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merged (hard) the util from devel

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This commit is contained in:
James Hensman 2014-01-24 09:50:49 +00:00
parent 375e2f6225
commit 28c899926a
17 changed files with 1426 additions and 296 deletions
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14
GPy/util/misc.py
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@ -32,18 +32,6 @@ def chain_3(d3f_dg3, dg_dx, d2f_dg2, d2g_dx2, df_dg, d3g_dx3):
"""
return d3f_dg3*(dg_dx**3) + 3*d2f_dg2*dg_dx*d2g_dx2 + df_dg*d3g_dx3
### make a parameter to its corresponding array:
def param_to_array(*param):
"""
Convert an arbitrary number of parameters to :class:ndarray class objects. This is for
converting parameter objects to numpy arrays, when using scipy.weave.inline routine.
In scipy.weave.blitz there is no automatic array detection (even when the array inherits
from :class:ndarray)"""
assert len(param) > 0, "At least one parameter needed"
if len(param) == 1:
return param[0].view(np.ndarray)
return map(lambda x: x.view(np.ndarray), param)
def opt_wrapper(m, **kwargs):
"""
This function just wraps the optimization procedure of a GPy
@ -171,7 +159,6 @@ def fast_array_equal(A, B):
elif ((A == None) and (B != None)) or ((A != None) and (B == None)):
return False
elif A.shape == B.shape:
A, B = param_to_array(A, B)
if A.ndim == 2:
N, D = [int(i) for i in A.shape]
value = weave.inline(code2, support_code=support_code,
@ -187,6 +174,7 @@ def fast_array_equal(A, B):
return value
if __name__ == '__main__':
import pylab as plt
X = np.linspace(1,10, 100)[:, None]