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detail::dragonbox Namespace Reference

Classes

struct  cache_accessor
 
struct  cache_accessor< float >
 
struct  cache_accessor< double >
 
struct  float_info
 
struct  float_info< float >
 
struct  float_info< double >
 
struct  decimal_fp
 

Functions

FMT_SAFEBUFFERS uint128_wrapper umul128 (uint64_t x, uint64_t y) FMT_NOEXCEPT
 
FMT_SAFEBUFFERS uint64_t umul128_upper64 (uint64_t x, uint64_t y) FMT_NOEXCEPT
 
FMT_SAFEBUFFERS uint64_t umul192_upper64 (uint64_t x, uint128_wrapper y) FMT_NOEXCEPT
 
uint32_t umul96_upper32 (uint32_t x, uint64_t y) FMT_NOEXCEPT
 
FMT_SAFEBUFFERS uint64_t umul192_middle64 (uint64_t x, uint128_wrapper y) FMT_NOEXCEPT
 
uint64_t umul96_lower64 (uint32_t x, uint64_t y) FMT_NOEXCEPT
 
int floor_log10_pow2 (int e) FMT_NOEXCEPT
 
int floor_log2_pow10 (int e) FMT_NOEXCEPT
 
int floor_log10_pow2_minus_log10_4_over_3 (int e) FMT_NOEXCEPT
 
bool divisible_by_power_of_2 (uint32_t x, int exp) FMT_NOEXCEPT
 
bool divisible_by_power_of_2 (uint64_t x, int exp) FMT_NOEXCEPT
 
bool divisible_by_power_of_5 (uint32_t x, int exp) FMT_NOEXCEPT
 
bool divisible_by_power_of_5 (uint64_t x, int exp) FMT_NOEXCEPT
 
template<int N>
bool check_divisibility_and_divide_by_pow5 (uint32_t &n) FMT_NOEXCEPT
 
template<int N>
uint32_t small_division_by_pow10 (uint32_t n) FMT_NOEXCEPT
 
uint32_t divide_by_10_to_kappa_plus_1 (uint32_t n) FMT_NOEXCEPT
 
uint64_t divide_by_10_to_kappa_plus_1 (uint64_t n) FMT_NOEXCEPT
 
template<class T >
bool is_left_endpoint_integer_shorter_interval (int exponent) FMT_NOEXCEPT
 
template<class T >
bool is_endpoint_integer (typename float_info< T >::carrier_uint two_f, int exponent, int minus_k) FMT_NOEXCEPT
 
template<class T >
bool is_center_integer (typename float_info< T >::carrier_uint two_f, int exponent, int minus_k) FMT_NOEXCEPT
 
FMT_ALWAYS_INLINE int remove_trailing_zeros (uint32_t &n) FMT_NOEXCEPT
 
FMT_ALWAYS_INLINE int remove_trailing_zeros (uint64_t &n) FMT_NOEXCEPT
 
template<class T >
FMT_ALWAYS_INLINE FMT_SAFEBUFFERS decimal_fp< T > shorter_interval_case (int exponent) FMT_NOEXCEPT
 
template<typename T >
FMT_SAFEBUFFERS decimal_fp< T > to_decimal (T x) FMT_NOEXCEPT
 
template<typename T >
FMT_API decimal_fp< T > to_decimal (T x) FMT_NOEXCEPT
 

Function Documentation

◆ check_divisibility_and_divide_by_pow5()

template<int N>
bool detail::dragonbox::check_divisibility_and_divide_by_pow5 ( uint32_t &  n)

References info(), kmeans_adaptive_kernel_density_bb_dependent_rotlib::n, N, and revert_app::threshold.

Referenced by to_decimal().

◆ divide_by_10_to_kappa_plus_1() [1/2]

uint32_t detail::dragonbox::divide_by_10_to_kappa_plus_1 ( uint32_t  n)
inline

References kmeans_adaptive_kernel_density_bb_dependent_rotlib::n.

Referenced by to_decimal().

◆ divide_by_10_to_kappa_plus_1() [2/2]

uint64_t detail::dragonbox::divide_by_10_to_kappa_plus_1 ( uint64_t  n)
inline

References kmeans_adaptive_kernel_density_bb_dependent_rotlib::n, and umul128_upper64().

◆ divisible_by_power_of_2() [1/2]

bool detail::dragonbox::divisible_by_power_of_2 ( uint32_t  x,
int  exp 
)
inline

References detail::exp, FMT_ASSERT, and x.

Referenced by is_center_integer().

◆ divisible_by_power_of_2() [2/2]

bool detail::dragonbox::divisible_by_power_of_2 ( uint64_t  x,
int  exp 
)
inline

References detail::exp, FMT_ASSERT, and x.

◆ divisible_by_power_of_5() [1/2]

bool detail::dragonbox::divisible_by_power_of_5 ( uint32_t  x,
int  exp 
)
inline

References detail::basic_data< T >::divtest_table_for_pow5_32, detail::exp, FMT_ASSERT, detail::divtest_table_entry< T >::max_quotient, detail::divtest_table_entry< T >::mod_inv, and x.

Referenced by is_center_integer(), and is_endpoint_integer().

◆ divisible_by_power_of_5() [2/2]

bool detail::dragonbox::divisible_by_power_of_5 ( uint64_t  x,
int  exp 
)
inline

References detail::basic_data< T >::divtest_table_for_pow5_64, detail::exp, FMT_ASSERT, detail::divtest_table_entry< T >::max_quotient, detail::divtest_table_entry< T >::mod_inv, and x.

◆ floor_log10_pow2()

int detail::dragonbox::floor_log10_pow2 ( int  e)
inline

References test.T009_Exceptions::e, FMT_ASSERT, detail::basic_data< T >::log10_2_significand, and shift.

Referenced by to_decimal().

◆ floor_log10_pow2_minus_log10_4_over_3()

int detail::dragonbox::floor_log10_pow2_minus_log10_4_over_3 ( int  e)
inline

References test.T009_Exceptions::e, FMT_ASSERT, and detail::basic_data< T >::log10_2_significand.

Referenced by shorter_interval_case().

◆ floor_log2_pow10()

int detail::dragonbox::floor_log2_pow10 ( int  e)
inline

References test.T009_Exceptions::e, and FMT_ASSERT.

Referenced by detail::dragonbox::cache_accessor< double >::get_cached_power(), shorter_interval_case(), and to_decimal().

◆ is_center_integer()

template<class T >
bool detail::dragonbox::is_center_integer ( typename float_info< T >::carrier_uint  two_f,
int  exponent,
int  minus_k 
)

References divisible_by_power_of_2(), and divisible_by_power_of_5().

◆ is_endpoint_integer()

template<class T >
bool detail::dragonbox::is_endpoint_integer ( typename float_info< T >::carrier_uint  two_f,
int  exponent,
int  minus_k 
)

References divisible_by_power_of_5().

◆ is_left_endpoint_integer_shorter_interval()

template<class T >
bool detail::dragonbox::is_left_endpoint_integer_shorter_interval ( int  exponent)

◆ remove_trailing_zeros() [1/2]

FMT_ALWAYS_INLINE int detail::dragonbox::remove_trailing_zeros ( uint32_t &  n)

References kmeans_adaptive_kernel_density_bb_dependent_rotlib::n, docking::s, and predPRE::t.

Referenced by shorter_interval_case(), and to_decimal().

◆ remove_trailing_zeros() [2/2]

FMT_ALWAYS_INLINE int detail::dragonbox::remove_trailing_zeros ( uint64_t &  n)

References kmeans_adaptive_kernel_density_bb_dependent_rotlib::n, numeric::remainder(), docking::s, and predPRE::t.

◆ shorter_interval_case()

template<class T >
FMT_ALWAYS_INLINE FMT_SAFEBUFFERS decimal_fp<T> detail::dragonbox::shorter_interval_case ( int  exponent)

References detail::dragonbox::decimal_fp< T >::exponent, floor_log10_pow2_minus_log10_4_over_3(), floor_log2_pow10(), detail::get_cached_power(), remove_trailing_zeros(), and detail::dragonbox::decimal_fp< T >::significand.

◆ small_division_by_pow10()

template<int N>
uint32_t detail::dragonbox::small_division_by_pow10 ( uint32_t  n)

References FMT_ASSERT, info(), kmeans_adaptive_kernel_density_bb_dependent_rotlib::n, and N.

◆ to_decimal() [1/2]

template<typename T >
FMT_SAFEBUFFERS decimal_fp<T> detail::dragonbox::to_decimal ( T  x)

References check_divisibility_and_divide_by_pow5(), dist(), divide_by_10_to_kappa_plus_1(), detail::dragonbox::decimal_fp< T >::exponent, floor_log10_pow2(), floor_log2_pow10(), detail::get_cached_power(), kmeans_adaptive_kernel_density_bb_dependent_rotlib::kappa, create_a3b_hbs::r, remove_trailing_zeros(), detail::dragonbox::decimal_fp< T >::significand, and x.

Referenced by detail::format_float(), and detail::write().

◆ to_decimal() [2/2]

template<typename T >
FMT_API decimal_fp<T> detail::dragonbox::to_decimal ( T  x)

References check_divisibility_and_divide_by_pow5(), dist(), divide_by_10_to_kappa_plus_1(), detail::dragonbox::decimal_fp< T >::exponent, floor_log10_pow2(), floor_log2_pow10(), detail::get_cached_power(), kmeans_adaptive_kernel_density_bb_dependent_rotlib::kappa, create_a3b_hbs::r, remove_trailing_zeros(), detail::dragonbox::decimal_fp< T >::significand, and x.

Referenced by detail::format_float(), and detail::write().

◆ umul128()

FMT_SAFEBUFFERS uint128_wrapper detail::dragonbox::umul128 ( uint64_t  x,
uint64_t  y 
)
inline

References a, compute_difference::b, kmeans_adaptive_kernel_density_bb_dependent_rotlib::c, x, and predPRE::y.

Referenced by detail::dragonbox::cache_accessor< double >::get_cached_power(), umul128_upper64(), and umul192_upper64().

◆ umul128_upper64()

FMT_SAFEBUFFERS uint64_t detail::dragonbox::umul128_upper64 ( uint64_t  x,
uint64_t  y 
)
inline

References detail::uint128_wrapper::high(), kmeans_adaptive_kernel_density_bb_dependent_rotlib::p, umul128(), x, and predPRE::y.

Referenced by divide_by_10_to_kappa_plus_1(), umul192_middle64(), umul192_upper64(), and umul96_upper32().

◆ umul192_middle64()

FMT_SAFEBUFFERS uint64_t detail::dragonbox::umul192_middle64 ( uint64_t  x,
uint128_wrapper  y 
)
inline

References umul128_upper64(), x, and predPRE::y.

Referenced by detail::dragonbox::cache_accessor< double >::compute_mul_parity().

◆ umul192_upper64()

FMT_SAFEBUFFERS uint64_t detail::dragonbox::umul192_upper64 ( uint64_t  x,
uint128_wrapper  y 
)
inline

References detail::uint128_wrapper::high(), umul128(), umul128_upper64(), x, and predPRE::y.

Referenced by detail::dragonbox::cache_accessor< double >::compute_mul().

◆ umul96_lower64()

uint64_t detail::dragonbox::umul96_lower64 ( uint32_t  x,
uint64_t  y 
)
inline

References x, and predPRE::y.

Referenced by detail::dragonbox::cache_accessor< float >::compute_mul_parity().

◆ umul96_upper32()

uint32_t detail::dragonbox::umul96_upper32 ( uint32_t  x,
uint64_t  y 
)
inline

References umul128_upper64(), x, and predPRE::y.

Referenced by detail::dragonbox::cache_accessor< float >::compute_mul().

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