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Replace:

EQUATIONS ?= equations_EFT
#… Original:
#EQUATIONS ?= equations

Add: After #DRIVER ?= tester.f90

# EFTCAMB: optional program to test stability.
#DRIVER ?= EFTstabilitySpace_V3.f90

Replace:

# EFTCAMB MOD START
CAMBOBJ = constants.o utils.o $(EXTCAMBFILES) subroutines.o inifile.o $(POWERSPECTRUM).o $(RECOMBINATION).o \
$(REIONIZATION).o modules.o bessels.o EFT_main.o $(EQUATIONS).o $(NONLINEAR).o lensing.o $(BISPECTRUM).o cmbmain.o camb.o
# EFTCAMB MOD END
#… Original:
#CAMBOBJ = constants.o utils.o $(EXTCAMBFILES) subroutines.o inifile.o $(POWERSPECTRUM).o $(RECOMBINATION).o \
# $(REIONIZATION).o modules.o bessels.o $(EQUATIONS).o $(NONLINEAR).o lensing.o $(BISPECTRUM).o cmbmain.o camb.o

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Add: At the beginning

####### Model selection flags for EFTCAMB #######

# EFT flags: set up in which mode EFTCAMB is used.
# We refer to the documentation (EFTCAMB:numerical notes) for a thorough
# explanation of the effect of these flags.
#
# 1) Main EFT flag:
# EFTflag = 0 : GR code. Every EFT modification is ignored.
# EFTflag = 1 : Pure EFT code.
# EFTflag = 2 : Designer matching EFT.
# EFTflag = 3 : Matching EFT.

EFTflag = 0

# 2) Background Dark Energy equation of state flag:
# EFTwDE = 0 : Cosmological constant
# EFTwDE = 1 : DE with constant Eos determined by EFTw0
# EFTwDE = 2 : CPL parametrization
# EFTwDE = 3 : JBP parametrization
# EFTwDE = 4 : turning point parametrization
# EFTwDE = 5 : Taylor expansion
# EFTwDE = 6 : User defined

EFTwDE = 0

# 3) Pure EFT model selection flag:
# The following structure applies to every operator and can be specified for every operator
# separately.
#
# PureEFTmodel___ = 0 : Zero (operator ignored)
# PureEFTmodel___ = 1 : Constant model
# PureEFTmodel___ = 2 : Linear model
# PureEFTmodel___ = 3 : Power law model
# PureEFTmodel___ = 4 : Exponential model
# PureEFTmodel___ = 5 : User defined

PureEFTmodelOmega = 1
PureEFTmodelAlpha1 = 0
PureEFTmodelAlpha2 = 0
PureEFTmodelAlpha3 = 0
PureEFTmodelAlpha4 = 0
PureEFTmodelAlpha5 = 0
PureEFTmodelAlpha6 = 0

# 4) Designer matching EFT model selection flag:
# DesignerEFTmodel = 1 : designer f(R)
# DesignerEFTmodel = 2 : designer minimally coupled quintessence

DesignerEFTmodel = 1

# 5) Matching EFT model selection flag:
# No model implemented so far.

MatchingEFTmodel = 1

####### Model parameters for EFTCAMB #######

# Notice that if the model is not selected via the model selection flags then
# the values of the parameters are automatically ignored.

# 1) Background Dark Energy equation of state parameters:

EFTw0 = -0.7
EFTwa = -0.3
EFTwn = 2
EFTwat = 0.8
EFtw2 = 0.1
EFTw3 = 0.1

# 2) Pure EFT parameters:

EFTOmega0 = 0.1
EFTOmegaExp = 2.8

EFTAlpha10 = 0
EFTAlpha1Exp = 0

EFTAlpha20 = 0.1
EFTAlpha2Exp = 0

EFTAlpha30 = 0.001
EFTAlpha3Exp = 0

EFTAlpha40 = 0.001
EFTAlpha4Exp = 0

EFTAlpha50 = 0.1
EFTAlpha5Exp = 0

EFTAlpha60 = 0.1
EFTAlpha6Exp = 0

# 3) Designer matching parameters:
# Model 1: designer f(R) theories

EFTB0 = 0.1

####### Parameters for CAMB #######

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