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Remove grisu_count_digits

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Victor Zverovich 2020-09-22 19:36:52 -07:00
parent aa729bf25b
commit 085171e7e6
1 changed files with 1 additions and 15 deletions
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16
include/fmt/format-inl.h
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@ -1498,20 +1498,6 @@ enum result {
}; };
} }
// A version of count_digits optimized for grisu_gen_digits.
inline int grisu_count_digits(uint32_t n) {
if (n < 10) return 1;
if (n < 100) return 2;
if (n < 1000) return 3;
if (n < 10000) return 4;
if (n < 100000) return 5;
if (n < 1000000) return 6;
if (n < 10000000) return 7;
if (n < 100000000) return 8;
if (n < 1000000000) return 9;
return 10;
}
// Generates output using the Grisu digit-gen algorithm. // Generates output using the Grisu digit-gen algorithm.
// error: the size of the region (lower, upper) outside of which numbers // error: the size of the region (lower, upper) outside of which numbers
// definitely do not round to value (Delta in Grisu3). // definitely do not round to value (Delta in Grisu3).
@ -1527,7 +1513,7 @@ FMT_ALWAYS_INLINE digits::result grisu_gen_digits(fp value, uint64_t error,
FMT_ASSERT(integral == value.f >> -one.e, ""); FMT_ASSERT(integral == value.f >> -one.e, "");
// The fractional part of scaled value (p2 in Grisu) c = value % one. // The fractional part of scaled value (p2 in Grisu) c = value % one.
uint64_t fractional = value.f & (one.f - 1); uint64_t fractional = value.f & (one.f - 1);
exp = grisu_count_digits(integral); // kappa in Grisu. exp = count_digits(integral); // kappa in Grisu.
// Divide by 10 to prevent overflow. // Divide by 10 to prevent overflow.
auto result = handler.on_start(data::powers_of_10_64[exp - 1] << -one.e, auto result = handler.on_start(data::powers_of_10_64[exp - 1] << -one.e,
value.f / 10, error * 10, exp); value.f / 10, error * 10, exp);