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Handle invalid inter-element spaces to prevent crashes in debug builds

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wesleyel
2026-04-07 20:35:20 +08:00
parent 2a6cb0cb4c
commit 70066e8043
1 changed files with 5 additions and 1 deletions
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6
Sources/SwiftUIMath/Internal/Display/Typesetter.swift
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@@ -1846,7 +1846,11 @@ extension Math {
let spaceArray = getInterElementSpaces()[Int(leftIndex)] let spaceArray = getInterElementSpaces()[Int(leftIndex)]
let spaceTypeObj = spaceArray[Int(rightIndex)] let spaceTypeObj = spaceArray[Int(rightIndex)]
let spaceType = spaceTypeObj let spaceType = spaceTypeObj
assert(spaceType != .invalid, "Invalid space between \(left) and \(right)") // Keep malformed LaTeX from crashing debug builds. Propagating NaN lets callers
// detect the failed layout and surface it as a validation issue instead.
if spaceType == .invalid {
return .nan
}
let spaceMultipler = self.getSpacingInMu(spaceType) let spaceMultipler = self.getSpacingInMu(spaceType)
if spaceMultipler > 0 { if spaceMultipler > 0 {