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Replaced some numerical constants with named constants

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This commit is contained in:
Adam Nelson 2016-11-30 19:55:59 -05:00
parent c87ca6f989
commit caab2c1c2d
1 changed files with 6 additions and 2 deletions
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8
openmc/plotter.py
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@ -58,6 +58,10 @@ PLOT_TYPES_OP = {'total': (np.add,),
PLOT_TYPES_LINEAR = {'nu-fission / fission', 'nu-scatter / scatter',
'nu-fission / absorption', 'fission / absorption'}
# Minimum and maximum energies for plotting (units of eV)
_MIN_E = 1.E-5
_MAX_E = 20.E6
def plot_xs(this, types, divisor_types=None, temperature=294., axis=None,
sab_name=None, ce_cross_sections=None, mg_cross_sections=None,
@ -199,7 +203,7 @@ def plot_xs(this, types, divisor_types=None, temperature=294., axis=None,
ax.set_xlabel('Energy [eV]')
if plot_CE:
ax.set_xlim(1.E-5, 20.E6)
ax.set_xlim(_MIN_E, _MAX_E)
else:
ax.set_xlim(E[-1], E[0])
if divisor_types:
@ -672,7 +676,7 @@ def calculate_mgxs(this, types, orders=None, temperature=294.,
# Ensure the energy will show on a log-axis by replacing 0s with a
# sufficiently small number
if energy_grid[0] <= 0.:
energy_grid[0] = 1.E-5
energy_grid[0] = _MIN_E
for line in range(len(types)):
i = 0