Fix typo

.codespell/ignore_words.txt

@@ -9,3 +9,9 @@ socio-economic
 
 ;; Frobenius norm used in np.linalg.norm
 fro
+
+;; class name within distutils module
+ccompiler
+
+;; structure file format
+discus

AUTHORS.rst

@@ -1,7 +1,7 @@
 Authors
 =======
 
-Billinge Group and community contibutors.
+Billinge Group and community contributors.
 
 ----
 
@@ -17,7 +17,7 @@ Previous significant contributors to this code were
 
     Pavol Juhas,  Chris Farrow, Jacques Bloch, Wenduo Zhou
 
-Please see the github contributions and the header of each source file 
+Please see the github contributions and the header of each source file
 for a detailed list of
 contributors.  This is an open-source project and we hope and expect
 that the list of contributors will expand with time.  Many thanks to

README.rst

@@ -121,7 +121,7 @@ and run the following ::
         pip install .
 
 To confirm that the installation was successful, run the following in a terminal ::
-                
+
         python -c "import diffpy.pdffit2; print(diffpy.pdffit2.__version__)"
 
 Support and Contribute

doc/source/examples.rst

@@ -59,7 +59,7 @@ The first example shows how to calculates the PDF for FCC nickel and saves the r
     # display plot window, this must be the last command in the script
     plt.show()
 
-The scripts can be downloaded :download:`here <examples/Ni_calculation.py>`. 
+The scripts can be downloaded :download:`here <examples/Ni_calculation.py>`.
 
 =======================================
 Example 2: Performing simple refinement

pyproject.toml

@@ -54,7 +54,7 @@ dependencies = {file = ["requirements/pip.txt"]}
 [tool.codespell]
 exclude-file = ".codespell/ignore_lines.txt"
 ignore-words = ".codespell/ignore_words.txt"
-skip = "*.cif,*.dat"
+skip = "*.cif,*.dat,*.cc,*.h"
 
 [tool.black]
 line-length = 115

src/diffpy/pdffit2/pdffit.py

@@ -301,7 +301,7 @@ def calc(self):
 
         Raises:
             pdffit2.calculationError when allocated space cannot
-            accomodate calculation
+            accommodate calculation
             pdffit.unassignedError when space for calculation has not been
             allocated
         """
@@ -572,7 +572,7 @@ def getR(self):
 
         This function should only be called after data has been loaded or
         calculated. Before a refinement, the list of r-points will reflect the
-        data. Afterwords, they will reflect the fit range.
+        data. Afterwards, they will reflect the fit range.
 
         Raises: pdffit2.unassignedError if no data exists
 
@@ -599,7 +599,7 @@ def getpdf_obs(self):
 
         This function should only be called after data has been loaded or
         calculated. Before a refinement, the list of r-points will reflect the
-        data. Afterwords, they will reflect the fit range.
+        data. Afterwards, they will reflect the fit range.
 
         Raises: pdffit2.unassignedError if no data exists
 
@@ -613,7 +613,7 @@ def getpdf_diff(self):
 
         This function should only be called after data has been loaded or
         calculated. Before a refinement, the list of r-points will reflect the
-        data. Afterwords, they will reflect the fit range.
+        data. Afterwards, they will reflect the fit range.
 
         Raises: pdffit2.unassignedError if no data exists
 
@@ -880,7 +880,7 @@ def blen(self, *args):
                 if isinstance(a2, numbers.Integral):
                     a2 = atom_types[a2 - 1]
             except IndexError:
-                # index of non-existant atom type
+                # index of non-existent atom type
                 return
             # arguments are OK here, get bond length dictionary
             bld = pdffit2.bond_length_types(self._handle, a1, a2, lb, ub)
@@ -930,8 +930,8 @@ def bond_length_types(self, a1, a2, lb, ub):
 
         Return a dictionary of distance data containing
 
-        dij  : list of bond lenghts within given bounds
-        ddij : list of bond legnth standard deviations
+        dij  : list of bond lengths within given bounds
+        ddij : list of bond length standard deviations
         ij0  : pairs of atom indices starting from 0
         ij1  : pairs of atom indices starting from 1