Index: trunk/psLib/src/math/psPolynomial.c
===================================================================
--- trunk/psLib/src/math/psPolynomial.c	(revision 5294)
+++ trunk/psLib/src/math/psPolynomial.c	(revision 5542)
@@ -7,6 +7,6 @@
 *  polynomials.  It also contains a Gaussian functions.
 *
-*  @version $Revision: 1.130 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2005-10-12 21:02:20 $
+*  @version $Revision: 1.131 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2005-11-18 19:39:29 $
 *
 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -644,6 +644,6 @@
                                      psPolynomialType type)
 {
-    PS_ASSERT_INT_POSITIVE(nX, NULL);
-    PS_ASSERT_INT_POSITIVE(nY, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nX, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nY, NULL);
 
     unsigned int x = 0;
@@ -682,7 +682,7 @@
                                      psPolynomialType type)
 {
-    PS_ASSERT_INT_POSITIVE(nX, NULL);
-    PS_ASSERT_INT_POSITIVE(nY, NULL);
-    PS_ASSERT_INT_POSITIVE(nZ, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nX, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nY, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nZ, NULL);
 
     unsigned int x = 0;
@@ -731,8 +731,8 @@
                                      psPolynomialType type)
 {
-    PS_ASSERT_INT_POSITIVE(nX, NULL);
-    PS_ASSERT_INT_POSITIVE(nY, NULL);
-    PS_ASSERT_INT_POSITIVE(nZ, NULL);
-    PS_ASSERT_INT_POSITIVE(nT, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nX, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nY, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nZ, NULL);
+    PS_ASSERT_INT_NONNEGATIVE(nT, NULL);
 
     unsigned int x = 0;
