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Removed redundant format_decimal implementation for constexpr context

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This commit is contained in:
Roman Koshelev 2021-09-12 18:09:05 +03:00
parent 3f5e3cbb2c
commit 768caf7c9a
1 changed files with 1 additions and 9 deletions
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10
include/fmt/format.h
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@ -1090,19 +1090,11 @@ template <typename Iterator> struct format_decimal_result {
// buffer of specified size. The caller must ensure that the buffer is large // buffer of specified size. The caller must ensure that the buffer is large
// enough. // enough.
template <typename Char, typename UInt> template <typename Char, typename UInt>
FMT_CONSTEXPR20 auto format_decimal(Char* out, UInt value, int size) FMT_CONSTEXPR auto format_decimal(Char* out, UInt value, int size)
-> format_decimal_result<Char*> { -> format_decimal_result<Char*> {
FMT_ASSERT(size >= count_digits(value), "invalid digit count"); FMT_ASSERT(size >= count_digits(value), "invalid digit count");
out += size; out += size;
Char* end = out; Char* end = out;
if (is_constant_evaluated()) {
while (value >= 10) {
*--out = static_cast<Char>('0' + value % 10);
value /= 10;
}
*--out = static_cast<Char>('0' + value);
return {out, end};
}
while (value >= 100) { while (value >= 100) {
// Integer division is slow so do it for a group of two digits instead // Integer division is slow so do it for a group of two digits instead
// of for every digit. The idea comes from the talk by Alexandrescu // of for every digit. The idea comes from the talk by Alexandrescu