def test_drawR_large_shell(self):
D = 1e-12
a = 1e-3
gf = mod.FirstPassageGreensFunction(D, a)
t = 1e-10
r = gf.drawR(0.5, t)
self.failIf(r <= 0.0)
self.failIf(r > a)
def test_draw_time(self):
D = 1e-12
a = 1e-7
gf = mod.FirstPassageGreensFunction(D, a)
t = gf.drawTime(0.0)
t = gf.drawTime(0.5)
t = gf.drawTime(1.0 - 1e-8)
def test_drawR_large_t(self):
D = 1e-12
a = 1e-6
gf = mod.FirstPassageGreensFunction(D, a)
t = gf.drawTime(1.0 - 1e-16)
r = gf.drawR(0.5, t)
self.failIf(r <= 0.0)
self.failIf(r > a)
def test_drawR_zerot(self):
D = 1e-12
a = 1e-8
t = 0.0
gf = mod.FirstPassageGreensFunction(D, a)
r = gf.drawR(0.5, t)
self.assertEqual(0.0, r)
def test_zero_shell(self):
D = 1e-12
a = 0.0
gf = mod.FirstPassageGreensFunction(D, a)
t = gf.drawTime(0.5)
self.assertEqual(0.0, t)
r = gf.drawR(0.5, t)
self.assertEqual(0.0, r)
def test_drawR(self):
D = 1e-12
a = 1e-7
gf = mod.FirstPassageGreensFunction(D, a)
t = gf.drawTime(0.5)
r = gf.drawR(0.0, t)
r = gf.drawR(0.5, t)
r = gf.drawR(1.0 - 1e-16, t)
def test_drawR_smallt(self):
D = 1e-12
a = 1e-8
gf = mod.FirstPassageGreensFunction(D, a)
t = gf.drawTime(0.5)
while t > 1e-30:
t *= 1e-4
r = gf.drawR(0.0, t)
self.failIf(r < 0.0)
self.failIf(r > a)
def test_p_int_r_at_a_is_p_survival_2(self):
D = 1e-12
a = 1e-9
gf = mod.FirstPassageGreensFunction(D, a)
t = 1e-3
p = gf.p_int_r(a, t)
psurv = gf.p_survival(t)
print 'ps', p, psurv
self.assertAlmostEqual(p, psurv)
def test_p_int_r_is_p_int_r_free_with_large_shell(self):
D = 1e-12
a = 1e-6
gf = mod.FirstPassageGreensFunction(D, a)
r = 1e-9
t = 1e-6
p = gf.p_int_r(r, t)
p_free = gf.p_int_r_free(r, t)
self.assertAlmostEqual(p, p_free)
def test_no_shell(self):
D = 1e-12
a = numpy.inf
gf = mod.FirstPassageGreensFunction(D, a)
t = gf.drawTime(0.5)
self.assertEqual(numpy.inf, t)
def test_instantiation(self):
D = 1e-12
a = 1.0
gf = mod.FirstPassageGreensFunction(D, a)
self.failIf(gf == None)