Rename dim2d to shape2d

src/kernels/convolution.cu

@@ -9,13 +9,13 @@ __global__ void Kernels::convolution(
     const float* __restrict__ d_kernel,
     const float* __restrict__ d_bias,
     float* __restrict__ d_output,
-    const dim2d inputSize,
+    const shape2d inputSize,
     const int   nChannels,
-    const dim2d paddingSize,
-    const dim2d kernelSize,
-    const dim2d stride,
+    const shape2d paddingSize,
+    const shape2d kernelSize,
+    const shape2d stride,
     const int   nFilters,
-    const dim2d outputSize
+    const shape2d outputSize
 ) {
     int j = blockDim.x * blockIdx.x + threadIdx.x;
     int i = blockDim.y * blockIdx.y + threadIdx.y;