Changeset 21467 for trunk/psLib/src/imageops/psImageCovariance.c

Timestamp:

Feb 13, 2009, 11:52:19 AM (17 years ago)

Author:

Paul Price

Message:

Adding trivial case.

File:

• trunk/psLib/src/imageops/psImageCovariance.c (modified) (1 diff)

trunk/psLib/src/imageops/psImageCovariance.c

@@ -229 +229 @@
 
     float factor = psImageCovarianceFactor(covar); // Factor to transfer
+    if (factor == 1.0) {
+        // No work required
+        return true;
+    }
+
     psBinaryOp(variance, variance, "*", psScalarAlloc(factor, PS_TYPE_F32));
     psBinaryOp(covar->image, covar->image, "/", psScalarAlloc(factor, PS_TYPE_F32));