"""
This is for (string) constants used in the objective module.
"""


MODE_FUN = 'mode_fun'  # mode for function values
MODE_RES = 'mode_res'  # mode for residuals
FVAL = 'fval'  # function value
GRAD = 'grad'  # gradient
HESS = 'hess'  # Hessian
HESSP = 'hessp'  # Hessian vector product
RES = 'res'  # residual
SRES = 'sres'  # residual sensitivities
RDATAS = 'rdatas'  # returned simulated data sets
