remove unneeded similar

Author: ogauthe

src/fusiontensor/base_interface.jl

@@ -82,7 +82,6 @@ end
 
 Base.permutedims(ft::FusionTensor, args...) = fusiontensor_permutedims(ft, args...)
 
-Base.similar(ft::FusionTensor) = similar(ft, eltype(ft))
 function Base.similar(ft::FusionTensor, T::Type)
   # reuse trees_block_mapping
 

test/basics/test_basics.jl

@@ -91,6 +91,12 @@ include("setup.jl")
   @test eltype(ft5) == ComplexF64
   @test checkaxes(codomain_axes(ft5), (g1, g1))
   @test checkaxes(domain_axes(ft5), (g2,))
+
+  ft5 = similar(ft1, ComplexF32, tuplemortar(((g1, g1), (g2,))))
+  @test isnothing(check_sanity(ft5))
+  @test eltype(ft5) == ComplexF64
+  @test checkaxes(codomain_axes(ft5), (g1, g1))
+  @test checkaxes(domain_axes(ft5), (g2,))
 end
 
 @testset "More than 2 axes" begin