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Merge pull request #307 from isuruf/linsolve
Linsolve
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Original file line number | Diff line number | Diff line change |
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@@ -1,17 +1,25 @@ | ||
from symengine.utilities import raises | ||
from symengine.lib.symengine_wrapper import (Interval, EmptySet, FiniteSet, | ||
I, oo, solve, Eq, Symbol) | ||
from symengine import (Interval, EmptySet, FiniteSet, I, oo, Eq, Symbol, | ||
linsolve) | ||
from symengine.lib.symengine_wrapper import solve | ||
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def test_solve(): | ||
x = Symbol("x") | ||
reals = Interval(-oo, oo) | ||
x = Symbol("x") | ||
reals = Interval(-oo, oo) | ||
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assert solve(1, x, reals) == EmptySet() | ||
assert solve(0, x, reals) == reals | ||
assert solve(x + 3, x, reals) == FiniteSet(-3) | ||
assert solve(x + 3, x, Interval(0, oo)) == EmptySet() | ||
assert solve(x, x, reals) == FiniteSet(0) | ||
assert solve(x**2 + 1, x) == FiniteSet(-I, I) | ||
assert solve(x**2 - 2*x + 1, x) == FiniteSet(1) | ||
assert solve(Eq(x**3 + 3*x**2 + 3*x, -1), x, reals) == FiniteSet(-1) | ||
assert solve(x**3 - x, x) == FiniteSet(0, 1, -1) | ||
assert solve(1, x, reals) == EmptySet() | ||
assert solve(0, x, reals) == reals | ||
assert solve(x + 3, x, reals) == FiniteSet(-3) | ||
assert solve(x + 3, x, Interval(0, oo)) == EmptySet() | ||
assert solve(x, x, reals) == FiniteSet(0) | ||
assert solve(x**2 + 1, x) == FiniteSet(-I, I) | ||
assert solve(x**2 - 2*x + 1, x) == FiniteSet(1) | ||
assert solve(Eq(x**3 + 3*x**2 + 3*x, -1), x, reals) == FiniteSet(-1) | ||
assert solve(x**3 - x, x) == FiniteSet(0, 1, -1) | ||
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def test_linsolve(): | ||
x = Symbol("x") | ||
y = Symbol("y") | ||
assert linsolve([x - 2], [x]) == (2,) | ||
assert linsolve([x - 2, y - 3], [x, y]) == (2, 3) | ||
assert linsolve([x + y - 3, x + 2*y - 4], [x, y]) == (2, 1) |
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v0.5.0 | ||
fc05f8d55915c2de956e7797d764eb1116b61711 |