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AK: Add support for keeping trailing zeros in fixed precision floats

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This uses the same syntax as zero padding integers:
String::formatted("{:0.5}", 1.234) => "1.23400"
This commit is contained in:
Idan Horowitz 2021-06-19 17:00:31 +03:00 • committed by Linus Groh
parent 4d5ffd364a
commit 5e53a690ac
3 changed files with 15 additions and 3 deletions
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6
Tests/AK/TestFormat.cpp
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@ -252,6 +252,12 @@ TEST_CASE(yay_this_implementation_sucks)
EXPECT_EQ(String::formatted("{:.0}", .99999999999), "0");
}
TEST_CASE(precision_with_trailing_zeros)
{
EXPECT_EQ(String::formatted("{:0.3}", 1.12), "1.120");
EXPECT_EQ(String::formatted("{:0.1}", 1.12), "1.1");
}
TEST_CASE(magnitude_less_than_zero)
{
EXPECT_EQ(String::formatted("{}", -0.654), "-0.654");