Python to C++ converter

import multiprocessing as mp
import multiprocessing.sharedctypes

import numpy as np
import scipy as sp

# Try to use the FFT implementation in PyFFTW if available, or fall back on
# numpy's.


try:
    import pyfftw.interfaces.numpy_fft as npf
except ImportError:
    from BoltzTraP2.misc import warning
    warning("you can install pyfftw to get better FFT performance")
    import numpy.fft as npf

from BoltzTraP2.units import *                 # import all functions from units



def fitde3D(data, equivalences):
    """Obtain the interpolation coefficients from DFT data.

    Args:
        data: DFTdata object containing all relevant input
        equivalences: list of k-point equivalence classes in direct coordinates

    Returns:
        A set of interpolation coefficients as an array whose first dimension
        runs over bands.
    """
    kp = data.kpoints
    ene = data.ebands
    mommat = data.mommat
    lattvec = data.get_lattvec()

    tpii = 2j * np.pi
    C1 = .75
    C2 = .75
    Rvec = np.array([equiv[0] for equiv in equivalences])   #assigning first element of equiv to the Rvec
    Rvec = np.array([equiv[0] for equiv in equivalences])
    nstar = np.array([len(equiv) for equiv in equivalences])
    R = np.linalg.norm(Rvec @ lattvec.T, axis=1)            #used to calculate vector norm
    De = ene.T[:-1] - ene.T[-1]
    if mommat is not None:
        for i in range(3):
            De = np.vstack((De, mommat[:, :, i]))   #vstack
    X2 = (R / R[1])**2
    rhoi = 1. / ((1. - C1 * X2)**2 + C2 * X2**3)
    rhoi[0] = 0.

Similar codes

0 vote348 views1 answer
Flask template split string
Python Flask
0 vote377 views1 answer
Exception: 'ascii' codec can't decode byte 0xe2 in position 7860: ordinal not in range(128)
Python
2 votes312 views1 answer
Python text fromatting rows
Python
0 vote331 views1 answer
Bar labeling in matplotlib
Python
15 votes352 views3 answers
Remove word from string in python
Python
0 vote310 views1 answer
Only size-1 arrays can be converted to python scalars
Python
1 vote326 views1 answer
Comentario em python
Python
1 vote327 views2 answers
Python alphabetical order
Python
115 votes320 views3 answers
Write txt python
Python
1 vote337 views1 answer
Conda requests
Python