# Path: blond/utils/bmath.py
# def use_mpi():
# def mpiMode():
# def use_fftw():
# def use_precision(_precision='double'):
# def update_active_dict(new_dict):


import unittest
import numpy as np
        import scipy.integrate
        import scipy.integrate
        import scipy.integrate
        import scipy.integrate
from blond.utils import bmath as bm


        impedance_c = bm.fast_resonator(R_S, Q, freq_a, freq_R)

        np.testing.assert_almost_equal(
            impedance_py, impedance_c, decimal=decimal)


    def test_fast_resonator_py2_V_C_4(self):
        n_resonators = 20
        size = 1000
        decimal = 14

        freq_a = np.random.randn(size)
        R_S = np.random.randn(n_resonators)
        Q = np.random.randn(n_resonators)
        freq_R = np.random.randn(n_resonators)
        impedance_py = np.zeros(len(freq_a), complex)
        for res in range(0, n_resonators):
            Qsquare = Q[res] * Q[res]
            for freq in range(1, len(freq_a)):
                commonTerm = (freq_a[freq] / freq_R[res]
                              - freq_R[res]/freq_a[freq])
                impedance_py.real[freq] += R_S[res] \
                    / (1. + Qsquare * commonTerm * commonTerm)
                impedance_py.imag[freq] -= R_S[res] * (Q[res] * commonTerm) \
                    / (1. + Qsquare * commonTerm * commonTerm)
            # impedance_py[1:] += R_S[i] / (1 + 1j * Q[i] *
            #                               (freq_a[1:] / freq_R[i] -
            #                                  freq_R[i] / freq_a[1:]))


# Path: blond/utils/bmath.py
# def use_mpi():
# def mpiMode():
# def use_fftw():
# def use_precision(_precision='double'):
# def update_active_dict(new_dict):


# Path: unittests/utils/test_blondmath.py
import unittest
import numpy as np
        import scipy.integrate
        import scipy.integrate
        import scipy.integrate
        import scipy.integrate
from blond.utils import bmath as bm


        impedance_c = bm.fast_resonator(R_S, Q, freq_a, freq_R)

        np.testing.assert_almost_equal(
            impedance_py, impedance_c, decimal=decimal)


    def test_fast_resonator_py2_V_C_4(self):
        n_resonators = 20
        size = 1000
        decimal = 14

        freq_a = np.random.randn(size)
        R_S = np.random.randn(n_resonators)
        Q = np.random.randn(n_resonators)
        freq_R = np.random.randn(n_resonators)
        impedance_py = np.zeros(len(freq_a), complex)
        for res in range(0, n_resonators):
            Qsquare = Q[res] * Q[res]
            for freq in range(1, len(freq_a)):
                commonTerm = (freq_a[freq] / freq_R[res]
                              - freq_R[res]/freq_a[freq])
                impedance_py.real[freq] += R_S[res] \
                    / (1. + Qsquare * commonTerm * commonTerm)
                impedance_py.imag[freq] -= R_S[res] * (Q[res] * commonTerm) \
                    / (1. + Qsquare * commonTerm * commonTerm)
            # impedance_py[1:] += R_S[i] / (1 + 1j * Q[i] *
            #                               (freq_a[1:] / freq_R[i] -
            #                                  freq_R[i] / freq_a[1:]))


        impedance_c = bm.fast_resonator(R_S, Q, freq_a, freq_R)
