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import unittest
import polymatrix.expression.initexpressionbase
from polymatrix.expressionstate.init.initexpressionstate import init_expression_state
class TestToMatrixRepr(unittest.TestCase):
def test_1(self):
underlying_terms = {
(0, 0): {
tuple(): 1.0,
((1, 1),): 2.0,
},
(1, 0): {
((0, 1),): 4.0,
((0, 1), (1, 1)): 3.0,
((1, 2),): 5.0,
},
(2, 0): {
((0, 1), (1, 2)): 3.0,
},
}
variable_terms = {
(0, 0): {((0, 1),): 1},
(1, 0): {((1, 1),): 1},
}
expr = polymatrix.expression.initexpressionbase.init_from_terms_expr(terms=underlying_terms, shape=(3, 1))
state = init_expression_state(n_param=2)
state, result = polymatrix.to_matrix_repr(
(expr,),
polymatrix.expression.initexpressionbase.init_from_terms_expr(terms=variable_terms, shape=(2, 1),),
).apply(state)
A0 = result.data[0][0]
A1 = result.data[0][1]
A2 = result.data[0][2]
A3 = result.data[0][3]
self.assertEquals(A0[0, 0], 1.0)
self.assertEquals(A1[0, 1], 2.0)
self.assertEquals(A1[1, 0], 4.0)
self.assertEquals(A2[1, 1], 1.5)
self.assertEquals(A2[1, 2], 1.5)
self.assertEquals(A2[1, 3], 5.0)
self.assertEquals(A3[2, 3], 1.0)
self.assertEquals(A3[2, 5], 1.0)
self.assertEquals(A3[2, 6], 1.0)
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