--- ray/src/common/bsdf.c	2014/03/24 04:00:45	2.48
+++ ray/src/common/bsdf.c	2015/08/01 23:27:04	2.51
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: bsdf.c,v 2.48 2014/03/24 04:00:45 greg Exp $";
+static const char RCSid[] = "$Id: bsdf.c,v 2.51 2015/08/01 23:27:04 greg Exp $";
 #endif
 /*
  *  bsdf.c
@@ -199,7 +199,7 @@ SDloadFile(SDData *sd, const char *fname)
 	}
 	wtl = ezxml_child(ezxml_child(fl, "Optical"), "Layer");
 	if (wtl == NULL) {
-		sprintf(SDerrorDetail, "BSDF \"%s\": no optical layers'",
+		sprintf(SDerrorDetail, "BSDF \"%s\": no optical layers",
 				sd->name);
 		ezxml_free(fl);
 		return SDEformat;
@@ -595,11 +595,12 @@ SDsizeBSDF(double *projSA, const FVECT v1, const RREAL
 		rdf = sd->rb;
 		tdf = (sd->tb != NULL) ? sd->tb : sd->tf;
 	}
-	if (v2 != NULL)			/* bidirectional? */
+	if (v2 != NULL) {		/* bidirectional? */
 		if (v1[2] > 0 ^ v2[2] > 0)
 			rdf = NULL;
 		else
 			tdf = NULL;
+	}
 	ec = SDEdata;			/* run through components */
 	for (i = (rdf==NULL) ? 0 : rdf->ncomp; i--; ) {
 		ec = (*rdf->comp[i].func->queryProjSA)(projSA, v1, v2,
@@ -763,8 +764,7 @@ SDsampBSDF(SDValue *sv, FVECT ioVec, double randX, int
 		cdarr[i] = (*rdf->comp[i].func->getCDist)(inVec, &rdf->comp[i]);
 		if (cdarr[i] == NULL)
 			cdarr[i] = &SDemptyCD;
-		else
-			sv->cieY += cdarr[i]->cTotal;
+		sv->cieY += cdarr[i]->cTotal;
 	}
 	if (sv->cieY <= 1e-6) {		/* anything to sample? */
 		sv->cieY = .0;