Index: trunk/psphot/src/psphotMakeResiduals.c
===================================================================
--- trunk/psphot/src/psphotMakeResiduals.c	(revision 13900)
+++ trunk/psphot/src/psphotMakeResiduals.c	(revision 14941)
@@ -138,4 +138,5 @@
     psStats *fluxStatsDef = psStatsAlloc (statOption | PS_STAT_SAMPLE_STDEV);
 
+    // Use psF64 to minimize overflow problems?
     psImage *A = psImageAlloc(3, 3, PS_TYPE_F64); // Least-squares matrix
     psVector *B = psVectorAlloc(3, PS_TYPE_F64); // Least-squares vector