Remove strong dep on latexify; move to extension

Project.toml

@@ -5,7 +5,6 @@ version = "1.5.3"
 
 [deps]
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
-Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
@@ -17,13 +16,15 @@ ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 FastDifferentiation = "eb9bf01b-bf85-4b60-bf87-ee5de06c00be"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 GenericLinearAlgebra = "14197337-ba66-59df-a3e3-ca00e7dcff7a"
+Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 
 [extensions]
 QuaternionicChainRulesCoreExt = "ChainRulesCore"
 QuaternionicFastDifferentiationExt = "FastDifferentiation"
 QuaternionicForwardDiffExt = "ForwardDiff"
 QuaternionicSymbolicsExt = "Symbolics"
+QuaternionicLatexifyExt = "Latexify"
 
 [compat]
 ChainRulesCore = "1"

ext/QuaternionicFastDifferentiationExt.jl

@@ -5,7 +5,7 @@ import Quaternionic: normalize, absvec,
     AbstractQuaternion, Quaternion, Rotor, QuatVec,
     quaternion, rotor, quatvec,
     QuatVecF64, RotorF64, QuaternionF64,
-    wrapper, components, _pm_ascii, _pm_latex
+    wrapper, components
 using PrecompileTools
 isdefined(Base, :get_extension) ? (using FastDifferentiation) : (using ..FastDifferentiation)
 

ext/QuaternionicLatexifyExt.jl

@@ -0,0 +1,30 @@
+module QuaternionicLatexifyExt
+
+import Quaternionic: AbstractQuaternion, QuatVec
+isdefined(Base, :get_extension) ? (using Latexify) : (using ..Latexify)
+
+function _pm_latex_latexify(x)
+    # Utility function to print a component of a quaternion in LaTeX
+    s = Latexify.latexify(x, env=:raw, bracket=true)
+    if s[1] ∉ "+-"
+        s = "+" * s
+    end
+    if occursin(r"[+^/-]", s[2:end])
+        s = " " * s[1] * " " * "\\left(" * s[2:end] * "\\right)"
+    else
+        s = " " * s[1] * " " * s[2:end]
+    end
+    s
+end
+
+function Base.show(io::IO, ::MIME"text/latex", q::AbstractQuaternion)
+    s = Latexify.LaTeXStrings.latexstring(
+        q isa QuatVec ? "" : Latexify.latexify(q[1], env=:raw, bracket=true),
+        _pm_latex_latexify(q[2]), "\\,\\mathbf{i}",
+        _pm_latex_latexify(q[3]), "\\,\\mathbf{j}",
+        _pm_latex_latexify(q[4]), "\\,\\mathbf{k}"
+    )
+    print(io, s)
+end
+
+end  # module

ext/QuaternionicSymbolicsExt.jl

@@ -1,7 +1,6 @@
 module QuaternionicSymbolicsExt
 
 using StaticArrays: SVector
-using Latexify: latexify
 import Quaternionic: normalize, absvec,
     AbstractQuaternion, Quaternion, Rotor, QuatVec,
     quaternion, rotor, quatvec,
@@ -196,9 +195,9 @@ function _pm_ascii(x::Symbolics.Num)
     end
     s
 end
-function _pm_latex(x::Num)
+function _pm_latex(x::Symbolics.Num)
     # Utility function to print a component of a quaternion in LaTeX
-    s = latexify(x, env=:raw, bracket=true)
+    s = Symbolics.Latexify.latexify(x, env=:raw, bracket=true)
     if s[1] ∉ "+-"
         s = "+" * s
     end

src/Quaternionic.jl

@@ -1,7 +1,7 @@
 module Quaternionic
 
 using StaticArrays, LinearAlgebra, PrecompileTools
-using Latexify, LaTeXStrings
+import LaTeXStrings
 import Random: AbstractRNG, default_rng, randn!
 
 export AbstractQuaternion
@@ -56,6 +56,7 @@ end
         @require FastDifferentiation="eb9bf01b-bf85-4b60-bf87-ee5de06c00be" include("../ext/QuaternionicFastDifferentiationExt.jl")
         @require ForwardDiff="f6369f11-7733-5829-9624-2563aa707210" include("../ext/QuaternionicForwardDiffExt.jl")
         @require Symbolics="0c5d862f-8b57-4792-8d23-62f2024744c7" include("../ext/QuaternionicSymbolicsExt.jl")
+        @require Latexify="23fbe1c1-3f47-55db-b15f-69d7ec21a316" include("../ext/QuaternionicLatexifyExt.jl")
     end
 
     # COV_EXCL_STOP

src/base.jl

@@ -89,29 +89,29 @@ function Base.show(io::IO, q::Rotor)
     print(io, ")")
 end
 
-function _pm_latex(x)
-    # Utility function to print a component of a quaternion in LaTeX
-    s = latexify(x, env=:raw, bracket=true)
-    if s[1] ∉ "+-"
-        s = "+" * s
-    end
-    if occursin(r"[+^/-]", s[2:end])
-        s = " " * s[1] * " " * "\\left(" * s[2:end] * "\\right)"
-    else
-        s = " " * s[1] * " " * s[2:end]
-    end
-    s
-end
-
-function Base.show(io::IO, ::MIME"text/latex", q::AbstractQuaternion)
-    s = latexstring(
-        q isa QuatVec ? "" : latexify(q[1], env=:raw, bracket=true),
-        _pm_latex(q[2]), "\\,\\mathbf{i}",
-        _pm_latex(q[3]), "\\,\\mathbf{j}",
-        _pm_latex(q[4]), "\\,\\mathbf{k}"
-    )
-    print(io, s)
-end
+# function _pm_latex(x)
+#     # Utility function to print a component of a quaternion in LaTeX
+#     s = "$x"
+#     if s[1] ∉ "+-"
+#         s = "+" * s
+#     end
+#     if occursin(r"[+^/-]", s[2:end])
+#         s = " " * s[1] * " " * "\\left(" * s[2:end] * "\\right)"
+#     else
+#         s = " " * s[1] * " " * s[2:end]
+#     end
+#     s
+# end
+
+# function Base.show(io::IO, ::MIME"text/latex", q::AbstractQuaternion)
+#     s = LaTeXStrings.latexstring(
+#         q isa QuatVec ? "" : "$(q[1])",
+#         _pm_latex(q[2]), "\\,\\mathbf{i}",
+#         _pm_latex(q[3]), "\\,\\mathbf{j}",
+#         _pm_latex(q[4]), "\\,\\mathbf{k}"
+#     )
+#     print(io, s)
+# end
 
 function Base.read(s::IO, QT::Type{Q}) where {T<:Number, Q<:AbstractQuaternion{T}}
     w = read(s,T)