Full cubic spline implementations using the spline.h library

include/Power_Table.h

@@ -9,7 +9,7 @@
 
 #include "settings.h"
 #include "SmartSpin_parameters.h"
-#include <vector> 
+#include <vector>
 
 #define POWERTABLE_LOG_TAG   "PTable"
 #define RETURN_ERROR         INT32_MIN
@@ -111,6 +111,9 @@ class PowerTable {
   // returns incline for wattTarget. Null if not found.
   int32_t lookup(int watts, int cad);
 
+  // returns 
+  int32_t splineLookup(int watts, int cad); 
+
   // returns watts for given cadence and target position. Returns RETURN_ERROR if not found.
   int32_t lookupWatts(int cad, int32_t targetPosition);
 
@@ -129,12 +132,13 @@ class PowerTable {
   // Display power table in log
   void toLog();
 
-  // Fill table function shortened. 
-  void fillEmptyTable(int outerValue, const std::vector<int>& emptyIndices, const std::vector<double>& x, const std::vector<double>& y, bool horizontal); 
+  void fillEmptyTable(int outerValue, const std::vector<int>& emptyIndices, const std::vector<double>& x, const std::vector<double>& y, bool horizontal);
 
-  // Determine if we are doing horiziontal or vertical interpolation; 
   void findTableDirection(bool horizontal);
 
+  void extrapFillTableDirection(bool horizontal); 
+
+  void extrapolateEmptyIndices(int outerIndex, const std::vector<int>& emptyIndices, const std::vector<double>& x, const std::vector<double>& y, bool horizontal);
  private:
   unsigned long lastSaveTime     = millis();
   TestResults testNeighbors(int i, int j, int value);

include/settings.h

@@ -310,7 +310,7 @@ const char* const DEFAULT_PASSWORD = "password";
 
 //Max distance a failed neighbor can be horizontally from target position
 #define HORIZONTAL_NEIGHBOR_RANGE 0.6
-    
+
 //Max distance a failed neighbr can be vertically from target position
 #define VERTICAL_NEIGHBOR_RANGE 0.8