- added makeauxub to tasub

- fixes for MARS
- extended maximize to honour maxpts and the in360  flag
- added regression histmem driver

tasublib.h

@@ -124,6 +124,19 @@ double maCalcHorizontalCurvature(maCrystal data, double two_theta);
  */
 double maCalcK(maCrystal data, double two_theta);
 /*======================= reciprocal space =============================*/
+/**
+ * make an auxiliary reflection which has the same sgu and sgl as r1, but 
+ * an omega which is adjusted to the angle difference between r1 and 
+ * the target. This is useful for generating an auxilairy UB during 
+ * alignment.
+ * @param B The B matrix
+ * @param r1 The first reflection
+ * @param r2 a pointer to the second reflection, QH, QK, QL initialized
+ * @param ss The scattering sense at the sample
+ * @return 1 on success, a negative error code on failure.
+ */
+int makeAuxReflection(MATRIX B, tasReflection r1, 
+    tasReflection *r2, int ss); 
 /**
  * calculate a UB from two reflections and the cell.
  * @param cell The lattice constant of the crystal