COMPMID-2269: Implement POW operator for NEON

Change-Id: I7135f665d89da3c24c9bbe00e991a64713a41d0e
Signed-off-by: Usama Arif <usama.arif@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1128
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 42 insertions, 29 deletions

diff --git a/tests/validation/reference/ElementwiseOperations.cpp b/tests/validation/reference/ElementwiseOperations.cpp
index 2ffb0faa75..82f42a0c21 100644
--- a/tests/validation/reference/ElementwiseOperations.cpp
+++ b/tests/validation/reference/ElementwiseOperations.cpp
@@ -43,38 +43,51 @@ T arithm_op(ArithmeticOperation op, T src1, T src2, ConvertPolicy convert_policy
 
     intermediate_type val;
 
-    if(op == ArithmeticOperation::ADD)
+    switch(op)
     {
-        val = static_cast<intermediate_type>(src1) + static_cast<intermediate_type>(src2);
-    }
-    else if(op == ArithmeticOperation::SUB)
-    {
-        val = static_cast<intermediate_type>(src1) - static_cast<intermediate_type>(src2);
-    }
-    else if(op == ArithmeticOperation::MIN)
-    {
-        val = std::min(static_cast<intermediate_type>(src1), static_cast<intermediate_type>(src2));
-    }
-    else if(op == ArithmeticOperation::MAX)
-    {
-        val = std::max(static_cast<intermediate_type>(src1), static_cast<intermediate_type>(src2));
-    }
-    else if(op == ArithmeticOperation::SQUARED_DIFF)
-    {
-        intermediate_type tmp = (static_cast<intermediate_type>(src1) - static_cast<intermediate_type>(src2));
-        val                   = tmp * tmp;
-    }
-    else if(op == ArithmeticOperation::DIV)
-    {
-        val = (static_cast<intermediate_type>(src1) / static_cast<intermediate_type>(src2));
-    }
-    else
-    {
-        ARM_COMPUTE_ERROR("Not handled");
+        case ArithmeticOperation::ADD:
+        {
+            val = static_cast<intermediate_type>(src1) + static_cast<intermediate_type>(src2);
+            break;
+        }
+        case ArithmeticOperation::SUB:
+        {
+            val = static_cast<intermediate_type>(src1) - static_cast<intermediate_type>(src2);
+            break;
+        }
+        case ArithmeticOperation::MIN:
+        {
+            val = std::min(static_cast<intermediate_type>(src1), static_cast<intermediate_type>(src2));
+            break;
+        }
+        case ArithmeticOperation::MAX:
+        {
+            val = std::max(static_cast<intermediate_type>(src1), static_cast<intermediate_type>(src2));
+            break;
+        }
+        case ArithmeticOperation::SQUARED_DIFF:
+        {
+            intermediate_type tmp = (static_cast<intermediate_type>(src1) - static_cast<intermediate_type>(src2));
+            val                   = tmp * tmp;
+            break;
+        }
+        case ArithmeticOperation::DIV:
+        {
+            val = (static_cast<intermediate_type>(src1) / static_cast<intermediate_type>(src2));
+            break;
+        }
+        case ArithmeticOperation::POWER:
+        {
+            val = std::pow(static_cast<intermediate_type>(src1), static_cast<intermediate_type>(src2));
+            break;
+        }
+        default:
+        {
+            ARM_COMPUTE_ERROR("Not handled");
+        }
     }
-
     T result;
-    if(op == ArithmeticOperation::ADD || op == ArithmeticOperation::SUB || op == ArithmeticOperation::DIV)
+    if(op == ArithmeticOperation::ADD || op == ArithmeticOperation::SUB || op == ArithmeticOperation::DIV || op == ArithmeticOperation::POWER)
     {
         result = (convert_policy == ConvertPolicy::SATURATE) ? saturate_cast<T>(val) : static_cast<T>(val);
     }