COMPMID-1718: Extend DepthConvert to support Cast

Change-Id: I6ee2c0b670727fc808fa636c53ddfaec3a0036c9
diff --git a/tests/validation/reference/DepthConvertLayer.h b/tests/validation/reference/DepthConvertLayer.h
index 5d97c73..2113593 100644
--- a/tests/validation/reference/DepthConvertLayer.h
+++ b/tests/validation/reference/DepthConvertLayer.h
@@ -35,10 +35,10 @@
 {
 namespace reference
 {
-template < typename T1, typename T2, typename std::enable_if < std::is_integral<T1>::value &&std::is_integral<T2>::value &&!std::is_same<T1, T2>::value, int >::type = 0 >
+template < typename T1, typename T2, typename std::enable_if < std::is_integral<T1>::value &&!std::is_same<T1, T2>::value, int >::type = 0 >
 SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
 
-template < typename T1, typename T2, typename std::enable_if < is_floating_point<T1>::value &&is_floating_point<T2>::value &&!std::is_same<T1, T2>::value, int >::type = 0 >
+template < typename T1, typename T2, typename std::enable_if < is_floating_point<T1>::value &&!std::is_same<T1, T2>::value, int >::type = 0 >
 SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
 } // namespace reference
 } // namespace validation