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import unittest
from polymatrix.expressionstate.init.initexpressionstate import init_expression_state
import polymatrix.expression.initexpressionbase
class TestEval(unittest.TestCase):
def test_1(self):
terms = {
(0, 0): {
((0, 1), (2, 1)): 2.0,
((0, 1), (1, 1), (3, 1)): 3.0,
}, (1, 0):{
tuple(): 1.0,
((1, 2),): 1.0,
((2, 1),): 1.0,
},
}
expr = polymatrix.expression.initexpressionbase.init_eval_expr(
underlying=polymatrix.expression.initexpressionbase.init_from_terms_expr(terms=terms, shape=(2, 1)),
variables=(0, 1),
values=(2.0, 3.0),
)
state = init_expression_state(n_param=2)
state, val = expr.apply(state)
data = val.get_poly(0, 0)
self.assertDictEqual({
((2, 1),): 4.0,
((3, 1),): 18.0,
}, data)
data = val.get_poly(1, 0)
self.assertDictEqual({
tuple(): 10.0,
((2, 1),): 1,
}, data)
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