add mpvinverse parametrization for testing birefringence

waveform/wrapper_mpv_waveform/mpvwaveform.py

+import numpy
+
+def integrand_parityamu_mpvinverse(redshift):
+    """
+    The integrand:
+    (1.0 + z)^parity_beta / sqrt(Omega_m (1+z)^3 + Omega_Lambda)
+    """
+    omega_m = 0.3075 #pycbc.cosmology.get_cosmology().Om0 # matter density
+    omega_l = 0.6910098821161554 #pycbc.cosmology.get_cosmology().Ode0 # dark energy density
+
+    return (1.0+redshift)/ numpy.sqrt(omega_m*(1.0+redshift)**3.0 + omega_l)
+
+
+def gen(**kwds):
+    from pycbc.waveform import get_fd_waveform
+    from pycbc import cosmology
+    import lal
+    #print(kwds)
+
+    if 'approximant' in kwds:
+        kwds.pop("approximant")
+    if kwds['baseapprox'] is None:
+        raise ValueError("A base waveform approximant is required.")
+
+    hp, hc = get_fd_waveform(approximant=kwds['baseapprox'], **kwds)
+    zz = cosmology.redshift(kwds['distance'])
+    intz = integrate.quad(integrand_parityamu_mpv 0, zz)[0]
+    temp =  kwds['parity_mpvinverse'] * intz / 1e9 / lal.QE_SI * lal.H_SI * lal.PI * lal.PI / lal.H0_SI
+
+    hp_parity = hp + hc * temp * hp.sample_frequencies **2
+    hc_parity = hc - hp * temp * hp.sample_frequencies **2
+
+    return hp_parity, hc_parity
\ No newline at end of file

waveform/wrapper_mpv_waveform/setup.py

+"""
+setup.py file for testing birefringence pycbc waveform plugin package
+"""
+
+from setuptools import Extension, setup, Command
+from setuptools import find_packages
+
+VERSION = '0.0.dev0'
+
+setup (
+    name = 'pycbc-birefringence-mpvinverse',
+    version = VERSION,
+    description = 'A waveform plugin for PyCBC',
+    author = 'Yifan Wang',
+    author_email = 'yifan.wang@aei.mpg.de',
+    url = 'http://www.pycbc.org/',
+    #download_url = 'https://github.com/gwastro/revchirp/tarball/v%s' % VERSION,
+    keywords = ['pycbc', 'signal processing', 'gravitational waves'],
+    py_modules = ['mpvwaveform'],
+    entry_points = {"pycbc.waveform.fd":"mpvinverse=mpvwaveform:gen"},
+    classifiers=[
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.6',
+        'Intended Audience :: Science/Research',
+        'Natural Language :: English',
+        'Topic :: Scientific/Engineering',
+        'Topic :: Scientific/Engineering :: Astronomy',
+        'Topic :: Scientific/Engineering :: Physics',
+        'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
+    ],
+)