smbinterp/bin/test.py

#!/usr/bin/python2.6

import sys
from grid.DDD import simple_random_grid
from baker import get_phis_3D, run_baker_3D
from baker.tools import exact_func_3D

try:
  total_points = int(sys.argv[1])
except:
  total_points = 20


print total_points
g = simple_random_grid(total_points)

open('/tmp/for_qhull.txt', 'w').write(g.for_qhull())

X = [0.3, 0.3, 0.4]

R, S =  g.get_simplex_and_nearest_points(X, extra_points = 6, simplex_size=4)

print "R\n", R
print "S\n", S

exact = exact_func_3D(X)
print "exact solution: %0.6f" % exact

phis = get_phis_3D(X, R.points)
print "phi values (should all be positive): ", phis, sum(phis)
if [i for i in phis if i < 0.0]:
  print "problems"

r = run_baker_3D(X, R, S)

print 'qlin' , r['qlin']
print 'error', r['error']
print 'final', r['final']

if abs(r['final'] - exact) <= abs(r['qlin'] - exact):
  print "win"
else:
  print "failure"