create the parameter names file earlier (#118)

* create paramnames file before running

* need the base dir and file root first!

* version bump

README.rst

@@ -5,7 +5,7 @@
    :target: https://arxiv.org/abs/1506.00171
    :alt: Open-access paper
 
-PolyChord v 1.22.0
+PolyChord v 1.22.1
 
 Will Handley, Mike Hobson & Anthony Lasenby
 

pypolychord/__init__.py

@@ -1,3 +1,3 @@
-__version__ = "1.22.0"
+__version__ = "1.22.1"
 from pypolychord.settings import PolyChordSettings
 from pypolychord.polychord import run_polychord, run

pypolychord/polychord.py

@@ -566,6 +566,12 @@ def run(loglikelihood, nDims, **kwargs):
     if rank == 0:
         (Path(kwargs['base_dir']) / kwargs['cluster_dir']).mkdir(
             parents=True, exist_ok=True)
+        if paramnames is not None:
+            PolyChordOutput.make_paramnames_file(
+                paramnames,
+                Path(kwargs['base_dir']) /
+                    (kwargs['file_root'] + ".paramnames"))
+
 
     if 'cube_samples' in kwargs:
         _make_resume_file(loglikelihood, kwargs['prior'], **kwargs)
@@ -630,12 +636,6 @@ def wrap_prior(cube, theta):
     if 'cube_samples' in kwargs:
         kwargs['read_resume'] = read_resume
 
-    if paramnames is not None:
-        PolyChordOutput.make_paramnames_file(
-            paramnames,
-            Path(kwargs['base_dir']) /
-                (kwargs['file_root'] + ".paramnames"))
-
     try:
         import anesthetic
     except ImportError:

src/polychord/feedback.f90

@@ -28,7 +28,7 @@ subroutine write_opening_statement(settings)
             write(stdout_unit,'("")')
             write(stdout_unit,'("PolyChord: Next Generation Nested Sampling")')
             write(stdout_unit,'("copyright: Will Handley, Mike Hobson & Anthony Lasenby")')
-            write(stdout_unit,'("  version: 1.22.0")')
+            write(stdout_unit,'("  version: 1.22.1")')
             write(stdout_unit,'("  release: 10th Jan 2024")')
             write(stdout_unit,'("    email: wh260@mrao.cam.ac.uk")')
             write(stdout_unit,'("")')