implemented a function that will be used to provide a generic n-th order, nth-dimension error approximation function

bin/pattern.py

@@ -0,0 +1,12 @@
+#!/usr/bin/env python
+
+from baker import pattern
+from baker.tools import smblog
+
+smblog.info(pattern(power = 2, phicount = 3, offset = -1))
+smblog.info()
+smblog.info(pattern(power = 2, phicount = 4, offset = -1))
+smblog.info()
+smblog.info(pattern(power = 3, phicount = 3, offset = -1))
+smblog.info()
+smblog.info(pattern(power = 3, phicount = 4, offset = -1))

bin/test3d-connectivity.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+
+import sys
+from grid.DDD import random_grid
+from baker import get_phis, run_baker
+from baker.tools import exact_func, smberror, improved_answer, smblog
+from glob import glob
+from os import remove
+
+import numpy as np
+
+import pylab
+
+def draw_gb(bad, good):
+  pylab.xlabel('total runs')
+  pylab.ylabel('count')
+  pylab.grid(True)
+  pylab.plot(bad)
+  pylab.plot(good)
+  pylab.legend(('bad', 'good'))
+
+  pylab.show()
+
+FILE_PREFIX='/tmp/qhull-'
+
+
+if __name__ == '__main__':
+  for g in glob('%s*' % FILE_PREFIX):
+    remove(g)
+
+  try:
+    total_points   = int(sys.argv[1])
+    random_points  = int(sys.argv[2])
+    total_tries    = int(sys.argv[3])
+  except:
+    print "usage: app.py [total points in random grid] [number of random points to attempt] [total attempts]"
+    sys.exit(1)
+
+
+  print "total points", total_points
+
+
+
+  d = {True: 0, False: 0}
+  good = []
+  bad = []
+  for cur_try in xrange(total_tries):
+    g = random_grid(total_points)
+    open('%s%0.3d.txt' % (FILE_PREFIX, cur_try), 'w').write(g.for_qhull())
+
+    for i in xrange(random_points):
+      X = [np.random.rand(), np.random.rand(), np.random.rand()]
+      exact = exact_func(X)
+
+      try:
+        try:
+          answer =  g.run_baker(X)
+          d[improved_answer(answer, exact)] += 1
+        except ValueError as e:
+          smblog.error(e)
+      except smberror as e:
+        print e
+        print d
+
+    print d
+    bad.append(d[False])
+    good.append(d[True])
+
+  draw_gb(bad = bad, good = good)