Index: trunk/psModules/src/objects/pmPCMdata.c
===================================================================
--- trunk/psModules/src/objects/pmPCMdata.c	(revision 32347)
+++ trunk/psModules/src/objects/pmPCMdata.c	(revision 32725)
@@ -57,4 +57,5 @@
     psFree (pcm->psfFFT);
     psFree (pcm->constraint);
+    psFree (pcm->smdata); // pre-allocated data for psImageSmooth_PreAlloc
     return;
 }
@@ -284,4 +285,8 @@
     pcm->sigma = 0.5 * (FWHM_MAJOR + FWHM_MINOR) / 2.35;
     pcm->nsigma = 2.0;
+
+    pcm->smdata = psImageSmooth_PreAlloc_DataAlloc (source->pixels, pcm->sigma, pcm->nsigma);
+# else
+    pcm->smdata = NULL;
 # endif
 
@@ -393,4 +398,6 @@
 	    pcm->dmodelsConvFlux->data[n] = psImageCopy (pcm->dmodelsConvFlux->data[n], source->pixels, PS_TYPE_F32);
 	}
+	psFree(pcm->smdata);
+	pcm->smdata = psImageSmooth_PreAlloc_DataAlloc (source->pixels, pcm->sigma, pcm->nsigma);
     }