Index: /tags/ipp-20120802/psLib/src/imageops/psImageInterpolate.c
===================================================================
--- /tags/ipp-20120802/psLib/src/imageops/psImageInterpolate.c	(revision 34365)
+++ /tags/ipp-20120802/psLib/src/imageops/psImageInterpolate.c	(revision 34366)
@@ -186,5 +186,5 @@
                                        )
 {
-    psAssert(frac >= 0.0 && frac < 1.0, "Pixel fraction is %f", frac);
+    psAssert(frac >= 0.0 && frac <= 1.0, "Pixel fraction is %f", frac);
     switch (mode) {
       case PS_INTERPOLATE_FLAT: