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Make precision computation consistent with width

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This commit is contained in:
Victor Zverovich 2022-05-11 06:34:51 -07:00
parent f63afd161f
commit 358f5a7e50
2 changed files with 11 additions and 5 deletions
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15
include/fmt/format.h
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@ -680,8 +680,8 @@ FMT_CONSTEXPR inline size_t compute_width(string_view s) {
}
inline auto compute_width(basic_string_view<char8_type> s) -> size_t {
return compute_width(basic_string_view<char>(
reinterpret_cast<const char*>(s.data()), s.size()));
return compute_width(
string_view(reinterpret_cast<const char*>(s.data()), s.size()));
}
template <typename Char>
@ -691,9 +691,8 @@ inline auto code_point_index(basic_string_view<Char> s, size_t n) -> size_t {
}
// Calculates the index of the nth code point in a UTF-8 string.
inline auto code_point_index(basic_string_view<char8_type> s, size_t n)
-> size_t {
const char8_type* data = s.data();
inline auto code_point_index(string_view s, size_t n) -> size_t {
const char* data = s.data();
size_t num_code_points = 0;
for (size_t i = 0, size = s.size(); i != size; ++i) {
if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) return i;
@ -701,6 +700,12 @@ inline auto code_point_index(basic_string_view<char8_type> s, size_t n)
return s.size();
}
inline auto code_point_index(basic_string_view<char8_type> s, size_t n)
-> size_t {
return code_point_index(
string_view(reinterpret_cast<const char*>(s.data()), s.size()), n);
}
#ifndef FMT_USE_FLOAT128
# ifdef __SIZEOF_FLOAT128__
# define FMT_USE_FLOAT128 1

1
test/format-test.cc
View File

@ -1035,6 +1035,7 @@ TEST(format_test, precision) {
format_error, "number is too big");
EXPECT_EQ("st", fmt::format("{0:.2}", "str"));
EXPECT_EQ("вожык", fmt::format("{0:.5}", "вожыкі"));
}
TEST(format_test, runtime_precision) {