Add documentation comments

include/kernels/convolution.cuh

@@ -3,6 +3,16 @@
 
 namespace Kernels {
 
+/**
+ * @brief Kernel that pads the input matrix with zeros
+ * 
+ * @param d_input Device pointer to the input matrix (as vector)
+ * @param d_padded Device pointer to the padded matrix (as vector)
+ * @param w Width of the input matrix
+ * @param h Height of the input matrix
+ * @param n Number of input channels
+ * @param p Padding size
+ */
 __global__ void padding(
     const float* d_input,
     float*       d_padded,
@@ -12,6 +22,19 @@ __global__ void padding(
     int          p
 );
 
+/**
+ * @brief Convolution kernel
+ * 
+ * @param d_input Device pointer to the input matrix
+ * @param d_kernel Device pointer to the convolution kernel
+ * @param d_output Device pointer to the output matrix
+ * @param inputSize Width and height of the input matrix
+ * @param nChannels Number of channels in the input matrix
+ * @param kernelSize Width and height of the convolution kernel
+ * @param stride Convolution stride
+ * @param nFilters Number of output filters
+ * @param outputSize Width and height of the output matrix
+ */
 __global__ void convolution(
     const float* d_input,
     const float* d_kernel,