fixed a little bug and getting good results again. still will have problems if you try to simply get a linear interpolation

bin/driver.py

@@ -100,9 +100,14 @@ if __name__ == '__main__':
     S  = [mesh_source.points[i] for i in indicies[3:] ]
     Sq = [mesh_source.q[i]      for i in indicies[3:] ]
     s_mesh = grid.grid(S, Sq)
+    print len(S)
 
-    answer = baker.run_baker(X, r_mesh, s_mesh, options.extra, options.verbose)
+    answer = baker.run_baker(X, r_mesh, s_mesh, options.verbose)
 
+    print "]\n[".join([str(i) for i in [answer, r_mesh, s_mesh]])
+    print
+    print
+    print
     exact = exact_func(X[0], X[1])
     if np.abs(exact - answer['final']) < np.abs(exact - answer['qlin']):
       success += 1

lib/baker.py

@@ -93,7 +93,7 @@ def qlinear_3D(X, R, q):
   qlin = sum([q_i * phi_i for q_i, phi_i in zip(q, phis)])
   return qlin
 
-def run_baker(X, R, S, extra_points = 3, verbose = False):
+def run_baker(X, R, S, verbose = False):
   """
     This is the main function to call to get an interpolation to X from the tree
 
@@ -107,10 +107,19 @@ def run_baker(X, R, S, extra_points = 3, verbose = False):
   """
 
   # calculate values only for the triangle
-  phi  = get_phis(X, S.points)
+  phi  = get_phis(X, R.points)
-  qlin = qlinear (X, S.points, S.q)
+  qlin = qlinear (X, R.points, R.q)
 
-  if extra_points == 0: return qlin
+  if len(S.points) == 0:
+    answer = {
+               'a': None,
+               'b': None,
+               'c': None,
+               'qlin': qlin,
+               'error': None,
+               'final': None,
+              }
+    return answer
 
   B = [] # baker eq 9
   w = [] # baker eq 11

test/baker.test.py

@@ -91,6 +91,7 @@ class TestSequenceFunctions(unittest.TestCase):
                            self.q[size_of_simplex:size_of_simplex + extra_points])
 
     answer = baker.run_baker(self.X, R, S)
+
     a = self.approx_fmt % answer['a']
     b = self.approx_fmt % answer['b']
     c = self.approx_fmt % answer['c']