Index: trunk/psLib/test/image/tst_psImageInterpolate.c
===================================================================
--- trunk/psLib/test/image/tst_psImageInterpolate.c	(revision 2753)
+++ trunk/psLib/test/image/tst_psImageInterpolate.c	(revision 2758)
@@ -5,7 +5,7 @@
  * @author Eric Van Alst, MHPCC
  *
- * @version $Revision: 1.2 $
+ * @version $Revision: 1.3 $
  *          $Name: not supported by cvs2svn $
- * @date $Date: 2004-12-17 22:33:21 $
+ * @date $Date: 2004-12-18 02:32:53 $
  *
  * Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -27,4 +27,5 @@
 #define CHECK_INTERP_VALUE(img,x,y,mask,maskval,exposed,TYPE,expected) \
 val = (psF32)psImagePixelInterpolate(img,x,y,mask,maskval,exposed,PS_INTERPOLATE_##TYPE); \
+printf("returned = %.2f    expected = %.2f\n",val,expected); \
 if(val != expected) { \
     psError(PS_ERR_UNKNOWN,true,"Return value is not as expected."); \
@@ -41,8 +42,11 @@
 static psS32 testInterpolateError(void);
 static psS32 testInterpolateMaskFlatBilinear(void);
+static psS32 testInterpolate1D(void);
+
 testDescription tests[] = {
                               {testInterpolateFlatBilinear,999,"psImagePixelInterpolate",0,false},
                               {testInterpolateError,999,"psImagePixelInterpolate",0,false},
                               {testInterpolateMaskFlatBilinear,999,"psImagePixelInterpolate",0,false},
+                              {testInterpolate1D,999,"psImagePixelInterpolate",0,false},
                               {NULL}
                           };
@@ -263,2 +267,16 @@
 }
 
+// Perform interpolation for a 1D image
+psS32 testInterpolate1D(void)
+{
+    psImage* img1 = NULL;
+    psF32 val = 0;
+
+    GENIMAGE(img1,10,1,F32,row+col)
+    CHECK_INTERP_VALUE(img1,4.0,0.0,NULL,0,100.0,BILINEAR,3.5)
+
+    psFree(img1);
+
+    return 0;
+}
+