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Add test for Lambdify of Piecewise using LLVM #259

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Merged
merged 2 commits into from
Dec 25, 2018
Merged

Add test for Lambdify of Piecewise using LLVM #259

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7cdba28
Add test for Lambdify of Piecewise using LLVM
bjodah Dec 23, 2018
f569847
Update symengine_version.txt
isuruf Dec 25, 2018
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12 changes: 9 additions & 3 deletions symengine/tests/test_lambdify.py
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Original file line number Diff line number Diff line change
Expand Up @@ -76,16 +76,22 @@ def test_Lambdify():
[3*n+3, n**2, -1/(n+2), n*(n+1)*(n+2)])


@unittest.skipUnless(have_numpy, "Numpy not installed")
def test_Lambdify_Piecewise():
def _test_Lambdify_Piecewise(Lambdify):
x = se.symbols('x')
p = se.Piecewise((-x, x<0), (x*x*x, True))
f = se.Lambdify([x], [p])
f = Lambdify([x], [p])
arr = np.linspace(3, 7)
assert np.allclose(f(-arr).flat, arr, atol=1e-14, rtol=1e-15)
assert np.allclose(f(arr).flat, arr**3, atol=1e-14, rtol=1e-15)


@unittest.skipUnless(have_numpy, "Numpy not installed")
def test_Lambdify_Piecewise():
_test_Lambdify_Piecewise(lambda *args: se.Lambdify(*args, backend='lambda'))
if se.have_llvm:
_test_Lambdify_Piecewise(lambda *args: se.Lambdify(*args, backend='llvm'))


@unittest.skipUnless(have_numpy, "Numpy not installed")
def test_Lambdify_LLVM():
n = 7
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2 changes: 1 addition & 1 deletion symengine_version.txt
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
9b604b2757aa09ae9d2286510eaf4b75d9b2b796
85c78dafe7829408f69c3bc0df7408d78ef96298