Index: /branches/eam_branch_20071023/psModules/src/objects/pmPSF.c
===================================================================
--- /branches/eam_branch_20071023/psModules/src/objects/pmPSF.c	(revision 15489)
+++ /branches/eam_branch_20071023/psModules/src/objects/pmPSF.c	(revision 15490)
@@ -6,6 +6,6 @@
  *  @author EAM, IfA
  *
- *  @version $Revision: 1.32.2.2 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2007-11-07 19:39:15 $
+ *  @version $Revision: 1.32.2.3 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2007-11-07 23:08:33 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -104,5 +104,6 @@
  pmPSFAlloc (type): allocate a pmPSF.
 
- NOTE: PSF model parameters which are not modeled on an image are set to NULL in psf->params.
+ NOTE: PSF model parameters which are not modeled on an image are set to NULL
+ in psf->params.
 
  These are normally:
@@ -115,4 +116,5 @@
 pmPSF *pmPSFAlloc (pmPSFOptions *options)
 {
+    PS_ASSERT_PTR_NON_NULL(options, NAN);
     int Nparams;
 
@@ -216,6 +218,4 @@
     return ( psMemGetDeallocator(ptr) == (psFreeFunc) pmPSFFree);
 }
-
-
 
 // the PSF models the \sigma_{xy} variation of the elliptical contour as a function of position in the image with a