Add tests to ensure that the similarity function used by SignALSH and MIPSHash is inner_prod.

Author: kernelmethod

test/hashes/test_mips_hash.jl

@@ -16,6 +16,7 @@ Tests
 
         @test n_hashes(hashfn) == 1
         @test hashtype(hashfn) == Vector{Int32}
+        @test similarity(hashfn) == inner_prod
         @test isa(hashfn, MIPSHash{Float32})    # Default dtype should be Float32
         @test isa(hashfn, LSH.AsymmetricLSHFunction)
 

test/hashes/test_sign_alsh.jl

@@ -14,6 +14,7 @@ Tests
         @test isa(hashfn, SignALSH{Float32})
         @test isa(hashfn, LSH.AsymmetricLSHFunction)
         @test hashtype(hashfn) == BitArray{1}
+        @test similarity(hashfn) == inner_prod
 
         hashfn = SignALSH(32; maxnorm=1)
         @test n_hashes(hashfn) == 32