From 39ced589caf1b266532e85df2e11196badfa441e Mon Sep 17 00:00:00 2001
From: czgdp1807 <gdp.1807@gmail.com>
Date: Sat, 27 Mar 2021 20:50:59 +0530
Subject: [PATCH 1/2] Layer Addition started

---
 bnn/nn/activations.hpp           | 22 ++++++++++++++++++++++
 bnn/nn/layers.hpp                | 22 ++++++++++++++++++++++
 bnn/nn/layers_impl.hpp           |  0
 bnn/operations/operators.hpp     |  1 -
 bnn/templates/nn/activations.hpp |  0
 bnn/templates/nn/layers.hpp      |  0
 6 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 bnn/nn/activations.hpp
 create mode 100644 bnn/nn/layers.hpp
 create mode 100644 bnn/nn/layers_impl.hpp
 create mode 100644 bnn/templates/nn/activations.hpp
 create mode 100644 bnn/templates/nn/layers.hpp

diff --git a/bnn/nn/activations.hpp b/bnn/nn/activations.hpp
new file mode 100644
index 0000000..1a175f2
--- /dev/null
+++ b/bnn/nn/activations.hpp
@@ -0,0 +1,22 @@
+#ifndef BNN_BNN_NN_ACTIVATIONS_HPP
+#define BNN_BNN_NN_ACTIVATIONS_HPP
+
+#include <bnn/utils/utils.hpp>
+
+namespace bnn
+{
+    namespace nn
+    {
+
+        using namespace bnn::utils;
+
+        template <class data_type>
+        class Layer: public BNNBase
+        {
+
+        };
+
+    }
+}
+
+#endif
diff --git a/bnn/nn/layers.hpp b/bnn/nn/layers.hpp
new file mode 100644
index 0000000..d1f03fb
--- /dev/null
+++ b/bnn/nn/layers.hpp
@@ -0,0 +1,22 @@
+#ifndef BNN_BNN_NN_LAYERS_HPP
+#define BNN_BNN_NN_LAYERS_HPP
+
+#include <bnn/utils/utils.hpp>
+
+namespace bnn
+{
+    namespace nn
+    {
+
+        using namespace bnn::utils;
+
+        template <class data_type>
+        class Layer: public BNNBase
+        {
+
+        };
+
+    }
+}
+
+#endif
diff --git a/bnn/nn/layers_impl.hpp b/bnn/nn/layers_impl.hpp
new file mode 100644
index 0000000..e69de29
diff --git a/bnn/operations/operators.hpp b/bnn/operations/operators.hpp
index 41a6365..00860fb 100644
--- a/bnn/operations/operators.hpp
+++ b/bnn/operations/operators.hpp
@@ -2,7 +2,6 @@
 #define BNN_BNN_OPERATIONS_OPERATORS_HPP
 
 #include <string>
-#include <unordered_map>
 #include <bnn/core/tensor.hpp>
 #include <bnn/utils/utils.hpp>
 
diff --git a/bnn/templates/nn/activations.hpp b/bnn/templates/nn/activations.hpp
new file mode 100644
index 0000000..e69de29
diff --git a/bnn/templates/nn/layers.hpp b/bnn/templates/nn/layers.hpp
new file mode 100644
index 0000000..e69de29

From 0667dbfe303f7d0a1016acf70291fe9410626ac5 Mon Sep 17 00:00:00 2001
From: czgdp1807 <gdp.1807@gmail.com>
Date: Sun, 28 Mar 2021 21:33:31 +0530
Subject: [PATCH 2/2] Added interface for layers and activations

---
 bnn/nn/activations.hpp | 36 +++++++++++++++++++++++++++++++-
 bnn/nn/layers.hpp      | 47 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+), 1 deletion(-)

diff --git a/bnn/nn/activations.hpp b/bnn/nn/activations.hpp
index 1a175f2..32c05ec 100644
--- a/bnn/nn/activations.hpp
+++ b/bnn/nn/activations.hpp
@@ -2,6 +2,7 @@
 #define BNN_BNN_NN_ACTIVATIONS_HPP
 
 #include <bnn/utils/utils.hpp>
+#include <bnn/operations/operators.hpp>
 
 namespace bnn
 {
@@ -9,11 +10,44 @@ namespace bnn
     {
 
         using namespace bnn::utils;
+        using namespace bnn::operators;
 
         template <class data_type>
-        class Layer: public BNNBase
+        class Activation: public BNNBase
         {
 
+            protected:
+
+                std::string name;
+
+                Operator<data_type>* input;
+
+                Operator<data_type>* output;
+
+            public:
+
+                Activation
+                (std::string _name);
+
+                virtual
+                void
+                implementation
+                ();
+
+                virtual
+                TensorCPU<data_type>*
+                get_input_value
+                ();
+
+                virtual
+                TensorCPU<data_type>*
+                get_output_value
+                ();
+
+                virtual
+                ~Activation
+                ();
+
         };
 
     }
diff --git a/bnn/nn/layers.hpp b/bnn/nn/layers.hpp
index d1f03fb..6cb6ebf 100644
--- a/bnn/nn/layers.hpp
+++ b/bnn/nn/layers.hpp
@@ -2,6 +2,9 @@
 #define BNN_BNN_NN_LAYERS_HPP
 
 #include <bnn/utils/utils.hpp>
+#include <bnn/core/tensor.hpp>
+#include <bnn/operations/operators.hpp>
+#include <string>
 
 namespace bnn
 {
@@ -9,11 +12,55 @@ namespace bnn
     {
 
         using namespace bnn::utils;
+        using namespace bnn::core;
+        using namespace bnn::operators;
 
         template <class data_type>
         class Layer: public BNNBase
         {
 
+            protected:
+
+                std::string name;
+
+                Operator<data_type>* input;
+
+                Operator<data_type>* output;
+
+            public:
+
+                Layer
+                (std::string _name);
+
+                virtual
+                void
+                initialize_parameters
+                (void (*initializer)(Operator<data_type>* parameters));
+
+                virtual
+                void
+                implementation
+                ();
+
+                virtual
+                Operator<data_type>*
+                get_parameters
+                ();
+
+                virtual
+                TensorCPU<data_type>*
+                get_input_value
+                ();
+
+                virtual
+                TensorCPU<data_type>*
+                get_output_value
+                ();
+
+                virtual
+                ~Layer
+                ();
+
         };
 
     }