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Small fix

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This commit is contained in:
Wassim KABALAN 2024-10-22 13:00:25 -04:00
parent 85cca44fb0
commit d28982eec7
1 changed files with 3 additions and 2 deletions
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5
jaxpm/pm.py
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@ -157,7 +157,8 @@ def make_ode_fn(mesh_shape, halo_size=0, sharding=None):
return nbody_ode return nbody_ode
def get_ode_fn(cosmo:Cosmology, mesh_shape):
def get_ode_fn(cosmo, mesh_shape):
def nbody_ode(a, state, args): def nbody_ode(a, state, args):
""" """
@ -170,7 +171,7 @@ def get_ode_fn(cosmo:Cosmology, mesh_shape):
# Computes the update of position (drift) # Computes the update of position (drift)
dpos = 1. / (a**3 * jnp.sqrt(jc.background.Esqr(cosmo, a))) * vel dpos = 1. / (a**3 * jnp.sqrt(jc.background.Esqr(cosmo, a))) * vel
# Computes the update of velocity (kick) # Computes the update of velocity (kick)
dvel = 1. / (a**2 * jnp.sqrt(jc.background.Esqr(cosmo, a))) * forces dvel = 1. / (a**2 * jnp.sqrt(jc.background.Esqr(cosmo, a))) * forces