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Remove float_format

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This commit is contained in:
Victor Zverovich 2024-07-27 12:03:03 -07:00
parent 919f7c5e7f
commit 29d7e58059
1 changed files with 9 additions and 31 deletions
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40
include/fmt/format.h
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@ -2355,15 +2355,7 @@ FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end,
return begin;
}
// A floating-point presentation format.
enum class float_format : unsigned char {
general, // General: exponent notation or fixed point based on magnitude.
exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3.
fixed // Fixed point with the default precision of 6, e.g. 0.0012.
};
struct float_specs {
float_format format : 8;
sign_t sign : 8;
};
@ -2507,8 +2499,8 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f,
int output_exp = f.exponent + significand_size - 1;
auto use_exp_format = [=]() {
if (fspecs.format == float_format::exp) return true;
if (fspecs.format != float_format::general) return false;
if (specs.type == presentation_type::exp) return true;
if (specs.type == presentation_type::fixed) return false;
// Use the fixed notation if the exponent is in [exp_lower, exp_upper),
// e.g. 0.0001 instead of 1e-04. Otherwise use the exponent notation.
const int exp_lower = -4, exp_upper = 16;
@ -2552,7 +2544,8 @@ FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f,
abort_fuzzing_if(num_zeros > 5000);
if (specs.alt) {
++size;
if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 0;
if (num_zeros <= 0 && specs.type != presentation_type::fixed)
num_zeros = 0;
if (num_zeros > 0) size += to_unsigned(num_zeros);
}
auto grouping = Grouping(loc, specs.localized);
@ -3518,31 +3511,16 @@ FMT_CONSTEXPR20 auto write_float(OutputIt out, T value, format_specs specs,
else
++precision;
specs.alt |= specs.precision != 0;
} else if (specs.type != presentation_type::fixed && precision == 0) {
precision = 1;
}
float_specs fspecs = float_specs();
switch (specs.type) {
default:
FMT_FALLTHROUGH;
case presentation_type::none:
fspecs.format = float_format::general;
break;
case presentation_type::exp:
fspecs.format = float_format::exp;
break;
case presentation_type::fixed:
fspecs.format = float_format::fixed;
} else if (specs.type == presentation_type::fixed) {
specs.alt |= specs.precision != 0;
break;
case presentation_type::general:
fspecs.format = float_format::general;
break;
} else if (precision == 0) {
precision = 1;
}
int exp = format_float(convert_float(value), precision, specs,
std::is_same<T, float>(), buffer);
float_specs fspecs = float_specs();
fspecs.sign = sign;
specs.precision = precision;
auto f = big_decimal_fp{buffer.data(), static_cast<int>(buffer.size()), exp};