mirror of https://github.com/Jittor/Jittor
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# ***************************************************************
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# Copyright (c) 2020 Jittor. Authors: Dun Liang <randonlang@gmail.com>. All Rights Reserved.
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# This file is subject to the terms and conditions defined in
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# file 'LICENSE.txt', which is part of this source code package.
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# ***************************************************************
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import unittest
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import jittor as jt
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import numpy as np
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from .test_grad import ngrad
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from .test_cuda import test_cuda
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def check(op, *args):
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x = eval(f"np.{op}(*args)")
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y = eval(f"jt.{op}(*args).data")
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convert = lambda x: x.astype("uint8") if x.dtype=="bool" else x
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x = convert(x)
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y = convert(y)
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# str match nan and inf
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assert x.dtype == y.dtype and x.shape == y.shape and str(x)==str(y), f"{x}\n{y}"
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class TestUnaryOp(unittest.TestCase):
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def test_unary_op(self):
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assert jt.float64(1).data.dtype == "float64"
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assert (jt.abs(-1) == 1).data.all()
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assert (abs(-jt.float64(1)) == 1).data.all()
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a = [-1,2,3,0]
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check("abs", a)
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check("negative", a)
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check("logical_not", a)
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check("bitwise_not", a)
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b = [1.1, 2.2, 3.3, 4.4, -1, 0]
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check("log", a)
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check("exp", a)
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check("sqrt", a)
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def test_grad(self):
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ops = ["abs", "negative", "log", "exp", "sqrt",
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"sin", "arcsin", "sinh", "arcsinh",
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"tan", "arctan", "tanh", "arctanh",
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"cos", "arccos", "cosh", "arccosh",
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]
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a = [1.1, 2.2, 3.3, 4.4]
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for op in ops:
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if op == "abs":
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b = np.array(a+[-1,])
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elif op == "arccosh":
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b = np.array(a)
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elif "sin" in op or "cos" in op or "tan" in op:
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b = np.array(a) / 5
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else:
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b = np.array(a)
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func = lambda x: eval(f"np.{op}(x[0]).sum()")
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x, (da,) = ngrad(func, [b], 1e-8)
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ja = jt.array(b)
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jb = eval(f"jt.{op}(ja)")
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jda = jt.grad(jb, ja)
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assert (np.abs(jda.data-da)<1e-5).all(), (jda.data,da,op)
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class TestUnaryOpCuda(TestUnaryOp, test_cuda(2)):
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pass
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if __name__ == "__main__":
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unittest.main() |