Fix fill() for FP data type in fixtures - Part 1

Resolves: COMPMID-4050

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: I182548bf4b944c499a7134ac005b137877e61baf
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4700
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 8 insertions, 14 deletions

diff --git a/utils/Utils.h b/utils/Utils.h
index b10d18aca2..7eeeae5419 100644
--- a/utils/Utils.h
+++ b/utils/Utils.h
@@ -296,20 +296,15 @@ inline void unmap(GCTensor &tensor)
 */
 class uniform_real_distribution_fp16
 {
-    half                                   min{ 0.0f }, max{ 0.0f };
-    std::uniform_real_distribution<float>  neg{ min, -0.3f };
-    std::uniform_real_distribution<float>  pos{ 0.3f, max };
-    std::uniform_int_distribution<uint8_t> sign_picker{ 0, 1 };
-
 public:
     using result_type = half;
     /** Constructor
      *
-     * @param[in] a Minimum value of the distribution
-     * @param[in] b Maximum value of the distribution
+     * @param[in] min Minimum value of the distribution
+     * @param[in] max Maximum value of the distribution
      */
-    explicit uniform_real_distribution_fp16(half a = half(0.0), half b = half(1.0))
-        : min(a), max(b)
+    explicit uniform_real_distribution_fp16(half min = half(0.0), half max = half(1.0))
+        : dist(min, max)
     {
     }
 
@@ -319,12 +314,11 @@ public:
      */
     half operator()(std::mt19937 &gen)
     {
-        if(sign_picker(gen))
-        {
-            return (half)neg(gen);
-        }
-        return (half)pos(gen);
+        return half(dist(gen));
     }
+
+private:
+    std::uniform_real_distribution<float> dist;
 };
 
 /** Numpy data loader */