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"""
Limited tests of the visualization module. Right now it just makes
sure that passing custom Axes works.
"""
from mpmath import mp, fp
def test_axes():
try:
import matplotlib
version = matplotlib.__version__.split("-")[0]
version = version.split(".")[:2]
if [int(_) for _ in version] < [0,99]:
raise ImportError
import pylab
except ImportError:
print("\nSkipping test (pylab not available or too old version)\n")
return
fig = pylab.figure()
axes = fig.add_subplot(111)
for ctx in [mp, fp]:
ctx.plot(lambda x: x**2, [0, 3], axes=axes)
assert axes.get_xlabel() == 'x'
assert axes.get_ylabel() == 'f(x)'
fig = pylab.figure()
axes = fig.add_subplot(111)
for ctx in [mp, fp]:
ctx.cplot(lambda z: z, [-2, 2], [-10, 10], axes=axes)
assert axes.get_xlabel() == 'Re(z)'
assert axes.get_ylabel() == 'Im(z)'
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