Issue 1162: make sympy all tests pass in python2.6
http://code.google.com/p/sympy/issues/detail?id=1162
Comment #1 by ondrej.certik:
All patches in, and mpmath is fixed. Now we have these failures:
entrypoint: test_roots
def test_roots():
S = sympify
a = Symbol("a")
b = Symbol("b")
c = Symbol("c")
x = Symbol("x")
assert roots(x**2-3*x+2) == [1, 2]
assert roots(x**2-3*x/2+Rational(1,2)) == [Rational(1,2), 1]
assert roots(2*x**2-3*x+1) == [Rational(1,2), 1]
assert roots(x**2-1) == [1, -1]
assert roots(x**2+1) == [I, -I]
assert roots(x**3-1) == [1,
Rational(-1,2) +
I*Rational(1,2)*3**Rational(1,2),
Rational(-1,2) -
I*Rational(1,2)*3**Rational(1,2)]
assert roots(x**3) == [0, 0, 0]
assert roots(x**3-x) == [-1, 0, 1]
assert roots(Rational(2),x) == []
assert roots(a*x**2 + b*x + c, var=[x]) == \
[-b/(a*2)+(((b/a)**2-4*c/a)**Rational(1,2))/2,
E -b/(a*2)-(((b/a)**2-4*c/a)**Rational(1,2))/2]
> AssertionError: (inconsistently failed then succeeded)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/polynomials/tests/test_polynomials.py:287:
AssertionError
entrypoint: test_solve_system
def test_solve_system():
x = Symbol("x")
y = Symbol("y")
z = Symbol("z")
assert solve_system(x-1) == [(S.One,)]
assert solve_system([2*x - 3, 3*y/2 - 2*x, z - 5*y]) \
== [(Rational(3, 2), Integer(2), Integer(10))]
assert solve_system([y - x, y - x - 1]) == []
assert solve_system([y - x**2, y + x**2]) == [(S.Zero, S.Zero)]
assert solve_system([y - x**2, y + x**2 + 1]) == \
[(I*Rational(1,2)**Rational(1,2), Rational(-1,2)),
E (-I*Rational(1,2)**Rational(1,2), Rational(-1,2))]
> AssertionError: (inconsistently failed then succeeded)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/polynomials/tests/test_polynomials.py:334:
AssertionError
entrypoint: test_pretty_basic
def test_pretty_basic():
# Simple numbers/symbols
assert pretty( -Rational(1)/2 ) == '-1/2'
assert pretty( -Rational(13)/22 ) == ' 13\n- --\n 22'
assert pretty( oo ) == 'oo'
# Powers
assert pretty( (x**2) ) == ' 2\nx '
assert pretty( 1/x ) == '1\n-\nx'
assert pretty( y*x**-2 ) == 'y \n--\n 2\nx '
assert pretty( x**Rational(-5,2) ) == ' 1 \n----\n 5/2\nx '
assert pretty( (-2)**x ) == ' x\n(-2) '
# Sums of terms
assert pretty( (x**2 + x + 1)) in [
' 2\n1 + x + x ',
' 2 \nx + x + 1',
E ' 2 \nx + x + 1']
> assert ' 2 \nx + 1 + x' in [' 2\n1 + x + x ', '
2 \nx
+ x + 1', ' 2 \nx + x + 1']
+ where ' 2 \nx + 1 + x' = pretty((((x ** 2) + x) + 1))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty.py:57:
AssertionError
entrypoint: test_pretty_sqrt
def test_pretty_sqrt():
assert pretty( sqrt(2) ) == ' ___\n\\/ 2 '
assert pretty( 2**Rational(1,3) ) == '3 ___\n\\/ 2 '
E assert pretty( sqrt(x**2+1) ) == ' ________\n / 2 \n\\/ 1
+ x '
> assert ' ________\n / 2 \n\\/ x + 1 ' == ' ________\n
/ 2
\n\\/ 1 + x '
+ where ' ________\n / 2 \n\\/ x + 1 ' = pretty((x**2 +
1)**(1/2))
+ where (x**2 + 1)**(1/2) = sqrt(((x ** 2) + 1))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty.py:146:
AssertionError
entrypoint: test_pretty_matrix
def test_pretty_matrix():
p = pretty( Matrix([[x**2+1, 1], [y, x+y]]) )
s1 = \
"""\
[ 2 ]
[1 + x 1 ]
[ ]
[ y x + y]\
"""
s2 = \
"""\
[ 2 ]
[x + 1 1 ]
[ ]
[ y y + x]\
"""
E assert p in [s1, s2]
> assert '[ 2 ]\n[x + 1 1 ]\n[ ]\n[ y
x + y]'
in ['[ 2 ]\n[1 + x 1 ]\n[ ]\n[ y x +
y]', '[ 2
]\n[x + 1 1 ]\n[ ]\n[ y y + x]']
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty.py:224:
AssertionError
entrypoint: test_upretty_integral
def test_upretty_integral():
u = upretty( Integral(sin(th)/cos(ph), (th,0,pi), (ph, 0, 2*pi)) )
s = \
u"""\
2⋅π π \n\
⌠⌠\n\
⎮ ⎮ sin(θ) \n\
⎮ ⎮ ────── dθ dφ\n\
⎮ ⎮ cos(φ) \n\
⌡ ⌡ \n\
0 0 \
"""
assert u == s
u = upretty( Integral(x**2*sin(y), (x,0,1), (y,0,pi)) )
s = \
u"""\
Ï€ 1 \n\
⌠⌠\n\
⎮ ⎮ 2 \n\
⎮ ⎮ x ⋅sin(y) dx dy\n\
⌡ ⌡ \n\
0 0 \
"""
E assert u == s
> assert u'\u03c0 1 \n\u2320 \u2320
\n\u23ae
\u23ae ...u23ae sin(y)\u22c5x dx dy\n\u2321 \u2321 \n0
0
' == u'\u03c0 1 \n\u2320 \u2320
\n\u23ae \u23ae
2 ...u23ae x \u22c5sin(y) dx dy\n\u2321 \u2321 \n0
0 '
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty_unicode.py:202:
AssertionError
entrypoint: test_upretty_matrix
def test_upretty_matrix():
u = upretty( Matrix([[x**2+1, 1], [y, x+y]]) )
s1 = \
u"""\
⎡ 2 ⎤
⎢1 + x 1 ⎥
⎢ ⎥
⎣ y x + y⎦\
"""
s2 = \
u"""\
⎡ 2 ⎤
⎢x + 1 1 ⎥
⎢ ⎥
⎣ y y + x⎦\
"""
E assert u in [s1, s2]
> assert u'\u23a1 2 \u23a4\n\u23a2x + 1 1
\u23a5\n\u23a2
\u23a5\n\u23a3 y x + y\u23a6' in [u'\u23a1 2
\u23a4\n\u23a21 + x
1 \u23a5\n\u23a2 \u23a5\n\u23a3 y x + y\u23a6',
u'\u23a1 2
\u23a4\n\u23a2x + 1 1 \u23a5\n\u23a2 \u23a5\n\u23a3
y y +
x\u23a6']
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty_unicode.py:258:
AssertionError
entrypoint: test_upretty_matrix2
def test_upretty_matrix2():
m = Matrix([[x/y, y, th], [0, exp(I*k*ph), 1]])
u = upretty(m)
s = \
u"""\
⎡x ⎤
⎢─ y θ⎥
⎢y ⎥
⎢ ⎥
⎢ ⅈ⋅k⋅φ ⎥
⎣0 ℯ 1⎦\
"""
E assert u == s
> assert u'\u23a1x \u23a4\n\u23a2\u2500 y
\u03b8\u23a5\n\u23a2y ...5\n\u23a2 k\u22c5\u03c6\u22c5\u2148
\u23a5\n\u23a30 \u212f 1\u23a6' == u'\u23a1x
\u23a4\n\u23a2\u2500
y \u03b8\u23a5\n\u23a2y ...5\n\u23a2 \u2148\u22c5k\u22c5\u03c6
\u23a5\n\u23a30 \u212f 1\u23a6'
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty_unicode.py:273:
AssertionError
entrypoint: test_upretty_seq
def test_upretty_seq():
assert upretty([]) == '[]'
assert upretty(()) == '()'
assert upretty({}) == '{}'
assert upretty(set()) == 'set()'
assert upretty(frozenset()) == 'frozenset()'
e = [x**2, 1/x, x, y, sin(th)**2/cos(ph)**2]
u = upretty(e)
s = \
u"""\
⎡ 2 ⎤
⎢ 2 1 sin (θ)⎥
⎢x , ─, x, y, ───────⎥
⎢ x 2 ⎥
⎣ cos (φ)⎦\
"""
assert u == s
assert upretty((x,)) == '(x,)'
p = upretty((1/x,))
s = \
u"""\
⎛1 ⎞
⎜─,⎟
⎠x ⎠\
"""
assert p == s
e = tuple(e)
u = upretty(e)
s = \
u"""\
⎛ 2 ⎞
⎜ 2 1 sin (θ)⎟
⎜x , ─, x, y, ───────⎟
⎜ x 2 ⎟
⎠cos (φ)⎠\
"""
assert u == s
e_= dict(enumerate(e))
u = upretty(e_)
s = \
u"""\
⎧ 2 ⎫
⎪ 1 2 sin (θ)⎪
⎨1: ─, 0: x , 2: x, 3: y, 4: ───────⎬
⎪ x 2 ⎪
⎩ cos (φ)âŽ\
"""
E assert u == s
> assert u'\u23a7 2 \u23ab\n\u23aa 1
... 2 \u23aa\n\u23a9 cos (\u03c6)
\u23ad' == u'\u23a7 2 \u23ab\n\u23aa
1 2
... 2 \u23aa\n\u23a9 cos
(\u03c6)\u23ad'
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/pretty/tests/test_pretty_unicode.py:330:
AssertionError
entrypoint: test_Pow
def test_Pow():
assert ccode(x**3) == "pow(x,3)"
assert ccode(x**(y**3)) == "pow(x,(pow(y,3)))"
assert ccode(1/(g(x)*3.5)**(x - y**x)/(x**2 + y)) == \
E "1/(y + pow(x,2))*pow((3.50000000000000*g(x)),(-x + pow(y,x)))"
> AssertionError: (inconsistently failed then succeeded)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_ccode.py:13:
AssertionError
entrypoint: test_latex_basic
def test_latex_basic():
assert latex(1+x) == "$1 + x$"
assert latex(x**2) == "${x}^{2}$"
assert latex(x**(1+x)) == "${x}^{1 + x}$"
E assert latex(x**3+x+1+x**2) == "$1 + x + {x}^{2} + {x}^{3}$"
> assert '${x}^{2} + {x}^{3} + 1 + x$' == '$1 + x + {x}^{2} +
{x}^{3}$'
+ where '${x}^{2} + {x}^{3} + 1 + x$' = latex(((((x ** 3) + x) +
1) + (x **
2)))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_latex.py:16:
AssertionError
entrypoint: test_latex_functions
def test_latex_functions():
assert latex(exp(x)) == "${e}^{x}$"
E assert latex(exp(1)+exp(2)) == "$e + {e}^{2}$"
> assert '${e}^{2} + e$' == '$e + {e}^{2}$'
+ where '${e}^{2} + e$' = latex((E + exp(2)))
+ where E = exp(1)
+ and exp(2) = exp(2)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_latex.py:35:
AssertionError
entrypoint: test_latex_derivatives
def test_latex_derivatives():
assert latex(diff(x**3, x, evaluate=False)) == \
r"$\frac{\partial}{\partial x} {x}^{3}$"
assert latex(diff(sin(x)+x**2, x, evaluate=False)) == \
E r"$\frac{\partial}{\partial
x}\left(\operatorname{sin}\left(x\right) +
{x}^{2}\right)$"
> AssertionError: (inconsistently failed then succeeded)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_latex.py:61:
AssertionError
entrypoint: test_latex_dict
def test_latex_dict():
d = {Rational(1): 1, x**2: 2, x: 3, x**3: 4}
E assert latex(d) == '$\\begin{Bmatrix}1 : 1, & x : 3, & {x}^{2} : 2,
& {x}^{3}
: 4\\end{Bmatrix}$'
> assert '$\\begin{Bmatrix}{x}^{2} : 2, & {x}^{3} : 4, & 1 : 1, & x :
3\\end{Bmatrix}$' == '$\\begin{Bmatrix}1 : 1, & x : 3, & {x}^{2} : 2, &
{x}^{3} :
4\\end{Bmatrix}$'
+ where '$\\begin{Bmatrix}{x}^{2} : 2, & {x}^{3} : 4, & 1 : 1, &
x :
3\\end{Bmatrix}$' = latex({x: 3, x**2: 2, x**3: 4, 1: 1})
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_latex.py:91:
AssertionError
entrypoint: test_python_basic
def test_python_basic():
# Simple numbers/symbols
assert python(-Rational(1)/2) == "e = Rational(-1, 2)"
assert python(-Rational(13)/22) == "e = Rational(-13, 22)"
assert python(oo) == "e = oo"
# Powers
assert python((x**2)) == "x = Symbol(\'x\')\ne = x**2"
assert python(1/x) == "x = Symbol('x')\ne = 1/x"
assert python(y*x**-2) == "y = Symbol('y')\nx = Symbol('x')\ne =
y/x**2"
assert python(x**Rational(-5, 2)) == "x = Symbol('x')\ne =
x**(Rational(-5, 2))"
# Sums of terms
assert python((x**2 + x + 1)) in [
"x = Symbol('x')\ne = 1 + x + x**2",
"x = Symbol('x')\ne = x + x**2 + 1",
E "x = Symbol('x')\ne = x**2 + x + 1",]
> assert "x = Symbol('x')\ne = x**2 + 1 + x" in ["x = Symbol('x')\ne
= 1 + x +
x**2", "x = Symbol('x')\ne = x + x**2 + 1", "x = Symbol('x')\ne = x**2 + x
+ 1"]
+ where "x = Symbol('x')\ne = x**2 + 1 + x" = python((((x ** 2) +
x) + 1))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_python.py:28:
AssertionError
entrypoint: test_python_functions
def test_python_functions():
# Simple
E assert python((2*x + exp(x))) in "x = Symbol('x')\ne = 2*x + exp(x)"
> assert "x = Symbol('x')\ne = exp(x) + 2*x" in "x = Symbol('x')\ne =
2*x + exp(x)"
+ where "x = Symbol('x')\ne = exp(x) + 2*x" = python(((2 * x) +
exp(x)))
+ where exp(x) = exp(x)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_python.py:70:
AssertionError
entrypoint: test_Add
def test_Add():
assert str(x+y) == "x + y"
assert str(x+1) == "1 + x"
E assert str(x+x**2) == "x + x**2"
> assert 'x**2 + x' == 'x + x**2'
+ where 'x**2 + x' = str((x + (x ** 2)))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_str.py:32:
AssertionError
entrypoint: test_Poly
def test_Poly():
assert str(Poly(0, x)) == "Poly(0, x)"
assert str(Poly(1, x)) == "Poly(1, x)"
assert str(Poly(x, x)) == "Poly(x, x)"
assert str(Poly(2*x + 1, x)) == "Poly(2*x + 1, x)"
assert str(Poly(2*x - 1, x)) == "Poly(2*x - 1, x)"
assert str(Poly(-1, x)) == "Poly(-1, x)"
assert str(Poly(-x, x)) == "Poly(-x, x)"
assert str(Poly(-2*x + 1, x)) == "Poly(-2*x + 1, x)"
assert str(Poly(-2*x - 1, x)) == "Poly(-2*x - 1, x)"
assert str(Poly(x - 1, x, order='lex')) == "Poly(x - 1, x)"
assert str(Poly(x**2 + 1 + y, x)) == "Poly(x**2 + 1 + y, x)"
E assert str(Poly(x**2 - 1 + y, x)) == "Poly(x**2 - 1 + y, x)"
> assert 'Poly(x**2 + y - 1, x)' == 'Poly(x**2 - 1 + y, x)'
+ where 'Poly(x**2 + y - 1, x)' = str(Poly(x**2 + y - 1, x))
+ where Poly(x**2 + y - 1, x) = Poly((((x ** 2) - 1) + y), x)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_str.py:187:
AssertionError
entrypoint: test_set
def test_set():
assert spr(set()) == 'set()'
assert spr(frozenset()) == 'frozenset()'
assert spr(set([1,2,3]))== 'set([1, 2, 3])'
E assert spr(set([1,x,x**2,x**3,x**4])) == 'set([1, x, x**2, x**3,
x**4])'
> assert 'set([x**2, x**3, x**4, 1, x])' == 'set([1, x, x**2, x**3,
x**4])'
+ where 'set([x**2, x**3, x**4, 1, x])' = spr(set([x, x**2, x**3,
x**4, 1]))
+ where set([x, x**2, x**3, x**4, 1]) = set([1, x, x**2, x**3,
x**4])
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_str.py:288:
AssertionError
entrypoint: test_wild_str
def test_wild_str():
# Check expressions containing Wild not causing infinite recursion
w = Wild('x')
assert str(w + 1) == '1 + x_'
E assert str(exp(2**w) + 5) == '5 + exp(2**x_)'
> assert 'exp(2**x_) + 5' == '5 + exp(2**x_)'
+ where 'exp(2**x_) + 5' = str((exp(2**x_) + 5))
+ where exp(2**x_) = exp((2 ** x_))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_str.py:322:
AssertionError
entrypoint: test_bug4
def test_bug4():
e = -2*sqrt(x)-y/sqrt(x)/2
assert str(e) not in ["(-2)*x**1/2(-1/2)*x**(-1/2)*y",
"-2*x**1/2(-1/2)*x**(-1/2)*y","-2*x**1/2-1/2*x**-1/2*w"]
assert str(e) in ["-2*x**(1/2) - 1/2*x**(-1/2)*y", "-2*x**(1/2) -
1/2*y*x**(-1/2)",
"-1/2*x**(-1/2)*y -
2*x**(1/2)", "-1/2*y*x**(-1/2) -
2*x**(1/2)",
E "-2*x**(1/2) - y/(2*x**(1/2))"]
> assert '-y/(2*x**(1/2)) - 2*x**(1/2)' in ['-2*x**(1/2) -
1/2*x**(-1/2)*y',
'-2*x**(1/2) - 1/2*y*x**(-1/2)', '-1/2*x**(-1/2)*y -
2*x**(1/2)', '-1/2*y*x**(-1/2) -
2*x**(1/2)', '-2*x**(1/2) - y/(2*x**(1/2))']
+ where '-y/(2*x**(1/2)) - 2*x**(1/2)' = str(-y/(2*x**(1/2)) -
2*x**(1/2))
/home/buildslave/Buildbot/py2.6-pure/build/sympy/printing/tests/test_str.py:347:
AssertionError
entrypoint: test_solve_poly_system
def test_solve_poly_system():
assert solve_poly_system([x-1], x) == [(S.One,)]
assert solve_poly_system([y - x, y - x - 1], x, y) == None
assert solve_poly_system([y - x**2, y + x**2], x, y) == [(S.Zero,
S.Zero)]
assert solve_poly_system([2*x - 3, 3*y/2 - 2*x, z - 5*y], x, y, z)
== \
[(Rational(3, 2), Integer(2), Integer(10))]
assert solve_poly_system([x*y - 2*y, 2*y**2 - x**2], x, y) == \
[(0, 0), (2, -2**S.Half), (2, 2**S.Half)]
assert solve_poly_system([y - x**2, y + x**2 + 1], x, y) == \
E [(I*S.Half**S.Half, -S.Half), (-I*S.Half**S.Half, -S.Half)]
> AssertionError: (inconsistently failed then succeeded)
/home/buildslave/Buildbot/py2.6-pure/build/sympy/solvers/tests/test_polysys.py:21:
AssertionError
*** XPASS ***
XPASS: test_plotting
XPASS: test_trim_xfail
tests finished: 1183 passed, 2 xpass, 34 xfail, 22 failed, 4 skipped in
73.25 seconds
DO *NOT* COMMIT!
Issue attribute updates:
Labels: -NeedsReview
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