Index: trunk/psLib/src/imageops/psImageStats.c
===================================================================
--- trunk/psLib/src/imageops/psImageStats.c	(revision 2204)
+++ trunk/psLib/src/imageops/psImageStats.c	(revision 2206)
@@ -9,6 +9,6 @@
 *  @author GLG, MHPCC
 *
-*  @version $Revision: 1.44 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2004-10-27 00:57:31 $
+*  @version $Revision: 1.45 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2004-10-27 01:15:47 $
 *
 *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -101,5 +101,5 @@
     NOTE: We assume that the psHistogram structure out has already been
     allocated and initialized.
-    NOTE: verify that image/mask have the, correct types and  sizes.
+    NOTE: verify that image/mask have the correct types and sizes.
  *****************************************************************************/
 psHistogram* psImageHistogram(psHistogram* out,
@@ -112,6 +112,6 @@
 
     // NOTE: Verify this action.
-    PS_CHECK_NULL_PTR_RETURN_NULL(out);
-    PS_CHECK_NULL_PTR_RETURN_NULL(in);
+    PS_CHECK_NULL_PTR(out, NULL);
+    PS_CHECK_NULL_PTR(in, NULL);
 
     junkData = psAlloc(sizeof(psVector));
@@ -171,5 +171,5 @@
 p_psCalcScaleFactorsEval(n): The Chebyshev polynomials are defined over the
 interval [-1.0 : 1.0].  Images typically have sizes of 512x512 or more.  In
-order to use Chebyshev polynomials, we must scales the coordinates from
+order to use Chebyshev polynomials, we must scale the coordinates from
 0:512 to -1:1.  This routine takes as input an integer N and produces as
 output a vector of evenly spaced floating point values between -1.0:1.0.