Models

Models for various equations of state

pttools.models:

analytic	Base class for analytical models
bag	Bag model
base	Base class for equation of state models and thermodynamics models
const_cs	Constant sound speed model, aka.
const_cs_thermo	ThermoModel-based constant $c_s$ model
full	Full thermodynamics-based model
model	Template for equations of state
sigmoid	Sigmoid-based model
sm	Standard Model equation of state
thermo	Base class for thermodynamics models