for ( ; (cpc = casereader_read (r) ); case_unref (cpc))
{
struct ccase *new_case;
const double cp = case_data_idx (cpc, CUTPOINT)->f;
for ( ; (cpc = casereader_read (r) ); case_unref (cpc))
{
struct ccase *new_case;
const double cp = case_data_idx (cpc, CUTPOINT)->f;