Fix a bug in dump_poscar

Author: adrybakov

docs/source/release-notes/0.6.rst

@@ -4,6 +4,17 @@
 Version 0.6
 ***********
 
+0.6.4
+=====
+
+**Date**: 2 October 2025
+
+Bugfix
+------
+
+* Fix bug in ``wulfric.io.dump_poscar``: only three atom positions were outputted. Now all
+  positions are written.
+
 0.6.3
 =====
 

src/wulfric/__init__.py

@@ -18,9 +18,9 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #
 # ================================ END LICENSE =================================
-__version__ = "0.6.3"
+__version__ = "0.6.4"
 __doclink__ = "wulfric.org"
-__release_date__ = "20 September 2025"
+__release_date__ = "2 October 2025"
 
 
 from . import cell, constants, crystal, geometry, io, kpoints

src/wulfric/io/_vasp.py

@@ -282,10 +282,10 @@ def dump_poscar(
 
     file_object.write(mode + "\n")
 
-    for atom_index in range(3):
+    for coordinate in atom_coordinates:
         for component_index in range(3):
             file_object.write(
-                f"{atom_coordinates[atom_index][component_index]:{decimals + 5}.{decimals}f} "
+                f"{coordinate[component_index]:{decimals + 5}.{decimals}f} "
             )
         file_object.write("\n")