Add dynamic tensor support to CpuElementwise

The kernels and operators for binary and unary operations
are now capable of being configured with dynamic shapes and
computing windows at run-time.

Additionally, changing arguments' names is done
for consistency.

Partially Implements: COMPMID-4127

Change-Id: I48e5038692db667dec7cb2b2906fe5683214fe19
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4973
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 22 insertions, 2 deletions

diff --git a/arm_compute/core/ITensorInfo.h b/arm_compute/core/ITensorInfo.h
index 9ddafce7c0..0171e31086 100644
--- a/arm_compute/core/ITensorInfo.h
+++ b/arm_compute/core/ITensorInfo.h
@@ -41,8 +41,24 @@ class ITensorInfo : public misc::ICloneable<ITensorInfo>
 {
 public:
     using TensorDimsState = Coordinates;
-
-public:
+    /** Get the value representing dynamic dimension state
+     *
+     * @return Value representing dynamic dimension state
+     *
+     */
+    static constexpr int32_t get_dynamic_state_value()
+    {
+        return _dynamic_dimension;
+    }
+    /** Get the value representing static dimension state
+     *
+     * @return Value representing static dimension state
+     *
+     */
+    static constexpr int32_t get_static_state_value()
+    {
+        return _static_dimension;
+    }
     /** Default virtual destructor */
     virtual ~ITensorInfo() = default;
     /** Set the data type to the specified value.
@@ -297,6 +313,10 @@ public:
 
         return std::pair<TensorShape, ValidRegion>(bc_shape, bc_valid_region);
     }
+
+private:
+    static constexpr int32_t _dynamic_dimension = -1;
+    static constexpr int32_t _static_dimension  = 0;
 };
 } // namespace arm_compute
 #endif /*ARM_COMPUTE_TENSORINFO_H */