Revert "dispatch by mul"

This reverts commit c54949c.

Author: dkarrasch

src/diagonal.jl

@@ -330,19 +330,26 @@ function (*)(D::Diagonal, V::AbstractVector)
     return D.diag .* V
 end
 
-function mul(A::AdjOrTransAbsMat, D::Diagonal)
+function _diag_adj_mul(A::AdjOrTransAbsMat, D::Diagonal)
     adj = wrapperop(A)
     copy(adj(adj(D) * adj(A)))
 end
-function mul(A::AdjOrTransAbsMat{<:Number, <:StridedMatrix}, D::Diagonal{<:Number})
-    @invoke mul(A::AbstractMatrix, D::AbstractMatrix)
+function _diag_adj_mul(A::AdjOrTransAbsMat{<:Number, <:StridedMatrix}, D::Diagonal{<:Number})
+    @invoke *(A::AbstractMatrix, D::AbstractMatrix)
 end
-function mul(D::Diagonal, A::AdjOrTransAbsMat)
+function _diag_adj_mul(D::Diagonal, A::AdjOrTransAbsMat)
     adj = wrapperop(A)
     copy(adj(adj(A) * adj(D)))
 end
-function mul(D::Diagonal{<:Number}, A::AdjOrTransAbsMat{<:Number, <:StridedMatrix})
-    @invoke mul(D::AbstractMatrix, A::AbstractMatrix)
+function _diag_adj_mul(D::Diagonal{<:Number}, A::AdjOrTransAbsMat{<:Number, <:StridedMatrix})
+    @invoke *(D::AbstractMatrix, A::AbstractMatrix)
+end
+
+function (*)(A::AdjOrTransAbsMat, D::Diagonal)
+    _diag_adj_mul(A, D)
+end
+function (*)(D::Diagonal, A::AdjOrTransAbsMat)
+    _diag_adj_mul(D, A)
 end
 
 function rmul!(A::AbstractMatrix, D::Diagonal)