Index: /trunk/ippTools/src/camtool.c
===================================================================
--- /trunk/ippTools/src/camtool.c	(revision 13701)
+++ /trunk/ippTools/src/camtool.c	(revision 13702)
@@ -468,8 +468,8 @@
         return false;
     }
-    if (isnan(sigma_ra)) {
-        psError(PS_ERR_UNKNOWN, true, "-sigma_ra is required");
-        return false;
-    }
+    //if (isnan(sigma_ra)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-sigma_ra is required");
+    //  return false;
+    //}
 
     psF32 sigma_dec = psMetadataLookupF32(&status, config->args, "-sigma_dec");
@@ -478,8 +478,8 @@
         return false;
     }
-    if (isnan(sigma_dec)) {
-        psError(PS_ERR_UNKNOWN, true, "-sigma_dec is required");
-        return false;
-    }
+    //if (isnan(sigma_dec)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-sigma_dec is required");
+    //  return false;
+    //}
 
     psF32 zp_mean = psMetadataLookupF32(&status, config->args, "-zp_mean");
@@ -488,8 +488,8 @@
         return false;
     }
-    if (isnan(zp_mean)) {
-        psError(PS_ERR_UNKNOWN, true, "-zp_mean is required");
-        return false;
-    }
+    //if (isnan(zp_mean)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-zp_mean is required");
+    //  return false;
+    //}
 
     psF32 zp_stdev = psMetadataLookupF32(&status, config->args, "-zp_stdev");
@@ -498,8 +498,8 @@
         return false;
     }
-    if (isnan(zp_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-zp_stdev is required");
-        return false;
-    }
+    //if (isnan(zp_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-zp_stdev is required");
+    //  return false;
+    //}
 
     psF32 fwhm = psMetadataLookupF32(&status, config->args, "-fwhm");
@@ -508,8 +508,8 @@
         return false;
     }
-    if (isnan(fwhm)) {
-        psError(PS_ERR_UNKNOWN, true, "-fwhm is required");
-        return false;
-    }
+    //if (isnan(fwhm)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-fwhm is required");
+    //  return false;
+    //}
 
     psF32 fwhm_range = psMetadataLookupF32(&status, config->args, "-fwhm_range");
@@ -518,8 +518,8 @@
         return false;
     }
-    if (isnan(fwhm_range)) {
-        psError(PS_ERR_UNKNOWN, true, "-fwhm_range is required");
-        return false;
-    }
+    //if (isnan(fwhm_range)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-fwhm_range is required");
+    //  return false;
+    //}
 
     psS32 n_stars = psMetadataLookupS32(&status, config->args, "-n_stars");
Index: /trunk/ippTools/src/dettool.c
===================================================================
--- /trunk/ippTools/src/dettool.c	(revision 13701)
+++ /trunk/ippTools/src/dettool.c	(revision 13702)
@@ -2222,8 +2222,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -2231,8 +2231,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -2520,8 +2520,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -2529,8 +2529,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -3036,8 +3036,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -3045,8 +3045,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -3473,8 +3473,8 @@
         return false;
     }
-    if (isnan(norm)) {
-        psError(PS_ERR_UNKNOWN, true, "-norm is required");
-        return false;
-    }
+    //if (isnan(norm)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-norm is required");
+    //  return false;
+    //}
 
     // default values
@@ -3962,8 +3962,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -3971,8 +3971,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -4223,8 +4223,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -4232,8 +4232,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -4781,8 +4781,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -4790,8 +4790,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -5315,8 +5315,8 @@
         return false;
     }
-    if (isnan(det_id)) {
-        psError(PS_ERR_UNKNOWN, true, "det_id is required");
-        return false;
-    }
+    //if (isnan(det_id)) {
+    //  psError(PS_ERR_UNKNOWN, true, "det_id is required");
+    //  return false;
+    //}
     psS32 iteration = psMetadataLookupS32(&status, row, "iteration");
     if (!status) {
@@ -5348,8 +5348,8 @@
         return false;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return false;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return false;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -5357,8 +5357,8 @@
         return false;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return false;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return false;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {
@@ -5968,8 +5968,8 @@
         return NULL;
     }
-    if (isnan(bg)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg is required");
-        return NULL;
-    }
+    //if (isnan(bg)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg is required");
+    //  return NULL;
+    //}
     psF64 bg_stdev = psMetadataLookupF64(&status, config->args, "-bg_stdev");
     if (!status) {
@@ -5977,8 +5977,8 @@
         return NULL;
     }
-    if (isnan(bg_stdev)) {
-        psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
-        return NULL;
-    }
+    //if (isnan(bg_stdev)) {
+    //  psError(PS_ERR_UNKNOWN, true, "-bg_stdev is required");
+    //  return NULL;
+    //}
     psF64 bg_mean_stdev = psMetadataLookupF64(&status, config->args, "-bg_mean_stdev");
     if (!status) {