: gr_sync_block ("histo_sink_f", gr_make_io_signature (1, 1, sizeof (float)), gr_make_io_signature (0, 0, 0)),
d_msgq (msgq), d_num_bins(11), d_frame_size(1000), d_sample_count(0), d_bins(NULL), d_samps(NULL)
{
: gr_sync_block ("histo_sink_f", gr_make_io_signature (1, 1, sizeof (float)), gr_make_io_signature (0, 0, 0)),
d_msgq (msgq), d_num_bins(11), d_frame_size(1000), d_sample_count(0), d_bins(NULL), d_samps(NULL)
{