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@ -358,17 +358,21 @@ class LevinQuadrature(unittest.TestCase):
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f2 = f(t, beta, z1)*np.exp(1j*R*g(t, beta, z1))
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true_val2 = np.trapz(f2, t)
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plt.plot(t, f2.real, t, f2.imag, 'r')
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plt.title('integral=%g+1j%g, '
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plt.plot(t, f2.real, label='f.real')
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plt.plot(t, f2.imag, 'r', label='f.imag')
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plt.title('integral=%g+1j%g,\n'
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'(%g+1j%g)' % (true_val2.real, true_val2.imag,
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true_val.real, true_val.imag))
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plt.legend(loc='best', framealpha=0.5)
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plt.subplot(2, 1, 2)
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plt.plot(t, dg(t, beta, z1), 'r')
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plt.plot(t, g(t, beta, z1))
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plt.plot(t, dg(t, beta, z1), 'r',
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label='dg(t,b={},z={})'.format(beta, z1))
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plt.plot(t, g(t, beta, z1), label='g(t,b,z)')
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plt.hlines(0, a, b)
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plt.axis([a, b, -5, 5])
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plt.title('beta=%g' % beta)
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print(np.trapz(f2, t))
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plt.legend(loc='best', framealpha=0.5)
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plt.show('hold')
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# true_val = 0.00253186684281+0.004314054498j
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# s = 15
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@ -380,6 +384,7 @@ class LevinQuadrature(unittest.TestCase):
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# assert_allclose(val, complex(true_val), rtol=1e-3)
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# s = 1 if s<=1 else s//2
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pass
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assert(False)
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if __name__ == "__main__":
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