def genchains(chains, sf=False):
chain = chains[-1]
children = all_children(chain[-1])
# filters spontaneous fission
if not sf:
children = {c for c in children if (0.0 == fpyield(chain[-1], c)) and (c not in chain) }
if decay_const(chain[-1]) != 0:
for child in children:
if child not in chain:
chains.append(chain + (child,))
chains = genchains(chains, sf=sf)
return chains
def genchains(chains, sf=False):
chain = chains[-1]
children = decay_children(chain[-1])
# filters spontaneous fission
if not sf:
children = {
c for c in children if (0.0 == fpyield(chain[-1], c)) and (c not in chain)
}
if decay_const(chain[-1]) != 0:
for child in children:
if child not in chain:
chains.append(chain + (child,))
chains = genchains(chains, sf=sf)
return chains
def test_nds_fpyield():
assert_equal(data.fpyield("Th-232", "Eu-154", 3), 2.79e-07)
assert_equal(data.fpyield("Th-232", "Eu-154", 3, True), 9.3e-08)
def test_wims_fpyield():
assert_equal(data.fpyield("Th-232", "Eu-154"), 2.2000e-13)
assert_equal(data.fpyield(962440000, 611480001), 1.3800e-06)
def test_nds_fpyield():
assert_equal(data.fpyield('Th-232', 'Eu-154', 3), 9.6000E-8)
assert_equal(data.fpyield('Th-232', 'Eu-154', 3, True), 3.8000E-8)
def test_wims_fpyield():
assert_equal(data.fpyield('Th-232', 'Eu-154'), 2.2000E-13)
assert_equal(data.fpyield(962440000, 611480001), 1.3800E-06)
def test_nds_fpyield():
assert_equal(data.fpyield('Th-232', 'Eu-154', 3), 2.79e-07)
assert_equal(data.fpyield('Th-232', 'Eu-154', 3, True), 9.3e-08)
def test_nds_fpyield():
assert_equal(data.fpyield('Th-232', 'Eu-154', 3), 2.79e-07)
assert_equal(data.fpyield('Th-232', 'Eu-154', 3, True), 9.3e-08)