Only define gemm stype multiplcation methods for version prior to Julia 1.3

Author: andreasnoack

src/juliaBLAS.jl

@@ -84,6 +84,7 @@ end
 Base.@deprecate rankUpdate!(α::Real, A::StridedVecOrMat, C::Hermitian) rankUpdate!(C, A, α)
 Base.@deprecate rankUpdate!(α::Real, A::StridedVecOrMat, β::Real, C::Hermitian) rankUpdate!(C, A, α, β)
 
+if VERSION < v"1.3.0-alpha.115"
 # BLAS style mul!
 ## gemv
 mul!(y::StridedVector{T}, A::StridedMatrix{T}, x::StridedVector{T}, α::T, β::T) where {T<:BlasFloat} = gemv!('N', α, A, x, β, y)
@@ -156,6 +157,8 @@ mul!(A::Adjoint{T,LowerTriangular{T,S}}, B::StridedMatrix{T}, α::T) where {T<:B
 mul!(A::Adjoint{T,UnitUpperTriangular{T,S}}, B::StridedMatrix{T}, α::T) where {T<:BlasFloat,S} = trmm!('L', 'U', 'C', 'U', α, parent(A).data, B)
 mul!(A::Adjoint{T,UnitLowerTriangular{T,S}}, B::StridedMatrix{T}, α::T) where {T<:BlasFloat,S} = trmm!('L', 'L', 'C', 'U', α, parent(A).data, B)
 
+end # VERSION
+
 ### Generic fallbacks
 function lmul!(A::UpperTriangular{T,S}, B::StridedMatrix{T}, α::T) where {T<:Number,S}
     AA = A.data
@@ -260,4 +263,4 @@ function lmul!(A::Adjoint{T,UnitLowerTriangular{T,S}}, B::StridedMatrix{T}, α::
         end
     end
     return B
-end
+end