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import unittest
from polymatrix.expressionstate.init.initexpressionstate import init_expression_state
import polymatrix.expression.initexpressionbase
class TestToConstant(unittest.TestCase):
def test_1(self):
terms = {
(0, 0): {
tuple(): 2.0,
((0, 1),): 1.0,
},
(1, 0): {
((0, 2), (1, 1)): 1.0,
((0, 3), (1, 1)): 1.0,
},
(0, 1): {
tuple(): 5.0,
((0, 2), (2, 1),): 1.0,
((3, 1),): 1.0,
},
}
expr = polymatrix.expression.initexpressionbase.init_to_constant_expr(
underlying=polymatrix.expression.initexpressionbase.init_from_terms_expr(terms=terms, shape=(2, 2)),
)
state = init_expression_state(n_param=2)
state, val = expr.apply(state)
data = val.get_poly(0, 0)
self.assertDictEqual({
tuple(): 2.0,
}, data)
data = val.get_poly(0, 1)
self.assertDictEqual({
tuple(): 5.0,
}, data)
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