Changeset 7757 for trunk/ppImage/src/ppFocusFitFWHM.c

Timestamp:

Jun 29, 2006, 10:47:55 AM (20 years ago)

Author:

eugene

Message:

fixed up focus

File:

• trunk/ppImage/src/ppFocusFitFWHM.c (modified) (2 diffs)

trunk/ppImage/src/ppFocusFitFWHM.c

@@ -7 +7 @@
     psPolynomial1D *poly = psPolynomial1DAlloc (PS_POLYNOMIAL_ORD, 2);
 
-    psVectorFitPolynomial1D (poly, NULL, 0, fwhm, NULL, focus);
+    poly = psVectorFitPolynomial1D (poly, NULL, 0, fwhm, NULL, focus);
+    if (!poly) {
+        psError (PS_ERR_UNKNOWN, false, "failed to fit focus/fwhm trend; invalid image data?");
+        return false;
+    }
 
     if (poly->coeff[2] <= 0.0) {
@@ -19 +23 @@
     psLogMsg ("ppFocus", 3, "fwhm @ min: %f\n", psPolynomial1DEval (poly, minFocus));
     
+    psFree (poly);
     return true;
 }