Fix crash when sqrt has no radicand

2023-07-06 11:33:12 +02:00
parent 695c8a6b84
commit a482791f57
2 changed files with 41 additions and 0 deletions
--- a/Sources/SwiftMath/MathRender/MTMathListBuilder.swift
+++ b/Sources/SwiftMath/MathRender/MTMathListBuilder.swift
@@ -537,6 +537,10 @@ public struct MTMathListBuilder {
        } else if command == "sqrt" {
            // A sqrt command with one argument
            let rad = MTRadical()
+            guard self.hasCharacters else {
+                rad.radicand = self.buildInternal(true)
+                return rad
+            }
            let ch = self.getNextCharacter()
            if (ch == "[") {
                // special handling for sqrt[degree]{radicand}