[WIP] Add PheasyCalc class for higher order phonon calculations

pyproject.toml

@@ -43,6 +43,7 @@ dependencies = [
     "joblib>=1.4.2",
     "phonopy>=2.38.0",
     "phono3py>=3.15.0",
+    "pheasy>=0.0.2",
 ]
 version = "0.4.1"
 

src/matcalc/__init__.py

@@ -9,12 +9,15 @@
 except PackageNotFoundError:
     pass  # package not installed
 
+from ._alamode import AlamodeCalc
 from ._base import ChainedCalc, PropCalc
 from ._elasticity import ElasticityCalc
 from ._eos import EOSCalc
+from ._fourphonon import FourPhononCalc
 from ._lammps import LAMMPSMDCalc
 from ._md import MDCalc
 from ._neb import NEBCalc
+from ._pheasy import PheasyCalc
 from ._phonon import PhononCalc
 from ._phonon3 import Phonon3Calc
 from ._qha import QHACalc