mirror of https://github.com/commaai/tinygrad.git
75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
import unittest
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import numpy as np
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from tinygrad import Tensor, Variable
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class TestTensorVariable(unittest.TestCase):
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def test_add_tvar(self):
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vv = Variable("a", 0, 10)
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vv.bind(1)
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ret = (Tensor(vv) + 3).item()
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assert ret == 4
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def test_inner_tvar_node(self):
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vv = Variable("w", 0, 10)
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vv.bind(2)
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ret = Tensor.from_node(vv * 4).item()
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assert ret == 8
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def test_inner_tvar_mul(self):
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vv = Variable("w", 0, 10)
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vv.bind(2)
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assert (Tensor(3) * vv).item() == 6
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def test_inner_tvar_mul_node(self):
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vv = Variable("w", 0, 10)
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vv.bind(2)
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assert (Tensor(3) * (vv * 4)).item() == 24
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def test_symbolic_mean(self):
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vv = Variable("a", 1, 10).bind(2)
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t = Tensor.ones(2, 2).contiguous().reshape(2, vv)
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ret = t.mean().item()
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assert ret == 1
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def test_symbolic_mean_2d(self):
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vv = Variable("a", 1, 10).bind(2)
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vv2 = Variable("b", 1, 10).bind(2)
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t = Tensor.ones(2, 2).contiguous().reshape(vv2, vv)
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ret = t.mean().item()
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assert ret == 1
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def test_symbolic_mean_2d_axis_1(self):
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vv = Variable("a", 1, 10).bind(2)
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vv2 = Variable("b", 1, 10).bind(2)
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t = Tensor.ones(2, 2).contiguous().reshape(vv2, vv)
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ret = t.mean(axis=1).reshape(2, 1).numpy()
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assert np.all(ret == 1)
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@unittest.expectedFailure
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def test_symbolic_mean_2d_add(self):
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add_term = Variable("c", 0, 10)
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add_term.bind(1)
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vv = Variable("a", 1, 10)
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vv.bind(1)
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vv2 = Variable("b", 1, 10)
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vv2.bind(1)
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t = Tensor.ones(2, 2).contiguous().reshape(vv2+add_term, vv+add_term)
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ret = t.mean().item()
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assert ret == 1
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def test_symbolic_var(self):
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vv = Variable("a", 1, 10).bind(2)
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t = Tensor.ones(2, 2).contiguous().reshape(2, vv)
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ret = t.var().item()
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assert ret == 0
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@unittest.skip("symbolic arange isn't supported")
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def test_symbolic_arange(self):
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vv = Variable("a", 1, 10)
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vv.bind(2)
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ret = Tensor.arange(0, vv)
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ret.realize()
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if __name__ == '__main__':
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unittest.main()
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