"""Collection of QED valence EKOs."""
import numba as nb
from . import EvoMethods
from .singlet_qed import eko_iterate
[docs]
@nb.njit(cache=True)
def dispatcher(
order,
method,
gamma_valence,
as_list,
a_half,
nf,
ev_op_iterations,
_ev_op_max_order,
):
"""Determine used kernel and call it.
Parameters
----------
order : tuple(int,int)
perturbative order
method : int
method
gamma_singlet : numpy.ndarray
singlet anomalous dimensions matrices
a1 : float
target coupling value
a0 : float
initial coupling value
aem_list : numpy.ndarray
electromagnetic coupling values
nf : int
number of active flavors
ev_op_iterations : int
number of evolution steps
ev_op_max_order : tuple(int,int)
perturbative expansion order of U
Returns
-------
e_v : numpy.ndarray
singlet EKO
"""
if method == EvoMethods.ITERATE_EXACT:
return eko_iterate(
gamma_valence, as_list, a_half, nf, order, ev_op_iterations, 2
)
raise NotImplementedError('Only "iterate-exact" is implemented with QED')