Changeset 13349

Timestamp:

May 11, 2007, 4:52:27 AM (19 years ago)

Author:

rhl

Message:

stdev can be NaN where we subtracted residuals, so deal with threshold being NaN

File:

• trunk/psphot/src/pmFootprint.c (modified) (1 diff)

trunk/psphot/src/pmFootprint.c

@@ -1033 +1033 @@
         const float stdev = sqrt(subWt->data.F32[y][x]);
         float threshold = subImg->data.F32[y][x] - nsigma_delta*stdev;
-        if (threshold < min_threshold) {
+        if (isnan(threshold) || threshold < min_threshold) {
 #if 1                                   // min_threshold is assumed to be below the detection threshold,
                                         // so all the peaks are pmFootprint, and this isn't the brightest