from typing import List
import numpy as np
from pyNastran.utils import object_attributes
[docs]def write_float_12e(val):
# type: (float) -> str
"""writes a Nastran formatted 12.5 float"""
v2 = '%12.5E' % val
if v2 in (' 0.00000E+00', '-0.00000E+00'):
v2 = ' 0.0'
return v2
[docs]def write_float_13e(val):
# type: (float) -> str
"""writes a Nastran formatted 13.6 float"""
val2 = '%13.6E' % val
if val2 in (' 0.000000E+00', '-0.000000E+00'):
val2 = ' 0.0'
return val2
[docs]def write_floats_10e(vals):
# type: (List[float]) -> List[str]
"""writes a series of Nastran formatted 10.3 floats"""
vals2 = []
for v in vals:
v2 = '%10.3E' % v
if v2 in (' 0.000E+00', '-0.000E+00'):
v2 = ' 0.0'
vals2.append(v2)
return vals2
[docs]def write_floats_12e(vals):
# type: (List[float]) -> List[str]
"""writes a series of Nastran formatted 12.5 floats"""
vals2 = []
for v in vals:
v2 = '%12.5E' % v
if v2 in (' 0.00000E+00', '-0.00000E+00'):
v2 = ' 0.0'
vals2.append(v2)
return vals2
[docs]def write_floats_13e(vals):
# type: (List[float]) -> List[str]
"""writes a series of Nastran formatted 13.6 floats"""
vals2 = []
for v in vals:
v2 = '%13.6E' % v
if v2 in (' 0.000000E+00', '-0.000000E+00'):
v2 = ' 0.0'
vals2.append(v2)
return vals2
[docs]def write_imag_floats_13e(vals, is_mag_phase):
# type: (List[float], bool) -> str
vals2 = []
if is_mag_phase:
for v in vals:
v2 = '%13.6E' % abs(v)
if v2 in (' 0.000000E+00', '-0.000000E+00'):
v2 = ' 0.0'
vals2.append(v2)
# phase
for v in vals:
v2 = np.angle(v, deg=True)
v3 = '%-13.4f' % v2 if v2 >= 0.0 else '%-13.4f' % (v2 + 360.)
if v3 == '0.0000 ':
v3 = ' 0.0'
vals2.append(v3)
else:
for v in vals:
v2 = '%13.6E' % v.real
if v2 in (' 0.000000E+00', '-0.000000E+00'):
v2 = ' 0.0'
vals2.append(v2)
for v in vals:
v3 = '%13.6E' % v.imag
if v3 in (' 0.000000E+00', '-0.000000E+00'):
v3 = ' 0.0'
vals2.append(v3)
return vals2
[docs]def write_floats_8p4f(vals):
# type: (List[float]) -> List[str]
"""writes an 8.4F formatted number"""
vals2 = []
for val in vals:
if val >= 1000.0 or val <= -100.0:
raise RuntimeError(val)
val2 = '%8.4f' % val
if val2 in (' 0.0000', ' -0.0000'):
val2 = ' 0.0 '
vals2.append(val2)
return vals2
[docs]def write_floats_8p1e(vals):
# type: (List[float]) -> List[str]
"""writes an 8.1E formatted number"""
vals2 = []
for val in vals:
if abs(val) < 1e-10:
vals2.append(' ')
else:
vals2.append('%8.1E' % val)
return vals2
def _eigenvalue_header(obj, header, itime, ntimes, dt):
if obj.nonlinear_factor not in (None, np.nan):
name = obj.data_code['name']
if isinstance(dt, int):
dt_line = ' %14s = %i\n' % (name.upper(), dt)
elif isinstance(dt, (float, np.float32)):
dt_line = ' %14s = %12.5E\n' % (name, dt)
else:
dt_line = ' %14s = %12.5E %12.5Ej\n' % (name, dt.real, dt.imag)
header[1] = dt_line
codes = getattr(obj, name + 's')
if not len(codes) == ntimes:
msg = '%ss in %s the wrong size; ntimes=%s; %ss=%s\n' % (
name, obj.__class__.__name__, ntimes, name, codes)
atts = object_attributes(obj)
msg += 'names=%s\n' % atts
msg += 'data_names=%s\n' % obj.data_names
raise IndexError(msg)
if hasattr(obj, 'eigr'):
try:
eigenvalue_real = obj.eigrs[itime]
except IndexError:
msg = 'eigrs[%s] not found; ntimes=%s; eigrs=%s' % (itime, ntimes, obj.eigrs)
msg += 'names=%s' % object_attributes(obj)
raise IndexError(msg)
eigr_line = ' %14s = %12.6E\n' % ('EIGENVALUE', eigenvalue_real)
header[2] = eigr_line
return header
[docs]def get_key0_compare(adict):
"""Gets the "first" key in a dictionary
The entry is kind of irrelevant.
"""
keys = list(adict.keys())
return keys[0]
[docs]def get_key0(adict):
"""Gets the "first" key in a dictionary
The entry is kind of irrelevant.
"""
keys = list(adict.keys())
return keys[0]