Index: trunk/psLib/src/math/psHistogram.c
===================================================================
--- trunk/psLib/src/math/psHistogram.c	(revision 17565)
+++ trunk/psLib/src/math/psHistogram.c	(revision 21183)
@@ -5,6 +5,6 @@
  *  @author GLG (MHPCC), EAM (IfA)
  *
- *  @version $Revision: 1.8 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-05-07 23:11:30 $
+ *  @version $Revision: 1.9 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2009-01-27 06:39:38 $
  *
  *  Copyright 2006 IfA, University of Hawaii
@@ -231,5 +231,5 @@
                                const psVector* errors,
                                const psVector* mask,
-                               psMaskType maskVal)
+                               psVectorMaskType maskVal)
 {
     psTrace("psLib.math", 3, "---- %s() begin  ----\n", __func__);
@@ -244,5 +244,5 @@
     if (mask) {
         PS_ASSERT_VECTORS_SIZE_EQUAL(values, mask, false);
-        PS_ASSERT_VECTOR_TYPE(mask, PS_TYPE_U8, false);
+        PS_ASSERT_VECTOR_TYPE(mask, PS_TYPE_VECTOR_MASK, false);
     }
     if (errors) {
@@ -274,5 +274,5 @@
     for (long i = 0; i < inF32->n; i++) {
         // Check if this pixel is masked, and if so, skip it.
-        if (!mask || (mask && (!(mask->data.U8[i] & maskVal)))) {
+        if (!mask || (mask && (!(mask->data.PS_TYPE_VECTOR_MASK_DATA[i] & maskVal)))) {
             if (inF32->data.F32[i] < out->bounds->data.F32[0]) {
                 // If this pixel is below minimum value, count it, then skip.