Add support float and complex<float> for not_equal

Author: vlad-perevezentsev

dpctl/tensor/libtensor/include/kernels/elementwise_functions/not_equal.hpp

@@ -62,7 +62,19 @@ template <typename argT1, typename argT2, typename resT> struct NotEqualFunctor
 
     resT operator()(const argT1 &in1, const argT2 &in2)
     {
-        return (in1 != in2);
+        if constexpr (std::is_same_v<argT1, std::complex<float>> &&
+                      std::is_same_v<argT2, float>)
+        {
+            return (std::real(in1) != in2 || std::imag(in1) != 0.0f);
+        }
+        else if constexpr (std::is_same_v<argT1, float> &&
+                           std::is_same_v<argT2, std::complex<float>>)
+        {
+            return (in1 != std::real(in2) || std::imag(in2) != 0.0f);
+        }
+        else {
+            return (in1 != in2);
+        }
     }
 
     template <int vec_sz>
@@ -146,6 +158,10 @@ template <typename T1, typename T2> struct NotEqualOutputType
                                         T2,
                                         std::complex<double>,
                                         bool>,
+        td_ns::
+            BinaryTypeMapResultEntry<T1, float, T2, std::complex<float>, bool>,
+        td_ns::
+            BinaryTypeMapResultEntry<T1, std::complex<float>, T2, float, bool>,
         td_ns::DefaultResultEntry<void>>::result_type;
 };