coffee/fast_float
1
0
Fork 0
mirror of https://github.com/fastfloat/fast_float.git synced 2026-02-06 01:39:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

* optimize layout of the parsed_number_string_t.

Browse Source
This commit is contained in:
IRainman 2025-12-25 14:36:51 +03:00
parent b7fb05b843
commit 2aba1685b0
2 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/fast_float/ascii_number.h
View File

@ -250,19 +250,18 @@ enum class parse_error : uint_fast8_t {
}; };
template <typename UC> struct parsed_number_string_t { template <typename UC> struct parsed_number_string_t {
// an unsigned int avoids signed overflows (which are bad)
am_mant_t mantissa{0}; am_mant_t mantissa{0};
am_pow_t exponent{0}; am_pow_t exponent{0};
// contains the range of the significant digits
span<UC const> integer{}; // non-nullable
span<UC const> fraction{}; // nullable
UC const *lastmatch{nullptr}; UC const *lastmatch{nullptr};
#ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN #ifndef FASTFLOAT_ONLY_POSITIVE_C_NUMBER_WO_INF_NAN
bool negative{false}; bool negative{false};
#endif #endif
bool invalid{false}; bool invalid{false}; // be optimistic
bool too_many_digits{false}; bool too_many_digits{false}; // be optimistic
// contains the range of the significant digits parse_error error{parse_error::no_error}; // be optimistic
span<UC const> integer{}; // non-nullable
span<UC const> fraction{}; // nullable
parse_error error{parse_error::no_error};
}; };
using byte_span = span<char const>; using byte_span = span<char const>;

2
include/fast_float/float_common.h
View File

@ -502,7 +502,7 @@ full_multiplication(uint64_t a, uint64_t b) noexcept {
} }
// Value of the mantissa. // Value of the mantissa.
typedef uint_fast64_t am_mant_t; typedef uint_fast64_t am_mant_t; // an unsigned int avoids signed overflows (which are bad)
// Size of bits in the mantissa and path and rounding shifts // Size of bits in the mantissa and path and rounding shifts
typedef int_fast8_t am_bits_t; typedef int_fast8_t am_bits_t;