Index: trunk/psLib/src/dataManip/psFunctions.c
===================================================================
--- trunk/psLib/src/dataManip/psFunctions.c	(revision 3096)
+++ trunk/psLib/src/dataManip/psFunctions.c	(revision 3097)
@@ -7,6 +7,6 @@
  *  polynomials.  It also contains a Gaussian functions.
  *
- *  @version $Revision: 1.84 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2005-01-26 20:41:04 $
+ *  @version $Revision: 1.85 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-01-26 20:47:41 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -1841,4 +1841,6 @@
  
 XXX: Ensure that domain[i+1] != domain[i]
+ 
+XXX: What should be the defualty type for knots be?  psF32 is assumed.
  *****************************************************************************/
 psSpline1D *psSpline1DAlloc(psS32 numSplines,
@@ -1884,4 +1886,5 @@
 
 /*****************************************************************************
+XXX: What should be the defualty type for knots be?  psF32 is assumed.
  *****************************************************************************/
 psSpline1D *psSpline1DAllocGeneric(const psVector *bounds,
@@ -2142,4 +2145,7 @@
 XXX: The spline eval functions require input and output to be F32.  however
      the spline fit functions require F32 and F64.
+ 
+XXX: This only works if spline0>knots if psF32.  Must add support for psU32 and
+psF64.
  *****************************************************************************/
 psF32 psSpline1DEval(
@@ -2150,4 +2156,5 @@
     PS_PTR_CHECK_NULL(spline, NAN);
     PS_INT_CHECK_NON_NEGATIVE(spline->n, NAN);
+    PS_VECTOR_CHECK_TYPE(spline->knots, PS_TYPE_F32, NAN);
 
     psS32 binNum;
@@ -2186,4 +2193,5 @@
     PS_VECTOR_CHECK_NULL(x, NULL);
     PS_VECTOR_CHECK_TYPE_F32_OR_F64(x, NULL);
+    PS_VECTOR_CHECK_TYPE(spline->knots, PS_TYPE_F32, NULL);
 
     psS32 i;