Index: trunk/psphot/src/psModulesUtils.c
===================================================================
--- trunk/psphot/src/psModulesUtils.c	(revision 5350)
+++ trunk/psphot/src/psModulesUtils.c	(revision 5772)
@@ -101,2 +101,17 @@
     return true;
 }
+
+pmModel *pmModelCopy (pmModel *model) {
+
+    pmModel *new = pmModelAlloc (model->type);
+    
+    new->chisq = model->chisq;
+    new->nIter = model->nIter;
+
+    for (int i = 0; i < new->params->n; i++) {
+        new->params->data.F32[i]  = model->params->data.F32[i];
+        new->dparams->data.F32[i] = model->dparams->data.F32[i];
+    }
+    
+    return (new);
+}