Index: trunk/psModules/src/imcombine/pmSubtraction.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtraction.h	(revision 19164)
+++ trunk/psModules/src/imcombine/pmSubtraction.h	(revision 19282)
@@ -6,6 +6,6 @@
  * @author GLG, MHPCC
  *
- * @version $Revision: 1.29 $ $Name: not supported by cvs2svn $
- * @date $Date: 2008-08-22 22:45:36 $
+ * @version $Revision: 1.30 $ $Name: not supported by cvs2svn $
+ * @date $Date: 2008-08-29 04:04:19 $
  * Copyright 2004-207 Institute for Astronomy, University of Hawaii
  */
@@ -126,4 +126,21 @@
     );
 
+/// Given pixel coordinates (x,y), generate a matrix where the elements (i,j) are x^i * y^j
+///
+/// Same as p_pmSubtractionPolynomial except that the normalisation is applied
+psImage *p_pmSubtractionPolynomialFromCoords(psImage *output, ///< Output matrix, or NULL
+                                             const pmSubtractionKernels *kernels, ///< Kernel parameters
+                                             int numCols, int numRows, ///< Size of image of interest
+                                             int x, int y ///< Position of interest
+    );
+
+/// Return the radius from the centre of the convolution kernel that distinguishes "bad" and "poor" pixels
+int p_pmSubtractionBadRadius(psKernel *preKernel, ///< Pre-calculated convolution kernel
+                             const pmSubtractionKernels *kernels, ///< Kernel parameters
+                             const psImage *polyValues, ///< Polynomial values
+                             bool wantDual, ///< Calculate for the dual kernel?
+                             float poorFrac ///< Fraction for "poor"
+    );
+
 /// @}
 #endif