Small fixes; use C domain for capi.h

docs/doxygen/Doxyfile

@@ -7,8 +7,7 @@
 PROJECT_NAME           = OpenMC
 QUIET                  = YES
 WARN_IF_UNDOCUMENTED   = NO
-INPUT                  = ../../include/openmc/
-RECURSIVE              = YES
+INPUT                  = ../../include/openmc/capi.h
 GENERATE_HTML          = NO
 GENERATE_LATEX         = NO
 GENERATE_XML           = YES

docs/source/conf.py

@@ -11,7 +11,10 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os, subprocess
+import os
+from pathlib import Path
+import subprocess
+import sys
 
 # Determine if we're on Read the Docs server
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
@@ -48,7 +51,8 @@ extensions = [
 ]
 if not on_rtd:
     extensions.append('sphinxcontrib.rsvgconverter')
-    subprocess.run(['doxygen'], cwd='../doxygen')
+    doxygen_dir = Path(__file__).parents[1] / 'doxygen'
+    subprocess.run(['doxygen'], cwd=doxygen_dir, check=True)
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -123,6 +127,7 @@ pygments_style = 'tango'
 
 breathe_projects = {"OpenMC": "../doxygen/xml"}
 breathe_default_project = "OpenMC"
+breathe_domain_by_file_pattern = {"*capi.h": "c"}
 
 # -- Options for HTML output ---------------------------------------------------
 

include/openmc/capi.h

@@ -302,7 +302,7 @@ int openmc_zernike_filter_set_params(
 int openmc_particle_filter_get_bins(int32_t idx, int32_t bins[]);
 
 //! Sets the mesh and energy grid for CMFD reweight
-//! \param[in] meshtyally_id id of CMFD Mesh Tally
+//! \param[in] meshtally_id id of CMFD Mesh Tally
 //! \param[in] cmfd_indices indices storing spatial and energy dimensions of
 //! CMFD problem \param[in] norm CMFD normalization factor
 void openmc_initialize_mesh_egrid(