Fix fill() for FP data type in fixtures - Part 2

Resolves: COMPMID-4056

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: I6623eb9c0e66e52af4e0e9fb386031f4a09125b7
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4722
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/fixtures/ElementWiseUnaryFixture.h b/tests/validation/fixtures/ElementWiseUnaryFixture.h
index f414daf..f8e0dfa 100644
--- a/tests/validation/fixtures/ElementWiseUnaryFixture.h
+++ b/tests/validation/fixtures/ElementWiseUnaryFixture.h
@@ -55,17 +55,20 @@
     template <typename U>
     void fill(U &&tensor, int i, DataType data_type)
     {
+        using FloatType             = typename std::conditional < std::is_same<T, half>::value || std::is_floating_point<T>::value, T, float >::type;
+        using FloatDistributionType = typename std::conditional<std::is_same<T, half>::value, arm_compute::utils::uniform_real_distribution_fp16, std::uniform_real_distribution<FloatType>>::type;
+
         switch(_op)
         {
             case ElementWiseUnary::EXP:
             {
-                std::uniform_real_distribution<> distribution(-1.0f, 1.0f);
+                FloatDistributionType distribution{ FloatType(-1.0f), FloatType(1.0f) };
                 library->fill(tensor, distribution, i);
                 break;
             }
             case ElementWiseUnary::RSQRT:
             {
-                std::uniform_real_distribution<> distribution(1.0f, 2.0f);
+                FloatDistributionType distribution{ FloatType(1.0f), FloatType(2.0f) };
                 library->fill(tensor, distribution, i);
                 break;
             }
@@ -82,7 +85,7 @@
                     }
                     case DataType::F32:
                     {
-                        std::uniform_real_distribution<float> distribution(-2.0f, 2.0f);
+                        FloatDistributionType distribution{ FloatType(-2.0f), FloatType(2.0f) };
                         library->fill(tensor, distribution, i);
                         break;
                     }
@@ -99,19 +102,19 @@
             }
             case ElementWiseUnary::LOG:
             {
-                std::uniform_real_distribution<> distribution(0.0000001f, 100.0f);
+                FloatDistributionType distribution{ FloatType(0.0000001f), FloatType(100.0f) };
                 library->fill(tensor, distribution, i);
                 break;
             }
             case ElementWiseUnary::SIN:
             {
-                std::uniform_real_distribution<> distribution(-100.00f, 100.00f);
+                FloatDistributionType distribution{ FloatType(-100.00f), FloatType(100.00f) };
                 library->fill(tensor, distribution, i);
                 break;
             }
             case ElementWiseUnary::ROUND:
             {
-                std::uniform_real_distribution<> distribution(100.0f, -100.0f);
+                FloatDistributionType distribution{ FloatType(100.0f), FloatType(-100.0f) };
                 library->fill(tensor, distribution, i);
                 break;
             }