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Move NumberInput.svelte input processing from JS to Rust (#4274)

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* Move NumberInput.svelte input processing from JS to Rust

* Fix edge cases
This commit is contained in:
Keavon Chambers
2026-06-22 14:57:11 -07:00
committed by GitHub
parent f798b48b83
commit c1fa8ba8da
9 changed files with 77 additions and 45 deletions
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libraries/math-parser/src/grammer.pest
+1 -1
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@@ -26,7 +26,7 @@ fn_call = { ident ~ "(" ~ expr ~ ("," ~ expr)* ~ ")" }
ident = @{ (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "_")* }
lit = { unit | ((float | int) ~ unit?) }
float = @{ int ~ "." ~ int? ~ exp? | int ~ exp }
float = @{ (int ~ "." ~ int? ~ exp? | "." ~ int ~ exp? | int ~ exp) ~ !("." | ASCII_DIGIT) }
exp = _{ ^"e" ~ ("+" | "-")? ~ int }
int = @{ ASCII_DIGIT+ }
libraries/math-parser/src/lib.rs
+13
View File
@@ -27,6 +27,14 @@ mod tests {
const EPSILON: f64 = 1e-10_f64;
#[test]
fn malformed_juxtaposed_numbers_fail_to_parse() {
// Two numbers cannot be glued together by a stray decimal point (they must not parse as implicit multiplication).
for input in ["1..5", "1.5.5", "1..", ".5.5"] {
assert!(evaluate(input).is_err(), "expected `{input}` to be a parse error");
}
}
macro_rules! test_end_to_end{
($($name:ident: $input:expr_2021 => ($expected_value:expr_2021, $expected_unit:expr_2021)),* $(,)?) => {
$(
@@ -139,6 +147,11 @@ mod tests {
exponent_tau: "2^tau" => (2f64.powf(2. * std::f64::consts::PI), Unit::BASE_UNIT),
infinity_subtract_large_number: "inf - 1000" => (f64::INFINITY, Unit::BASE_UNIT),
// Decimals with no leading digit before the point
leading_dot_decimal: ".5" => (0.5, Unit::BASE_UNIT),
leading_dot_in_expression: "1+.5" => (1.5, Unit::BASE_UNIT),
leading_dot_exponent: ".5e3" => (500., Unit::BASE_UNIT),
// Trigonometric functions
trig_sin_pi: "sin(pi)" => (0., Unit::BASE_UNIT),
trig_cos_zero: "cos(0)" => (1., Unit::BASE_UNIT),