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Simplify float_info

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This commit is contained in:
Victor Zverovich
2022-03-14 13:15:30 -07:00
parent f91f61cd13
commit 72f487562d
3 changed files with 18 additions and 31 deletions
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16
include/fmt/format.h
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@@ -1227,45 +1227,29 @@ template <typename T, typename Enable = void> struct float_info;
template <> struct float_info<float> {
using carrier_uint = uint32_t;
static const int exponent_bits = 8;
static const int min_exponent = -126;
static const int max_exponent = 127;
static const int exponent_bias = -127;
static const int decimal_digits = 9;
static const int kappa = 1;
static const int big_divisor = 100;
static const int small_divisor = 10;
static const int min_k = -31;
static const int max_k = 46;
static const int cache_bits = 64;
static const int divisibility_check_by_5_threshold = 39;
static const int case_fc_pm_half_lower_threshold = -1;
static const int case_shorter_interval_left_endpoint_lower_threshold = 2;
static const int case_shorter_interval_left_endpoint_upper_threshold = 3;
static const int shorter_interval_tie_lower_threshold = -35;
static const int shorter_interval_tie_upper_threshold = -35;
static const int max_trailing_zeros = 7;
};
template <> struct float_info<double> {
using carrier_uint = uint64_t;
static const int exponent_bits = 11;
static const int min_exponent = -1022;
static const int max_exponent = 1023;
static const int exponent_bias = -1023;
static const int decimal_digits = 17;
static const int kappa = 2;
static const int big_divisor = 1000;
static const int small_divisor = 100;
static const int min_k = -292;
static const int max_k = 326;
static const int cache_bits = 128;
static const int divisibility_check_by_5_threshold = 86;
static const int case_fc_pm_half_lower_threshold = -2;
static const int case_shorter_interval_left_endpoint_lower_threshold = 2;
static const int case_shorter_interval_left_endpoint_upper_threshold = 3;
static const int shorter_interval_tie_lower_threshold = -77;
static const int shorter_interval_tie_upper_threshold = -77;
static const int max_trailing_zeros = 16;
};
// 80-bit extended precision long double.