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Merge pull request #54 from nguillot/dfrac_support

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Add support for dfrac and tfrac LaTeX commands
This commit is contained in:
mgriebling
2025-11-04 09:54:02 -05:00
committed by GitHub
parent 51b3560eb1 d2df078dc9
commit 48fcb899fc
4 changed files with 191 additions and 4 deletions
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56
Sources/SwiftMath/MathRender/MTMathListBuilder.swift
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@@ -702,6 +702,34 @@ public struct MTMathListBuilder {
frac.numerator = self.buildInternal(true)
frac.denominator = self.buildInternal(true)
return frac;
} else if command == "dfrac" {
// Display-style fraction command has 2 arguments
let frac = MTFraction()
let numerator = self.buildInternal(true)
let denominator = self.buildInternal(true)
// Prepend \displaystyle to force display mode rendering
let displayStyle = MTMathStyle(style: .display)
numerator?.insert(displayStyle, at: 0)
denominator?.insert(displayStyle, at: 0)
frac.numerator = numerator
frac.denominator = denominator
return frac;
} else if command == "tfrac" {
// Text-style fraction command has 2 arguments
let frac = MTFraction()
let numerator = self.buildInternal(true)
let denominator = self.buildInternal(true)
// Prepend \textstyle to force text mode rendering
let textStyle = MTMathStyle(style: .text)
numerator?.insert(textStyle, at: 0)
denominator?.insert(textStyle, at: 0)
frac.numerator = numerator
frac.denominator = denominator
return frac;
} else if command == "binom" {
// A binom command has 2 arguments
let frac = MTFraction(hasRule: false)
@@ -1048,6 +1076,34 @@ public struct MTMathListBuilder {
frac.numerator = self.buildInternal(true)
frac.denominator = self.buildInternal(true)
return frac
} else if command == "dfrac" {
// Display-style fraction command has 2 arguments
let frac = MTFraction()
let numerator = self.buildInternal(true)
let denominator = self.buildInternal(true)
// Prepend \displaystyle to force display mode rendering
let displayStyle = MTMathStyle(style: .display)
numerator?.insert(displayStyle, at: 0)
denominator?.insert(displayStyle, at: 0)
frac.numerator = numerator
frac.denominator = denominator
return frac
} else if command == "tfrac" {
// Text-style fraction command has 2 arguments
let frac = MTFraction()
let numerator = self.buildInternal(true)
let denominator = self.buildInternal(true)
// Prepend \textstyle to force text mode rendering
let textStyle = MTMathStyle(style: .text)
numerator?.insert(textStyle, at: 0)
denominator?.insert(textStyle, at: 0)
frac.numerator = numerator
frac.denominator = denominator
return frac
} else if command == "binom" {
let frac = MTFraction(hasRule: false)
frac.numerator = self.buildInternal(true)