Initial activations implementation

test/utils/test_functions.cu

@@ -0,0 +1,16 @@
+#include "gtest/gtest.h"
+#include <cuda_runtime_api.h>
+#include <driver_types.h>
+#include <iostream>
+#include "functions.cuh"
+#include "test_cublas_fixture.cuh"
+
+class FunctionsTest : public CublasTestFixture {
+protected:
+    cudaError_t cudaStatus;
+    cublasStatus_t cublasStatus;
+};
+
+TEST_F(FunctionsTest, sigmoid) {
+
+}