Display Frequencies constructor

Author: jishnub

src/definitions.jl

@@ -462,13 +462,8 @@ Base.maximum(f::Frequencies{T}) where T = (f.n_nonnegative - ifelse(f.multiplier
 Base.minimum(f::Frequencies{T}) where T = (f.n_nonnegative - ifelse(f.multiplier >= zero(T), f.n, 1)) * f.multiplier
 Base.extrema(f::Frequencies) = (minimum(f), maximum(f))
 
-function Base.show(io::IO, f::Frequencies)
-    r1 = 0:f.n_nonnegative-1
-    r2 = -f.n + f.n_nonnegative:-1
-    print(io, "[", r1, ";")
-    !isempty(r2) && print(io, " ", r2)
-    print(io, "]*", step(f))
-    return nothing
+function show(io::IO, f::Frequencies)
+    print(io, Frequencies, "(", f.n_nonnegative, ", ", f.n, ", ", f.multiplier, ")")
 end
 
 """

test/runtests.jl

@@ -110,19 +110,10 @@ end
     end
 
     @testset "show" begin
-        for f in Any[fftfreq(6), fftfreq(7, 2), rfftfreq(5, 0.3), rfftfreq(4, 3)]
-            fnn = f.n_nonnegative
-            r1 = 0:fnn - 1
-            r2 = -length(f) + fnn:-1
-            v = [r1; r2] * step(f)
-            @test v ≈ f
-            s = repr(f)
-            if !isempty(r2) # fftfreq
-                @test s == "[$r1; $r2]*$(step(f))"
-            else # rfftfreq
-                @test s == "[$r1;]*$(step(f))"
-            end
-        end
+        @test repr(fftfreq(6)) == "Frequencies(3, 6, $(1/6))"
+        @test repr(fftfreq(7, 2)) == "Frequencies(4, 7, $(2/7))"
+        @test repr(rfftfreq(5, 0.3)) == "Frequencies(3, 3, $(0.3/5))"
+        @test repr(rfftfreq(4, 3)) == "Frequencies(3, 3, $(3/4))"
     end
 end