--- ray/src/rt/pmapcontrib.h	2015/09/01 16:27:52	2.4
+++ ray/src/rt/pmapcontrib.h	2024/09/17 16:36:05	2.6
@@ -1,4 +1,5 @@
-/* RCSid $Id: pmapcontrib.h,v 2.4 2015/09/01 16:27:52 greg Exp $ */
+/* RCSid $Id: pmapcontrib.h,v 2.6 2024/09/17 16:36:05 greg Exp $ */
+
 /* 
    ==================================================================
    Photon map support for light source contributions
@@ -8,22 +9,31 @@
    supported by the Swiss National Science Foundation (SNSF, #147053)
    ==================================================================
    
+   $Id: pmapcontrib.h,v 2.6 2024/09/17 16:36:05 greg Exp $
 */
 
-#ifndef PMAP_CONTRIB_H
-   #define PMAP_CONTRIB_H
+#ifndef PMAPCONTRIB_H
+   #define PMAPCONTRIB_H
 
    #include "pmapdata.h"   
-   
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
    void initPmapContrib (LUTAB *srcContrib, unsigned numSrcContrib);
    /* Set up photon map contributions (interface to rcmain.c) */
 
-   void distribPhotonContrib (PhotonMap *pmap);
+   void distribPhotonContrib (PhotonMap *pmap, unsigned numProc);
    /* Emit photons from light sources with tagged contributions, and
     * build photon map */
 
    void photonContrib (PhotonMap *pmap, RAY *ray, COLOR irrad);
    /* Accumulate light source contributions in pmap -> srcMods from
     * photons, and return cumulative irradiance from density esimate */
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif