Prototypes

void LALHOUGHInitializeHD (LALStatus      *status,
                          HOUGHMapDeriv   *hd) /* the Hough map derivative */

void LALHOUGHInitializeHT (LALStatus      *status,
                           HOUGHMapTotal   *ht,     /* the total Hough map */
                           HOUGHPatchGrid  *patch) /* patch information */

void LALHOUGHAddPHMD2HD (LALStatus      *status,
                         HOUGHMapDeriv  *hd,  /* the Hough map derivative */
                         HOUGHphmd      *phmd) /* info from a partial map */

void LALHOUGHIntegrHD2HT (LALStatus       *status,
                          HOUGHMapTotal   *ht,     /* the total Hough map */
                          HOUGHMapDeriv   *hd) /* the Hough map derivative */