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Equality comparison for complex numbers

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This commit is contained in:
PaddiM8 2022-01-14 17:59:04 +01:00
parent f5eff6d28f
commit 91ade0d4a5
1 changed files with 16 additions and 18 deletions
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34
kalk/src/kalk_value/mod.rs
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@ -919,16 +919,15 @@ impl KalkValue {
}
pub(crate) fn eq_without_unit(&self, rhs: &KalkValue) -> KalkValue {
if self.has_imaginary() || rhs.has_imaginary() {
return KalkValue::nan();
}
match (self, rhs) {
(KalkValue::Number(real, _, _), KalkValue::Number(real_rhs, _, _)) => {
KalkValue::Boolean(
(real.clone() - real_rhs.clone()).abs() < ACCEPTABLE_COMPARISON_MARGIN,
)
}
(
KalkValue::Number(real, imaginary, _),
KalkValue::Number(real_rhs, imaginary_rhs, _),
) => KalkValue::Boolean(
(real.clone() - real_rhs.clone()).abs() < ACCEPTABLE_COMPARISON_MARGIN
&& (imaginary.clone() - imaginary_rhs.clone()).abs()
< ACCEPTABLE_COMPARISON_MARGIN,
),
(KalkValue::Vector(values), KalkValue::Vector(values_rhs)) => {
let mut vecs_are_equal = true;
for (value, value_rhs) in values.iter().zip(values_rhs) {
@ -946,16 +945,15 @@ impl KalkValue {
}
pub(crate) fn not_eq_without_unit(&self, rhs: &KalkValue) -> KalkValue {
if self.has_imaginary() || rhs.has_imaginary() {
return KalkValue::nan();
}
match (self, rhs) {
(KalkValue::Number(real, _, _), KalkValue::Number(real_rhs, _, _)) => {
KalkValue::Boolean(
(real.clone() - real_rhs.clone()).abs() > ACCEPTABLE_COMPARISON_MARGIN,
)
}
(
KalkValue::Number(real, imaginary, _),
KalkValue::Number(real_rhs, imaginary_rhs, _),
) => KalkValue::Boolean(
(real.clone() - real_rhs.clone()).abs() > ACCEPTABLE_COMPARISON_MARGIN
|| (imaginary.clone() - imaginary_rhs.clone()).abs()
> ACCEPTABLE_COMPARISON_MARGIN,
),
_ => KalkValue::nan(),
}
}