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Formats floating-point negative zero correctly #153

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Formats floating-point negative zero correctly #153

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ed7953d
check explicitly for zero components for absolute value
PaulXiCao Oct 26, 2025
05e45e3
DRY cleanup via lambda
PaulXiCao Oct 26, 2025
c17e74d
add tests
PaulXiCao Oct 26, 2025
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check explicitly for zero components for absolute value
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@PaulXiCao
PaulXiCao committed Oct 26, 2025
commit ed7953d8f20d2705a430d0e3a4833d49f42be4c8
8 changes: 6 additions & 2 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1238,12 +1238,16 @@ impl<T: Clone + Num> One for Complex<T> {

macro_rules! write_complex {
($f:ident, $t:expr, $prefix:expr, $re:expr, $im:expr, $T:ident) => {{
let abs_re = if $re < Zero::zero() {
let abs_re = if $re.is_zero() {
$T::zero()
} else if $re < Zero::zero() {
$T::zero() - $re.clone()
} else {
$re.clone()
};
let abs_im = if $im < Zero::zero() {
let abs_im = if $im.is_zero() {
$T::zero()
} else if $im < Zero::zero() {
$T::zero() - $im.clone()
} else {
$im.clone()
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