Index: /trunk/psLib/src/dataManip/psFunctions.c
===================================================================
--- /trunk/psLib/src/dataManip/psFunctions.c	(revision 3708)
+++ /trunk/psLib/src/dataManip/psFunctions.c	(revision 3709)
@@ -7,6 +7,6 @@
  *  polynomials.  It also contains a Gaussian functions.
  *
- *  @version $Revision: 1.96 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2005-04-07 20:27:41 $
+ *  @version $Revision: 1.97 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-04-19 00:34:04 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -1042,5 +1042,5 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(n, NULL);
+    PS_INT_CHECK_POSITIVE(n, NULL);
 
     psS32 i = 0;
@@ -1067,6 +1067,6 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
 
     psS32 x = 0;
@@ -1103,7 +1103,7 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 x = 0;
@@ -1149,8 +1149,8 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nW, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nW, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 w = 0;
@@ -1404,5 +1404,5 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(n, NULL);
+    PS_INT_CHECK_POSITIVE(n, NULL);
 
     psS32 i = 0;
@@ -1429,6 +1429,6 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
 
     psS32 x = 0;
@@ -1465,7 +1465,7 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 x = 0;
@@ -1511,8 +1511,8 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nW, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nW, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 w = 0;
Index: /trunk/psLib/src/math/psPolynomial.c
===================================================================
--- /trunk/psLib/src/math/psPolynomial.c	(revision 3708)
+++ /trunk/psLib/src/math/psPolynomial.c	(revision 3709)
@@ -7,6 +7,6 @@
  *  polynomials.  It also contains a Gaussian functions.
  *
- *  @version $Revision: 1.96 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2005-04-07 20:27:41 $
+ *  @version $Revision: 1.97 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-04-19 00:34:04 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -1042,5 +1042,5 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(n, NULL);
+    PS_INT_CHECK_POSITIVE(n, NULL);
 
     psS32 i = 0;
@@ -1067,6 +1067,6 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
 
     psS32 x = 0;
@@ -1103,7 +1103,7 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 x = 0;
@@ -1149,8 +1149,8 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nW, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nW, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 w = 0;
@@ -1404,5 +1404,5 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(n, NULL);
+    PS_INT_CHECK_POSITIVE(n, NULL);
 
     psS32 i = 0;
@@ -1429,6 +1429,6 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
 
     psS32 x = 0;
@@ -1465,7 +1465,7 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 x = 0;
@@ -1511,8 +1511,8 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nW, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nW, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 w = 0;
Index: /trunk/psLib/src/math/psSpline.c
===================================================================
--- /trunk/psLib/src/math/psSpline.c	(revision 3708)
+++ /trunk/psLib/src/math/psSpline.c	(revision 3709)
@@ -7,6 +7,6 @@
  *  polynomials.  It also contains a Gaussian functions.
  *
- *  @version $Revision: 1.96 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2005-04-07 20:27:41 $
+ *  @version $Revision: 1.97 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-04-19 00:34:04 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -1042,5 +1042,5 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(n, NULL);
+    PS_INT_CHECK_POSITIVE(n, NULL);
 
     psS32 i = 0;
@@ -1067,6 +1067,6 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
 
     psS32 x = 0;
@@ -1103,7 +1103,7 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 x = 0;
@@ -1149,8 +1149,8 @@
                                     psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nW, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nW, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 w = 0;
@@ -1404,5 +1404,5 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(n, NULL);
+    PS_INT_CHECK_POSITIVE(n, NULL);
 
     psS32 i = 0;
@@ -1429,6 +1429,6 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
 
     psS32 x = 0;
@@ -1465,7 +1465,7 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 x = 0;
@@ -1511,8 +1511,8 @@
                                       psPolynomialType type)
 {
-    PS_INT_CHECK_NON_NEGATIVE(nW, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nX, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nY, NULL);
-    PS_INT_CHECK_NON_NEGATIVE(nZ, NULL);
+    PS_INT_CHECK_POSITIVE(nW, NULL);
+    PS_INT_CHECK_POSITIVE(nX, NULL);
+    PS_INT_CHECK_POSITIVE(nY, NULL);
+    PS_INT_CHECK_POSITIVE(nZ, NULL);
 
     psS32 w = 0;