def test_matplotlib2():
name = 'test2'
plot_implicit(And(y > cos(x), Or(y > x, Eq(y, x))), show=False).save(tmp_file(name))
# Test plots which cannot be rendered using the adaptive algorithm
# TODO: catch the warning.
plot_implicit(Eq(y, re(cos(x) + I*sin(x))), show=False).save(tmp_file(name))
with warnings.catch_warnings(record=True) as w:
plot_implicit(x**2 - 1, legend='An implicit plot', show=False).save(tmp_file(name))
assert len(w) == 1
assert issubclass(w[-1].category, UserWarning)
assert 'No labelled objects found' in str(w[0].message)
def test_matplotlib2():
name = 'test2'
plot_implicit(And(y > cos(x), Or(y > x, Eq(y, x))),
show=False).save(tmp_file(name))
# Test plots which cannot be rendered using the adaptive algorithm
# TODO: catch the warning.
plot_implicit(Eq(y, re(cos(x) + I * sin(x))),
show=False).save(tmp_file(name))
with warnings.catch_warnings(record=True) as w:
plot_implicit(x**2 - 1, legend='An implicit plot',
show=False).save(tmp_file(name))
assert len(w) == 1
assert issubclass(w[-1].category, UserWarning)
assert 'No labelled objects found' in str(w[0].message)
def test_line_color():
x, y = symbols('x, y')
p = plot_implicit(x**2 + y**2 - 1, line_color='green', show=False)
assert p._series[0].line_color == 'green'
p = plot_implicit(x**2 + y**2 - 1, line_color='r', show=False)
assert p._series[0].line_color == 'r'
def plot_and_save(name):
# implicit plot tests
plot_implicit(Eq(y, cos(x)), (x, -5, 5), (y, -2, 2)).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), (x, -5, 5), (y, -4, 4),
show=False).save(tmp_file(name))
plot_implicit(y > 1 / x, (x, -5, 5), (y, -2, 2),
show=False).save(tmp_file(name))
plot_implicit(y < 1 / tan(x), (x, -5, 5), (y, -2, 2),
show=False).save(tmp_file(name))
plot_implicit(y >= 2 * sin(x) * cos(x), (x, -5, 5), (y, -2, 2),
show=False).save(tmp_file(name))
plot_implicit(y <= x**2, (x, -3, 3), (y, -1, 5),
show=False).save(tmp_file(name))
plot_implicit(Or(And(x < y, x > y**2),
sin(y) > x), show=False).save(tmp_file(name))
plot_implicit(Or(And(x < y, x > y**2), sin(y)),
show=False).save(tmp_file(name))
plot_implicit(Or(x < y, sin(x) >= y), show=False).save(tmp_file(name))
# Test all input args for plot_implicit
plot_implicit(Eq(y**2, x**3 - x), show=False).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), adaptive=False,
show=False).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), adaptive=False, points=500,
show=False).save(tmp_file(name))
plot_implicit(y > x, (x, -5, 5), show=False).save(tmp_file(name))
plot_implicit(And(y > exp(x), y > x + 2), show=False).save(tmp_file(name))
plot_implicit(Or(y > x, y > -x), show=False).save(tmp_file(name))
plot_implicit(x**2 - 1, (x, -5, 5), show=False).save(tmp_file(name))
plot_implicit(x**2 - 1, show=False).save(tmp_file(name))
plot_implicit(y > x, depth=-5, show=False).save(tmp_file(name))
plot_implicit(y > x, depth=5, show=False).save(tmp_file(name))
plot_implicit(y > cos(x), adaptive=False, show=False).save(tmp_file(name))
plot_implicit(y < cos(x), adaptive=False, show=False).save(tmp_file(name))
plot_implicit(y - cos(pi / x), show=False).save(tmp_file(name))
pytest.raises(ValueError, lambda: plot_implicit(y > x, (x, -1, 1, 2)))
# issue sympy/sympy#17719
plot_implicit(((x - 1)**2 + y**2 < 2) ^ ((x + 1)**2 + y**2 < 2),
show=False).save(tmp_file(name))
def plot_and_save(name):
x = Symbol('x')
y = Symbol('y')
z = Symbol('z')
# implicit plot tests
plot_implicit(Eq(y, cos(x)), (x, -5, 5), (y, -2, 2)).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), (x, -5, 5),
(y, -4, 4)).save(tmp_file(name))
plot_implicit(y > 1 / x, (x, -5, 5), (y, -2, 2)).save(tmp_file(name))
plot_implicit(y < 1 / tan(x), (x, -5, 5), (y, -2, 2)).save(tmp_file(name))
plot_implicit(y >= 2 * sin(x) * cos(x), (x, -5, 5),
(y, -2, 2)).save(tmp_file(name))
plot_implicit(y <= x**2, (x, -3, 3), (y, -1, 5)).save(tmp_file(name))
# Test all input args for plot_implicit
plot_implicit(Eq(y**2, x**3 - x)).save(tmp_file())
plot_implicit(Eq(y**2, x**3 - x), adaptive=False).save(tmp_file())
plot_implicit(Eq(y**2, x**3 - x), adaptive=False,
points=500).save(tmp_file())
plot_implicit(y > x, (x, -5, 5)).save(tmp_file())
plot_implicit(And(y > exp(x), y > x + 2)).save(tmp_file())
plot_implicit(Or(y > x, y > -x)).save(tmp_file())
plot_implicit(x**2 - 1, (x, -5, 5)).save(tmp_file())
plot_implicit(x**2 - 1).save(tmp_file())
plot_implicit(y > x, depth=-5).save(tmp_file())
plot_implicit(y > x, depth=5).save(tmp_file())
plot_implicit(y > cos(x), adaptive=False).save(tmp_file())
plot_implicit(y < cos(x), adaptive=False).save(tmp_file())
plot_implicit(And(y > cos(x), Or(y > x, Eq(y, x)))).save(tmp_file())
plot_implicit(y - cos(pi / x)).save(tmp_file())
# Test plots which cannot be rendered using the adaptive algorithm
# TODO: catch the warning.
plot_implicit(Eq(y, re(cos(x) + I * sin(x)))).save(tmp_file(name))
with warnings.catch_warnings(record=True) as w:
plot_implicit(x**2 - 1, legend='An implicit plot').save(tmp_file())
assert len(w) == 1
assert issubclass(w[-1].category, UserWarning)
assert 'No labeled objects found' in str(w[0].message)
def test_line_color():
x, y = symbols('x, y')
p = plot_implicit(x**2 + y**2 - 1, line_color="green", show=False)
assert p._series[0].line_color == "green"
p = plot_implicit(x**2 + y**2 - 1, line_color='r', show=False)
assert p._series[0].line_color == "r"
def plot_and_save(name):
# implicit plot tests
plot_implicit(Eq(y, cos(x)), (x, -5, 5), (y, -2, 2), show=False).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), (x, -5, 5),
(y, -4, 4), show=False).save(tmp_file(name))
plot_implicit(y > 1 / x, (x, -5, 5),
(y, -2, 2), show=False).save(tmp_file(name))
plot_implicit(y < 1 / tan(x), (x, -5, 5),
(y, -2, 2), show=False).save(tmp_file(name))
plot_implicit(y >= 2 * sin(x) * cos(x), (x, -5, 5),
(y, -2, 2), show=False).save(tmp_file(name))
plot_implicit(y <= x**2, (x, -3, 3),
(y, -1, 5), show=False).save(tmp_file(name))
plot_implicit(Or(And(x < y, x > y**2), sin(y) > x),
show=False).save(tmp_file(name))
plot_implicit(Or(And(x < y, x > y**2), sin(y)),
show=False).save(tmp_file(name))
plot_implicit(Or(x < y, sin(x) >= y), show=False).save(tmp_file(name))
# Test all input args for plot_implicit
plot_implicit(Eq(y**2, x**3 - x), show=False).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), adaptive=False, show=False).save(tmp_file(name))
plot_implicit(Eq(y**2, x**3 - x), adaptive=False, points=500, show=False).save(tmp_file(name))
plot_implicit(y > x, (x, -5, 5), show=False).save(tmp_file(name))
plot_implicit(And(y > exp(x), y > x + 2), show=False).save(tmp_file(name))
plot_implicit(Or(y > x, y > -x), show=False).save(tmp_file(name))
plot_implicit(x**2 - 1, (x, -5, 5), show=False).save(tmp_file(name))
plot_implicit(x**2 - 1, show=False).save(tmp_file(name))
plot_implicit(y > x, depth=-5, show=False).save(tmp_file(name))
plot_implicit(y > x, depth=5, show=False).save(tmp_file(name))
plot_implicit(y > cos(x), adaptive=False, show=False).save(tmp_file(name))
plot_implicit(y < cos(x), adaptive=False, show=False).save(tmp_file(name))
plot_implicit(y - cos(pi / x), show=False).save(tmp_file(name))
pytest.raises(ValueError, lambda: plot_implicit(y > x, (x, -1, 1, 2)))