//# Word count needed to pack/unpack a bit vector // Given the width of a bit vector, and the width of a word, returns the count // of words needed to contain the bit vector, even if the last word will be // partially full. You must compute any pad bits externally using // [word_pad](./word_pad_function.html). // Pass the function values which, at elaboration time, are either constants // or expressions which evaluate to a constant. Then use the return value as an // integer for a localparam, genvar, etc... function integer word_count; input integer bit_vector_width; input integer word_width; integer word_count_raw; begin word_count_raw = bit_vector_width / word_width; word_count = (bit_vector_width % word_width == 0) ? word_count_raw : word_count_raw + 1; end endfunction