mirror of https://github.com/VLSIDA/OpenRAM.git
21 lines
816 B
Python
21 lines
816 B
Python
from mpmath import *
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def test_diff():
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assert diff(log, 2.0, n=0).ae(log(2))
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assert diff(cos, 1.0).ae(-sin(1))
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assert diff(abs, 0.0) == 0
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assert diff(abs, 0.0, direction=1) == 1
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assert diff(abs, 0.0, direction=-1) == -1
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assert diff(exp, 1.0).ae(e)
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assert diff(exp, 1.0, n=5).ae(e)
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assert diff(exp, 2.0, n=5, direction=3*j).ae(e**2)
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assert diff(lambda x: x**2, 3.0, method='quad').ae(6)
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assert diff(lambda x: 3+x**5, 3.0, n=2, method='quad').ae(540)
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assert diff(lambda x: 3+x**5, 3.0, n=2, method='step').ae(540)
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assert diffun(sin)(2).ae(cos(2))
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assert diffun(sin, n=2)(2).ae(-sin(2))
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def test_taylor():
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# Easy to test since the coefficients are exact in floating-point
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assert taylor(sqrt, 1, 4) == [1, 0.5, -0.125, 0.0625, -0.0390625]
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