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31 lines
821 B
Python
31 lines
821 B
Python
15 years ago
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from wafo.transform import TrData
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12 years ago
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import numpy as np
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15 years ago
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def test_trdata():
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'''
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Construct a linear transformation model
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12 years ago
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'''
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sigma = 5; mean = 1
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u = np.linspace(-5,5)
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x = sigma*u+mean; y = u
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g = TrData(y,x)
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assert(g.mean==1.0)
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print(g.sigma)
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#assert(g.sigma==5.0)
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g = TrData(y,x,mean=1,sigma=5)
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assert(g.mean== 1)
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assert( g.sigma== 5.)
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vals = g.dat2gauss(1,2,3)
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true_vals = [np.array([ 0.]), np.array([ 0.4]), np.array([ 0.6])]
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vals = g.dat2gauss([0,1,2,3])
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true_vals = np.array([-0.2, 0. , 0.2, 0.4])
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assert((np.abs(vals-true_vals)<1e-7).all())
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#Check that the departure from a Gaussian model is zero
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assert(g.dist2gauss() < 1e-16)
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15 years ago
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if __name__=='__main__':
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12 years ago
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import nose
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nose.run()
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