[1D] Adds getRefineCriteria function

include/cantera/oneD/Sim1D.h

@@ -139,6 +139,13 @@ public:
     void setRefineCriteria(int dom = -1, doublereal ratio = 10.0,
                            doublereal slope = 0.8, doublereal curve = 0.8, doublereal prune = -0.1);
 
+    /**
+     * Get the grid refinement criteria. dom must be greater than
+     * or equal to zero (i.e., the domain must be specified).
+     * @see Refiner::getCriteria
+     */
+    vector_fp getRefineCriteria(int dom);
+
     /**
      * Set the maximum number of grid points in the domain. If dom >= 0,
      * then the settings apply only to the specified domain. If dom < 0,

include/cantera/oneD/refine.h

@@ -36,6 +36,12 @@ public:
                      doublereal curve = 0.8,
                      doublereal prune = -0.1);
 
+    //! Get the grid refinement criteria. @see Refiner::setCriteria
+    vector_fp getCriteria()
+    {
+        return {m_ratio, m_slope, m_curve, m_prune};
+    }
+
     void setActive(int comp, bool state = true) {
         m_active[comp] = state;
     }

src/oneD/Sim1D.cpp

@@ -525,6 +525,17 @@ void Sim1D::setRefineCriteria(int dom, doublereal ratio,
     }
 }
 
+vector_fp Sim1D::getRefineCriteria(int dom)
+{
+   if (dom >= 0) {
+       Refiner& r = domain(dom).refiner();
+       return r.getCriteria();
+   } else {
+       throw CanteraError("Sim1D::getRefineCriteria",
+           "Must specify domain to get criteria from");
+   }
+}
+
 void Sim1D::setGridMin(int dom, double gridmin)
 {
     if (dom >= 0) {