Convert maxintfloat tests to use ===

Author: angusmoore

test/floatfuncs.jl

@@ -14,15 +14,15 @@ end
 
 # maxintfloat
 
-@test maxintfloat(Float16) == Float16(2048f0)
+@test maxintfloat(Float16) === Float16(2048f0)
 for elty in (Float16,Float32,Float64)
-    @test maxintfloat(rand(elty)) == maxintfloat(elty)
+    @test maxintfloat(rand(elty)) === maxintfloat(elty)
 end
-@test maxintfloat() == maxintfloat(Float64)
-@test maxintfloat(Float64, Int32) == 2147483647.0
-@test maxintfloat(Float32, Int32) == maxintfloat(Float32)
-@test maxintfloat(Float64, Int16) == 32767.0
-@test maxintfloat(Float64, Int64) == maxintfloat(Float64)
+@test maxintfloat() === maxintfloat(Float64)
+@test maxintfloat(Float64, Int32) === 2147483647.0
+@test maxintfloat(Float32, Int32) === maxintfloat(Float32)
+@test maxintfloat(Float64, Int16) === 32767.0
+@test maxintfloat(Float64, Int64) === maxintfloat(Float64)
 
 # isinteger
 for elty in (Float16,Float32,Float64)