def daal_kernel(name, fptype, gamma=1.0):
if name == 'linear':
return kernel_function_linear(fptype=fptype)
else:
sigma = np.sqrt(0.5 / gamma)
return kernel_function_rbf(fptype=fptype, sigma=sigma)
def _daal4py_kf(kernel, X_fptype, gamma=1.0):
if kernel == 'rbf':
sigma_value = np.sqrt(0.5/gamma)
kf = daal4py.kernel_function_rbf(fptype=X_fptype, sigma=sigma_value)
elif kernel == 'linear':
kf = daal4py.kernel_function_linear(fptype=X_fptype)
else:
raise ValueError("_daal4py_fit received unexpected kernel specifiction {}.".format(kernel))
return kf
