29 lines
919 B
Python
29 lines
919 B
Python
import timeit
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import numpy as np
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import cosmotool as ct
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def myfun(N):
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f=0.001
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L = 1.0
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d=np.random.normal(size=(N,)*3) * np.sqrt(float(N))**3 / L**3
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rho = d + f *(d*d - np.average(d*d))
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delta = (L/N)**3
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B = ct.bispectrum(rho * delta, 1, N, fourier=False)
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P = ct.powerspectrum(rho * delta, 1, N, fourier=False)
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PP = P[1]/P[0] / L**3
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x = PP[:,None,None] * PP[None,:,None] + PP[:,None,None]*PP[None,None,:] + PP[None,:,None]*PP[None,None,:]
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BB = B[1]/B[0] / L**3
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y = BB/x
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np.savez("bispec_%d.npz" % N, x=x, y=y, d=d,B_nt=B[0], B_r=B[1], P_n=P[0], P=P[1], BB=BB, rho=rho, PP=PP);
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#print( timeit.timeit('from __main__ import myfun; myfun(16)', number=1) )
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#print( timeit.timeit('from __main__ import myfun; myfun(24)', number=1) )
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print( timeit.timeit('from __main__ import myfun; myfun(32)', number=1) )
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#print( timeit.timeit('from __main__ import myfun; myfun(64)', number=1) )
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