Index: trunk/pswarp/src/pswarpMapGrid.c
===================================================================
--- trunk/pswarp/src/pswarpMapGrid.c	(revision 21323)
+++ trunk/pswarp/src/pswarpMapGrid.c	(revision 23487)
@@ -43,9 +43,9 @@
     // measure the map for the center of each superpixel
     for (ni = 0, i = xMin; ni < nXpts; i += nXpix, ni++) {
-	for (nj = 0, j = yMin; nj < nYpts; j += nYpix, nj++) {
-	    pswarpMapSetLocalModel (grid->maps[ni][nj], dest, src, i, j);
-	}
+        for (nj = 0, j = yMin; nj < nYpts; j += nYpix, nj++) {
+            pswarpMapSetLocalModel (grid->maps[ni][nj], dest, src, i, j);
+        }
     }
-	    
+
     grid->nXpix = nXpix;
     grid->nYpix = nYpix;
@@ -112,15 +112,15 @@
 
     for (int i = 0; i < grid->nXpts - 1; i++) {
-	for (int j = 0; j < grid->nYpts - 1; j++) {
-
-	    // measure the output coordinates for the next grid position using the current grid map
-	    // compare with the coordinates measured using the next grid map
-	    pswarpMapApply (&xRaw, &yRaw, grid->maps[i][j], grid->maps[i][j]->xo + grid->nXpix, grid->maps[i][j]->yo);
-	    pswarpMapApply (&xRef, &yRef, grid->maps[i+1][j], grid->maps[i][j]->xo + grid->nXpix, grid->maps[i][j]->yo);
-
-	    double posError = hypot (xRaw-xRef, yRaw-yRef);
-	    maxError = PS_MAX (maxError, posError);
-	}
-    }	
+        for (int j = 0; j < grid->nYpts - 1; j++) {
+
+            // measure the output coordinates for the next grid position using the current grid map
+            // compare with the coordinates measured using the next grid map
+            pswarpMapApply (&xRaw, &yRaw, grid->maps[i][j], grid->maps[i][j]->xo + grid->nXpix, grid->maps[i][j]->yo);
+            pswarpMapApply (&xRef, &yRef, grid->maps[i+1][j], grid->maps[i][j]->xo + grid->nXpix, grid->maps[i][j]->yo);
+
+            double posError = hypot (xRaw-xRef, yRaw-yRef);
+            maxError = PS_MAX (maxError, posError);
+        }
+    }
     return maxError;
 }
@@ -176,5 +176,5 @@
     psPlaneTransformApply (FP, fpaDest->fromTPA, TP);
     psPlaneTransformApply (V00, chipDest->fromFPA, FP);
-    
+
     /** V(1,0) position */
     offset->x = ix + 1;
@@ -186,5 +186,5 @@
     psPlaneTransformApply (FP, fpaDest->fromTPA, TP);
     psPlaneTransformApply (V10, chipDest->fromFPA, FP);
-    
+
     /** V(0,1) position */
     offset->x = ix;
@@ -204,5 +204,5 @@
     map->Yy = V01->y - V00->y;
     map->Yo = V00->y - map->Yx*ix - map->Yy*iy;
- 
+
     map->xo = ix;
     map->yo = iy;
@@ -224,5 +224,5 @@
 }
 
-pswarpMap *pswarpMapAlloc () {
+pswarpMap *pswarpMapAlloc(void) {
 
   pswarpMap *map = (pswarpMap *) psAlloc (sizeof(pswarpMap));
@@ -238,8 +238,8 @@
 
     for (int i = 0; i < grid->nXpts; i++) {
-	for (int j = 0; j < grid->nYpts; j++) {
-	    psFree (grid->maps[i][j]);
-	}
-	psFree (grid->maps[i]);
+        for (int j = 0; j < grid->nYpts; j++) {
+            psFree (grid->maps[i][j]);
+        }
+        psFree (grid->maps[i]);
     }
     psFree (grid->maps);
@@ -256,5 +256,5 @@
       grid->maps[i] = psAlloc (nYpts*sizeof(void *));
       for (int j = 0; j < nYpts; j++) {
-	  grid->maps[i][j] = pswarpMapAlloc();
+          grid->maps[i][j] = pswarpMapAlloc();
       }
   }
@@ -264,5 +264,5 @@
   grid->nXpix = 0;
   grid->nYpix = 0;
-  
+
   return grid;
 }