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Improve code by using unsigned_abs

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This commit is contained in:
Guillaume Gomez 2024-11-20 18:18:29 +01:00
parent d318878c5f
commit 0d4b52f772
1 changed files with 2 additions and 18 deletions
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20
library/core/src/fmt/num.rs
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@ -219,29 +219,13 @@ macro_rules! impl_Display {
#[stable(feature = "rust1", since = "1.0.0")]
impl fmt::Display for $signed {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let is_nonnegative = *self >= 0;
if !is_nonnegative {
#[cfg(not(feature = "optimize_for_size"))]
{
// convert the negative num to positive by summing 1 to its 2s complement
return (!self as $unsigned).wrapping_add(1)._fmt(false, f);
}
#[cfg(feature = "optimize_for_size")]
{
// convert the negative num to positive by summing 1 to its 2s complement
return $gen_name((!self.$conv_fn()).wrapping_add(1), false, f);
}
}
// If it's a positive integer.
#[cfg(not(feature = "optimize_for_size"))]
{
(*self as $unsigned)._fmt(true, f)
return self.unsigned_abs()._fmt(*self >= 0, f);
}
#[cfg(feature = "optimize_for_size")]
{
$gen_name(self.$conv_fn(), true, f)
return $gen_name(self.unsigned_abs().$conv_fn(), *self >= 0, f);
}
}
}