Update test/core/device/intrinsics/math.jl

Author: vchuravy

test/core/device/intrinsics/math.jl

@@ -114,6 +114,9 @@ using SpecialFunctions
     @testset "Float16 - $op" for op in (log,exp,exp2,exp10,log2,log10)
         all_float_16 = collect(reinterpret(Float16, pattern) for pattern in  UInt16(0):UInt16(1):typemax(UInt16))
         all_float_16 = filter(!isnan, all_float_16)
+        if op in (log, log2, log10)
+            all_float_16 = filter(>=(0), all_float_16)
+        end
         @test testf(x->map(op, x), all_float_16)
     end