Fix fallback float formatter at assymetric bounds (#1976)

This commit is contained in:
Victor Zverovich 2020-11-03 19:19:10 -08:00
parent bcab36da3f
commit 6b7bfed40c
2 changed files with 3 additions and 1 deletions

View File

@ -2332,7 +2332,7 @@ void fallback_format(Double d, int num_digits, bool binary32, buffer<char>& buf,
upper = &upper_store;
}
denominator.assign_pow10(exp10);
denominator <<= 1;
denominator <<= shift;
} else if (exp10 < 0) {
numerator.assign_pow10(-exp10);
lower.assign(numerator);

View File

@ -1317,6 +1317,8 @@ TEST(FormatterTest, FormatDouble) {
EXPECT_EQ(buffer, format("{:a}", -42.0));
safe_sprintf(buffer, "%A", -42.0);
EXPECT_EQ(buffer, format("{:A}", -42.0));
EXPECT_EQ("9223372036854775808.000000",
format("{:f}", 9223372036854775807.0));
}
TEST(FormatterTest, PrecisionRounding) {