Index: trunk/psLib/src/dataManip/psMinimize.h
===================================================================
--- trunk/psLib/src/dataManip/psMinimize.h	(revision 1629)
+++ trunk/psLib/src/dataManip/psMinimize.h	(revision 1719)
@@ -105,6 +105,6 @@
 typedef struct
 {
-    const int maxIter;   ///< Convergence limit
-    const float tol;   ///< Error Tolerance
+    int maxIter;   ///< Convergence limit
+    float tol;    ///< Error Tolerance
     float value;   ///< Value of function at minimum
     int iter;    ///< Number of iterations required
@@ -138,6 +138,14 @@
 bool psMinimize1DFunc(psMinimization *min,
                       psVector *params,
+                      int dim,
                       const psArray *coords,
                       psMinimizePowellFunc func);
+
+float psLineMin(psMinimization *min,
+                psVector *params,
+                psVector *line,
+                const psVector *paramMask,
+                const psArray *coords,
+                psMinimizePowellFunc func);