Esempio n. 1
0
 def testVector(self):
     solver = Solver()
     a = vector(2)
     solver.eq(vector([1, 2]) + a, vector([3, 3]))
     self.failUnlessAlmostEqual(float(a.x), 2)
     self.failUnlessAlmostEqual(float(a.y), 1)
     b = vector(2)
     solver.eq(a*b) # => solver.eq(a*b, 0)
     solver.eq(b.y, 2)
     self.failUnlessAlmostEqual(float(b.x), -1)
Esempio n. 2
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 def testMath(self):
     self.failUnlessEqual(str(-matrix([2, 3], "A")), "unnamed_matrix{=((unnamed_scalar{=-1.0} * A[0, 0], unnamed_scalar{=-1.0} * A[0, 1], unnamed_scalar{=-1.0} * A[0, 2]), (unnamed_scalar{=-1.0} * A[1, 0], unnamed_scalar{=-1.0} * A[1, 1], unnamed_scalar{=-1.0} * A[1, 2]))}")
     self.failUnlessEqual(str(matrix([2, 3], "A") + matrix([2, 3], "B")), "unnamed_matrix{=((A[0, 0]  +  B[0, 0], A[0, 1]  +  B[0, 1], A[0, 2]  +  B[0, 2]), (A[1, 0]  +  B[1, 0], A[1, 1]  +  B[1, 1], A[1, 2]  +  B[1, 2]))}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), 1)
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), vector(3))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), matrix([2, 4]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), matrix([3, 3]))
     self.failUnlessEqual(str(matrix([2, 3], "A") - matrix([2, 3], "B")), "unnamed_matrix{=((unnamed_scalar{=-1.0} * B[0, 0]  +  A[0, 0], unnamed_scalar{=-1.0} * B[0, 1]  +  A[0, 1], unnamed_scalar{=-1.0} * B[0, 2]  +  A[0, 2]), (unnamed_scalar{=-1.0} * B[1, 0]  +  A[1, 0], unnamed_scalar{=-1.0} * B[1, 1]  +  A[1, 1], unnamed_scalar{=-1.0} * B[1, 2]  +  A[1, 2]))}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), 1)
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), vector(3))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), matrix([2, 4]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), matrix([3, 3]))
     self.failUnlessEqual(str(2 * matrix([2, 3], "A")), "unnamed_matrix{=((A[0, 0] * unnamed_scalar{=2.0}, A[0, 1] * unnamed_scalar{=2.0}, A[0, 2] * unnamed_scalar{=2.0}), (A[1, 0] * unnamed_scalar{=2.0}, A[1, 1] * unnamed_scalar{=2.0}, A[1, 2] * unnamed_scalar{=2.0}))}")
     self.failUnlessEqual(str(matrix([2, 3], "A") * 2), "unnamed_matrix{=((A[0, 0] * unnamed_scalar{=2.0}, A[0, 1] * unnamed_scalar{=2.0}, A[0, 2] * unnamed_scalar{=2.0}), (A[1, 0] * unnamed_scalar{=2.0}, A[1, 1] * unnamed_scalar{=2.0}, A[1, 2] * unnamed_scalar{=2.0}))}")
     self.failUnlessEqual(str(matrix([2, 3], "A") * vector(3, "a")), "unnamed_vector{=(A[0, 0] * a[0]  +  A[0, 1] * a[1]  +  A[0, 2] * a[2], A[1, 0] * a[0]  +  A[1, 1] * a[1]  +  A[1, 2] * a[2])}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__mul__, vector(2, "a"), matrix([2, 3], "A"))
     self.failUnlessEqual(str(matrix([2, 3], "A") * matrix([3, 2], "B")), "unnamed_matrix{=((A[0, 0] * B[0, 0]  +  A[0, 1] * B[1, 0]  +  A[0, 2] * B[2, 0], A[0, 0] * B[0, 1]  +  A[0, 1] * B[1, 1]  +  A[0, 2] * B[2, 1]), (A[1, 0] * B[0, 0]  +  A[1, 1] * B[1, 0]  +  A[1, 2] * B[2, 0], A[1, 0] * B[0, 1]  +  A[1, 1] * B[1, 1]  +  A[1, 2] * B[2, 1]))}")
     self.failUnlessEqual(str(matrix([2, 3], "A") / 2.0), "unnamed_matrix{=((unnamed_scalar{=0.5} * A[0, 0], unnamed_scalar{=0.5} * A[0, 1], unnamed_scalar{=0.5} * A[0, 2]), (unnamed_scalar{=0.5} * A[1, 0], unnamed_scalar{=0.5} * A[1, 1], unnamed_scalar{=0.5} * A[1, 2]))}")
     self.failUnlessEqual(str(matrix([2, 3], "A") / 2), "unnamed_matrix{=((unnamed_scalar{=0.0} * A[0, 0], unnamed_scalar{=0.0} * A[0, 1], unnamed_scalar{=0.0} * A[0, 2]), (unnamed_scalar{=0.0} * A[1, 0], unnamed_scalar{=0.0} * A[1, 1], unnamed_scalar{=0.0} * A[1, 2]))}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar(), matrix([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar() + scalar(), matrix([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1), matrix([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, matrix([2, 3]), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, matrix([2, 3]), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, matrix([2, 3]), vector(1))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, matrix([2, 3]), matrix([2, 3]))
Esempio n. 3
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 def testMath(self):
     self.failUnlessEqual(str(-trafo([2, 3], "A")), str(trafo((-matrix([2, 3], "A_matrix"), -vector(2, "A_vector")))))
     self.failUnlessEqual(str(trafo([2, 3], "A") + trafo([2, 3], "B")), str(trafo((matrix([2, 3], "A_matrix") + matrix([2, 3], "B_matrix"), vector(2, "A_vector") + vector(2, "B_vector")))))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, 1, trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), 1)
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, scalar(), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, scalar() + scalar(), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, vector(2), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, vector(3), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), vector(3))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, matrix([2, 3]), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), matrix([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), trafo([2, 4]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, trafo([2, 3]), trafo([3, 3]))
     self.failUnlessEqual(str(trafo([2, 3], "A") - trafo([2, 3], "B")), str(trafo((matrix([2, 3], "A_matrix") - matrix([2, 3], "B_matrix"), vector(2, "A_vector") - vector(2, "B_vector")))))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, 1, trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), 1)
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, scalar(), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, scalar() + scalar(), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, vector(2), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, vector(3), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), vector(3))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, matrix([2, 3]), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), matrix([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), trafo([2, 4]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, trafo([2, 3]), trafo([3, 3]))
     self.failUnlessEqual(str(trafo([2, 3], "A") * trafo([3, 4], "B")), str(trafo((matrix([2, 3], "A_matrix") * matrix([3, 4], "B_matrix"), vector(2, "A_vector") + matrix([2, 3], "A_matrix") * vector(3, "B_vector")))))
     self.failUnlessEqual(str(2 * trafo([2, 3], "A")), str(trafo((2 * matrix([2, 3], "A_matrix"), 2 * vector(2, "A_vector")))))
     self.failUnlessEqual(str(trafo([2, 3], "A") * 2), str(trafo((matrix([2, 3], "A_matrix") * 2, vector(2, "A_vector") * 2))))
     self.failUnlessEqual(str(scalar() * trafo([2, 3], "A")), str(trafo((scalar() * matrix([2, 3], "A_matrix"), scalar() * vector(2, "A_vector")))))
     self.failUnlessEqual(str(trafo([2, 3], "A") * scalar()), str(trafo((matrix([2, 3], "A_matrix") * scalar(), vector(2, "A_vector") * scalar()))))
     self.failUnlessEqual(str((scalar() + scalar()) * trafo([2, 3], "A")), str(trafo(((scalar() + scalar()) * matrix([2, 3], "A_matrix"), (scalar() + scalar()) * vector(2, "A_vector")))))
     self.failUnlessEqual(str(trafo([2, 3], "A") * (scalar() + scalar())), str(trafo((matrix([2, 3], "A_matrix") * (scalar() + scalar()), vector(2, "A_vector") * (scalar() + scalar())))))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__mul__, vector(2), trafo([2, 3]))
     self.failUnlessEqual(str(trafo([2, 3], "A") * vector(3, "a")), str(matrix([2, 3], "A_matrix") * vector(3, "a") + vector(2, "A_vector")))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__mul__, trafo([2, 3]), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__mul__, matrix([3, 2]), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__mul__, trafo([2, 3]), matrix([3, 2]))
     self.failUnlessEqual(str(trafo([2, 3], "A") / 2.0), str(trafo((matrix([2, 3], "A_matrix") / 2.0, vector(2, "A_vector") / 2.0))))
     self.failUnlessEqual(str(trafo([2, 3], "A") / 2), str(trafo((matrix([2, 3], "A_matrix") / 2, vector(2, "A_vector") / 2))))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar(), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar() + scalar(), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, matrix([2, 3]), trafo([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, trafo([2, 3]), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, trafo([2, 3]), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, trafo([2, 3]), vector(1))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, trafo([2, 3]), matrix([2, 3]))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, trafo([2, 3]), trafo([2, 3]))
Esempio n. 4
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 def testMatrix(self):
     solver = Solver()
     A = matrix([2, 2])
     solver.eq(A*vector([1, -1]), vector([2, 0]))
     solver.eq(A*vector([1, 1]), vector([0, 2]))
     self.failUnlessAlmostEqual(float(A[0, 0]), 1)
     self.failUnlessAlmostEqual(float(A[0, 1]), -1)
     self.failUnlessAlmostEqual(float(A[1, 0]), 1)
     self.failUnlessAlmostEqual(float(A[1, 1]), 1)
     B = matrix([2, 2])
     solver.eq(A*B, identitymatrix(2))
     self.failUnlessAlmostEqual(float(B[0, 0]), 0.5)
     self.failUnlessAlmostEqual(float(B[0, 1]), 0.5)
     self.failUnlessAlmostEqual(float(B[1, 0]), -0.5)
     self.failUnlessAlmostEqual(float(B[1, 1]), 0.5)
     self.failUnlessAlmostEqual(float((B * vector([2, 0]))[0]), 1)
     self.failUnlessAlmostEqual(float((B * vector([2, 0]))[1]), -1)
     self.failUnlessAlmostEqual(float((B * vector([0, 2]))[0]), 1)
     self.failUnlessAlmostEqual(float((B * vector([0, 2]))[1]), 1)
Esempio n. 5
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 def testTrafo(self):
     solver = Solver()
     A = trafo([2, 2])
     solver.eq(A.getmatrix()[0, 0], A.getmatrix()[1, 1]) # restrict to rotation + scaling + translation
     solver.eq(A.getmatrix()[0, 1], -A.getmatrix()[1, 0])
     solver.eq(A*vector([0, 1]), vector([-1, 2]))
     solver.eq(A*vector([1, 0]), vector([1, 4]))
     self.failUnlessEqual(float((A * vector([0, 0]))[0]), 1)
     self.failUnlessEqual(float((A * vector([0, 0]))[1]), 2)
     self.failUnlessEqual(float(A.getmatrix()[0, 0]), 0)
     self.failUnlessEqual(float(A.getmatrix()[0, 1]), -2)
     self.failUnlessEqual(float(A.getmatrix()[1, 0]), 2)
     self.failUnlessEqual(float(A.getmatrix()[1, 1]), 0)
     B = trafo([2, 2])
     solver.eq(A*B, identitytrafo(2))
     self.failUnlessEqual(float((B * vector([0, 0]))[0]), -1)
     self.failUnlessEqual(float((B * vector([0, 0]))[1]), 0.5)
     self.failUnlessEqual(float(B.getmatrix()[0, 0]), 0)
     self.failUnlessEqual(float(B.getmatrix()[0, 1]), 0.5)
     self.failUnlessEqual(float(B.getmatrix()[1, 0]), -0.5)
     self.failUnlessEqual(float(B.getmatrix()[1, 1]), 0)
Esempio n. 6
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# this example is adapted from a MetaPost example by Hans Hagen

import sys; sys.path.insert(0, "../..")
from pyx import *
from solve import scalar, vector, solver

# define the inner quadrilateral
p = vector([0, 0])
q = vector([2, 5])
r = vector([8, 6])
s = vector([5, -1])

# some points of the outer squares are equal to points of the inner quadrilateral
z11 = p
z12 = q
z21 = q
z22 = r
z31 = r
z32 = s
z41 = s
z42 = p

# complete the definition of the outer squares
z1diff = z12 - z11
z2diff = z22 - z21
z3diff = z32 - z31
z4diff = z42 - z41

z13 = vector([z12.x-z1diff.y, z12.y+z1diff.x])
z14 = vector([z11.x-z1diff.y, z11.y+z1diff.x])
z23 = vector([z22.x-z2diff.y, z22.y+z2diff.x])
Esempio n. 7
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    def testAccess(self):
        a = vector(2)
        self.failUnlessEqual(str(a), "unnamed_vector{=(unnamed_vector[0], unnamed_vector[1])}")
        self.failUnlessEqual(a[0].is_set(), 0)
        self.failUnlessEqual(a.x.is_set(), 0)
        self.failUnlessEqual(a[1].is_set(), 0)
        self.failUnlessEqual(a.y.is_set(), 0)
        self.failUnlessRaises(IndexError, operator.__getitem__, a, 2)
        self.failUnlessRaises(IndexError, getattr, a, "z")

        a[0].set(2)
        self.failUnlessEqual(str(a), "unnamed_vector{=(unnamed_vector[0]{=2.0}, unnamed_vector[1])}")
        self.failUnlessAlmostEqual(a[0].get(), 2.0)
        self.failUnlessAlmostEqual(float(a[0]), 2.0)
        self.failUnlessAlmostEqual(a.x.get(), 2.0)
        self.failUnlessAlmostEqual(float(a.x), 2.0)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), a[1].get)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), float, a[1])
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), a.y.get)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), float, a.y)
        self.failUnlessEqual(a[0].is_set(), 1)
        self.failUnlessEqual(a.x.is_set(), 1)
        self.failUnlessEqual(a[1].is_set(), 0)
        self.failUnlessEqual(a.y.is_set(), 0)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), a[0].set, 3)
        self.failUnlessAlmostEqual(a[0].get(), 2.0)
        self.failUnlessAlmostEqual(float(a[0]), 2.0)
        self.failUnlessAlmostEqual(a.x.get(), 2.0)
        self.failUnlessAlmostEqual(float(a.x), 2.0)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), a[1].get)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), float, a[1])
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), a.y.get)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), float, a.y)
        self.failUnlessEqual(a[0].is_set(), 1)
        self.failUnlessEqual(a.x.is_set(), 1)
        self.failUnlessEqual(a[1].is_set(), 0)
        self.failUnlessEqual(a.y.is_set(), 0)

        a[1].set(3)
        self.failUnlessEqual(str(a), "unnamed_vector{=(unnamed_vector[0]{=2.0}, unnamed_vector[1]{=3.0})}")
        self.failUnlessAlmostEqual(a[0].get(), 2.0)
        self.failUnlessAlmostEqual(float(a[0]), 2.0)
        self.failUnlessAlmostEqual(a.x.get(), 2.0)
        self.failUnlessAlmostEqual(float(a.x), 2.0)
        self.failUnlessAlmostEqual(a[1].get(), 3.0)
        self.failUnlessAlmostEqual(float(a[1]), 3.0)
        self.failUnlessAlmostEqual(a.y.get(), 3.0)
        self.failUnlessAlmostEqual(float(a.y), 3.0)
        self.failUnlessEqual(a[0].is_set(), 1)
        self.failUnlessEqual(a.x.is_set(), 1)
        self.failUnlessEqual(a[1].is_set(), 1)
        self.failUnlessEqual(a.y.is_set(), 1)
        self.failUnlessRaises((RuntimeError, AttributeError, TypeError), a[0].set, 4)
        self.failUnlessAlmostEqual(a[0].get(), 2.0)
        self.failUnlessAlmostEqual(float(a[0]), 2.0)
        self.failUnlessAlmostEqual(a.x.get(), 2.0)
        self.failUnlessAlmostEqual(float(a.x), 2.0)
        self.failUnlessAlmostEqual(a[1].get(), 3.0)
        self.failUnlessAlmostEqual(float(a[1]), 3.0)
        self.failUnlessAlmostEqual(a.y.get(), 3.0)
        self.failUnlessAlmostEqual(float(a.y), 3.0)
        self.failUnlessEqual(a[0].is_set(), 1)
        self.failUnlessEqual(a.x.is_set(), 1)
        self.failUnlessEqual(a[1].is_set(), 1)
        self.failUnlessEqual(a.y.is_set(), 1)

        a = vector([1, 2, 3])
        self.failUnlessEqual(str(a.x), "unnamed_vector[0]{=1.0}")
        self.failUnlessEqual(str(a.y), "unnamed_vector[1]{=2.0}")
        self.failUnlessEqual(str(a.z), "unnamed_vector[2]{=3.0}")
Esempio n. 8
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 def testInit(self):
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), vector, 0, 0)
     self.failUnlessEqual(str(vector(2)), "unnamed_vector{=(unnamed_vector[0], unnamed_vector[1])}")
     self.failUnlessEqual(str(vector([1, 2])), "unnamed_vector{=(unnamed_vector[0]{=1.0}, unnamed_vector[1]{=2.0})}")
     self.failUnlessEqual(str(vector(3, "a")), "a{=(a[0], a[1], a[2])}")
     self.failUnlessEqual(str(vector([3, 2, 1], "a")), "a{=(a[0]{=3.0}, a[1]{=2.0}, a[2]{=1.0})}")
Esempio n. 9
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 def testAccess(self):
     m = matrix([2, 3])
     v = vector(2)
     t = trafo((m, v))
     self.failUnlessEqual(t.getmatrix(), m)
     self.failUnlessEqual(t.getvector(), v)
Esempio n. 10
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 def testInit(self):
     self.failUnlessEqual(str(trafo((2, 3))), "unnamed_trafo{=(matrix: unnamed_trafo_matrix{=((unnamed_trafo_matrix[0, 0], unnamed_trafo_matrix[0, 1], unnamed_trafo_matrix[0, 2]), (unnamed_trafo_matrix[1, 0], unnamed_trafo_matrix[1, 1], unnamed_trafo_matrix[1, 2]))}, vector: unnamed_trafo_vector{=(unnamed_trafo_vector[0], unnamed_trafo_vector[1])})}")
     self.failUnlessEqual(str(trafo((2, 3), "A")), "A{=(matrix: A_matrix{=((A_matrix[0, 0], A_matrix[0, 1], A_matrix[0, 2]), (A_matrix[1, 0], A_matrix[1, 1], A_matrix[1, 2]))}, vector: A_vector{=(A_vector[0], A_vector[1])})}")
     self.failUnlessEqual(str(trafo((matrix([2, 3], "B"), vector(2, "c")), "A")), "A{=(matrix: B{=((B[0, 0], B[0, 1], B[0, 2]), (B[1, 0], B[1, 1], B[1, 2]))}, vector: c{=(c[0], c[1])})}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), trafo, (matrix([2, 3]), vector(3)))
Esempio n. 11
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 def testMath(self):
     self.failUnlessEqual(str(-vector(2, "a")), "unnamed_vector{=(unnamed_scalar{=-1.0} * a[0], unnamed_scalar{=-1.0} * a[1])}")
     self.failUnlessEqual(str(vector(2, "a") + vector(2, "b")), "unnamed_vector{=(a[0]  +  b[0], a[1]  +  b[1])}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, 1, vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, vector(2), 1)
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, scalar(), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, vector(2), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, scalar() + scalar(), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, vector(2), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__add__, vector(2), vector(3))
     self.failUnlessEqual(str(vector(2, "a") - vector(2, "b")), "unnamed_vector{=(unnamed_scalar{=-1.0} * b[0]  +  a[0], unnamed_scalar{=-1.0} * b[1]  +  a[1])}")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, 1, vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, vector(2), 1)
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, scalar(), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, vector(2), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, scalar() + scalar(), vector(2))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, vector(2), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__sub__, vector(2), vector(3))
     self.failUnlessEqual(str(2 * vector(2, "a")), "unnamed_vector{=(a[0] * unnamed_scalar{=2.0}, a[1] * unnamed_scalar{=2.0})}")
     self.failUnlessEqual(str(vector(2, "a") * 2), "unnamed_vector{=(a[0] * unnamed_scalar{=2.0}, a[1] * unnamed_scalar{=2.0})}")
     self.failUnlessEqual(str(scalar(name="s") * vector(2, "a")), "unnamed_vector{=(a[0] * s, a[1] * s)}")
     self.failUnlessEqual(str(scalar(name="s") * (vector(2, "a") + vector(2, "b"))), "unnamed_vector{=(a[0] * s  +  b[0] * s, a[1] * s  +  b[1] * s)}")
     self.failUnlessEqual(str((scalar(name="s") + scalar(name="t")) * vector(2, "a")), "unnamed_vector{=(a[0] * s  +  a[0] * t, a[1] * s  +  a[1] * t)}")
     self.failUnlessEqual(str((scalar(name="s") + scalar(name="t")) * (vector(2, "a") + vector(2, "b"))), "unnamed_vector{=(a[0] * s  +  b[0] * s  +  a[0] * t  +  b[0] * t, a[1] * s  +  b[1] * s  +  a[1] * t  +  b[1] * t)}")
     self.failUnlessEqual(str(vector(2, "a") * scalar(name="s")), "unnamed_vector{=(a[0] * s, a[1] * s)}")
     self.failUnlessEqual(str(vector(2, "a") * vector(2, "b")), "a[0] * b[0]  +  a[1] * b[1]")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__mul__, vector(2, "a"), vector(3))
     self.failUnlessEqual(str(vector(2, "a") / 2.0), "unnamed_vector{=(unnamed_scalar{=0.5} * a[0], unnamed_scalar{=0.5} * a[1])}")
     self.failUnlessEqual(str(vector(2, "a") / 2), "unnamed_vector{=(unnamed_scalar{=0.0} * a[0], unnamed_scalar{=0.0} * a[1])}") # integer logic!
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar(), vector(1))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar() + scalar(), vector(1))
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1), scalar() + scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1), vector(1))
Esempio n. 12
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 def testMath(self):
     self.failUnlessEqual(str(-scalar(name="s")), "unnamed_scalar{=-1.0} * s")
     self.failUnlessEqual(str(scalar(name="s") + scalar(name="t")), "s  +  t")
     self.failUnlessEqual(str(scalar(name="s") + 1), "s  +  unnamed_scalar{=1.0}")
     self.failUnlessEqual(str(1 + scalar(name="s")), "s  +  unnamed_scalar{=1.0}")
     self.failUnlessEqual(str(scalar(name="s") - scalar(name="t")), "unnamed_scalar{=-1.0} * t  +  s")
     self.failUnlessEqual(str(1 - scalar(name="s")), "unnamed_scalar{=-1.0} * s  +  unnamed_scalar{=1.0}")
     self.failUnlessEqual(str(2 * scalar(name="s")), "s * unnamed_scalar{=2.0}")
     self.failUnlessEqual(str(scalar(name="s") * 2), "s * unnamed_scalar{=2.0}")
     self.failUnlessEqual(str(scalar(name="s") * scalar(name="t")), "s * t")
     self.failUnlessEqual(str((scalar(name="s") + scalar(name="t")) * 2), "s * unnamed_scalar{=2.0}  +  t * unnamed_scalar{=2.0}")
     self.failUnlessEqual(str(scalar(name="s") / 2.0), "unnamed_scalar{=0.5} * s")
     self.failUnlessEqual(str(scalar(name="s") / 2), "unnamed_scalar{=0.0} * s") # integer logic!
     self.failUnlessEqual(str((scalar(name="s") + scalar(name="t")) / 2.0), "unnamed_scalar{=0.5} * s  +  unnamed_scalar{=0.5} * t")
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, 2, scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar(), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, scalar() + scalar(), scalar())
     self.failUnlessRaises((RuntimeError, AttributeError, TypeError), operator.__div__, vector(1) + vector(1), scalar())
Esempio n. 13
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 def testLen(self):
     for i in range(1, 5):
         a = vector(i)
         self.failUnlessEqual(len(a), i)
         self.failUnlessEqual(str(a), "unnamed_vector{=(" + ", ".join(["unnamed_vector[%i]" % j for j in range(i)]) + ")}")
Esempio n. 14
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import sys; sys.path.insert(0, "../..")
from pyx import *
from solve import scalar, vector, solver

A = vector([0, 0], "A")
B = vector([10, 5], "B")
C = vector([0, 10], "C")
D = vector([scalar(), 0], "D")

solver.eq((B-A)*(D-C), 0)

def line(p1, p2):
    return path.line(float(p1.x), float(p1.y), float(p2.x), float(p2.y))

c = canvas.canvas()

c.stroke(line(A, B))
c.stroke(line(C, D))

c.writeEPSfile()
c.writePDFfile()