from_string(std::string_view v); 52 53 inline uint8_t digit_at(int16_t magnitude) const; 54 55 inline int16_t magnitude_start() const; 56 57 inline int16_t magnitude_end() const; 58 59 inline int16_t nonzero_magnitude_start() const; 60 61 inline int16_t nonzero_magnitude_end() const; 62 63 inline bool is_zero() const; 64 65 inline void multiply_pow10(int16_t power); 66 67 inline icu4x::FixedDecimalSign sign() const; 68 69 inline void set_sign(icu4x::FixedDecimalSign sign); 70 71 inline void apply_sign_display(icu4x::FixedDecimalSignDisplay sign_display); 72 73 inline void trim_start(); 74 75 inline void trim_end(); 76 77 inline void trim_end_if_integer(); 78 79 inline void pad_start(int16_t position); 80 81 inline void pad_end(int16_t position); 82 83 inline void set_max_position(int16_t position); 84 85 inline void round(int16_t position); 86 87 inline void ceil(int16_t position); 88 89 inline void expand(int16_t position); 90 91 inline void floor(int16_t position); 92 93 inline void trunc(int16_t position); 94 95 inline void round_with_mode(int16_t position, icu4x::FixedDecimalSignedRoundingMode mode); 96 97 inline void round_with_mode_and_increment(int16_t position, icu4x::FixedDecimalSignedRoundingMode mode, icu4x::FixedDecimalRoundingIncrement increment); 98 99 inline diplomat::result<std::monostate, std::monostate> concatenate_end(icu4x::Decimal& other); 100 101 inline std::string to_string() const; 102 103 inline const icu4x::capi::Decimal* AsFFI() const; 104 inline icu4x::capi::Decimal* AsFFI(); 105 inline static const icu4x::Decimal* FromFFI(const icu4x::capi::Decimal* ptr); 106 inline static icu4x::Decimal* FromFFI(icu4x::capi::Decimal* ptr); 107 inline static void operator delete(void* ptr); 108 private: 109 Decimal() = delete; 110 Decimal(const icu4x::Decimal&) = delete; 111 Decimal(icu4x::Decimal&&) noexcept = delete; 112 Decimal operator=(const icu4x::Decimal&) = delete; 113 Decimal operator=(icu4x::Decimal&&) noexcept = delete; 114 static void operator delete[](void*, size_t) = delete; 115 }; 116 117 } // namespace 118 #endif // icu4x_Decimal_D_HPP 119