From bdefedc81a5ae44448f1d2d92ae42bb3230308f5 Mon Sep 17 00:00:00 2001
From: Michael Abbott <32575566+mcabbott@users.noreply.github.com>
Date: Sun, 3 Jul 2022 11:03:20 -0600
Subject: [PATCH 1/2] rm adjoint + transpose adjoint

---
 src/lib/array.jl | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/src/lib/array.jl b/src/lib/array.jl
index 0eef0c64a..305c46832 100644
--- a/src/lib/array.jl
+++ b/src/lib/array.jl
@@ -337,34 +337,6 @@ end
 # LinearAlgebra
 # =============
 
-@adjoint function transpose(x)
-  back(Δ) = (transpose(Δ),)
-  back(Δ::NamedTuple{(:parent,)}) = (Δ.parent,)
-  return transpose(x), back
-end
-
-@adjoint function LinearAlgebra.Transpose(x)
-  back(Δ) = (LinearAlgebra.Transpose(Δ),)
-  back(Δ::NamedTuple{(:parent,)}) = (Δ.parent,)
-  return LinearAlgebra.Transpose(x), back
-end
-
-
-@adjoint function Base.adjoint(x)
-  back(Δ) = (Δ',)
-  back(Δ::NamedTuple{(:parent,)}) = (Δ.parent,)
-  return x', back
-end
-
-@adjoint function LinearAlgebra.Adjoint(x)
-  back(Δ) = (LinearAlgebra.Adjoint(Δ),)
-  back(Δ::NamedTuple{(:parent,)}) = (Δ.parent,)
-  return LinearAlgebra.Adjoint(x), back
-end
-
-@adjoint parent(x::LinearAlgebra.Adjoint) = parent(x), ȳ -> (LinearAlgebra.Adjoint(ȳ),)
-@adjoint parent(x::LinearAlgebra.Transpose) = parent(x), ȳ -> (LinearAlgebra.Transpose(ȳ),)
-
 function _kron(mat1::AbstractMatrix,mat2::AbstractMatrix)
     m1, n1 = size(mat1)
     mat1_rsh = reshape(mat1,(1,m1,1,n1))

From 26ae24b9cb104428d7e69e4717810a6917dc15e6 Mon Sep 17 00:00:00 2001
From: Michael Abbott <32575566+mcabbott@users.noreply.github.com>
Date: Sun, 3 Jul 2022 11:37:06 -0600
Subject: [PATCH 2/2] restore parent adjoints

---
 src/lib/array.jl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib/array.jl b/src/lib/array.jl
index 305c46832..e4079eb89 100644
--- a/src/lib/array.jl
+++ b/src/lib/array.jl
@@ -337,6 +337,9 @@ end
 # LinearAlgebra
 # =============
 
+@adjoint parent(x::LinearAlgebra.Adjoint) = parent(x), ȳ -> (LinearAlgebra.Adjoint(ȳ),)
+@adjoint parent(x::LinearAlgebra.Transpose) = parent(x), ȳ -> (LinearAlgebra.Transpose(ȳ),)    
+
 function _kron(mat1::AbstractMatrix,mat2::AbstractMatrix)
     m1, n1 = size(mat1)
     mat1_rsh = reshape(mat1,(1,m1,1,n1))