From deea5d779b623c30f0a09ef036dbd6e829217467 Mon Sep 17 00:00:00 2001
From: Jacob Williams <jacobwilliams@users.noreply.github.com>
Date: Fri, 5 Jan 2024 09:06:50 -0600
Subject: [PATCH] updates to ford docs

---
 .github/workflows/CI.yml      | 2 +-
 README.md                     | 4 ++--
 bspline-fortran.md => ford.md | 5 +----
 src/bspline_sub_module.f90    | 6 ++++--
 4 files changed, 8 insertions(+), 9 deletions(-)
 rename bspline-fortran.md => ford.md (93%)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ac7ba159..fe11fa83 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -76,7 +76,7 @@ jobs:
         files: build/coverage/coverage.info
 
     - name: Build documentation
-      run: ford ./bspline-fortran.md
+      run: ford ./ford.md
 
     - name: Deploy Documentation
       if: github.ref == 'refs/heads/master'
diff --git a/README.md b/README.md
index 1fda254a..09d52f9e 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 Multidimensional B-Spline Interpolation of Data on a Regular Grid.
 
 ## Status
-
+[![Language](https://img.shields.io/badge/-Fortran-734f96?logo=fortran&logoColor=white)](https://github.com/topics/fortran)
 [![GitHub release](https://img.shields.io/github/release/jacobwilliams/bspline-fortran.svg)](https://github.com/jacobwilliams/bspline-fortran/releases/latest)
 [![Build Status](https://github.com/jacobwilliams/bspline-fortran/actions/workflows/CI.yml/badge.svg)](https://github.com/jacobwilliams/bspline-fortran/actions)
 [![codecov](https://codecov.io/gh/jacobwilliams/bspline-fortran/branch/master/graph/badge.svg)](https://codecov.io/gh/jacobwilliams/bspline-fortran)
@@ -184,7 +184,7 @@ However, note that an external BLAS can only be used if the library is compiled
 
 ## Documentation
 
-The latest API documentation can be found [here](https://jacobwilliams.github.io/bspline-fortran/). This was generated from the source code using [FORD](https://github.com/Fortran-FOSS-Programmers/ford) (i.e. by running `ford bspline-fortran.md`).
+The latest API documentation can be found [here](https://jacobwilliams.github.io/bspline-fortran/). This was generated from the source code using [FORD](https://github.com/Fortran-FOSS-Programmers/ford) (i.e. by running `ford ford.md`).
 
 ## License
 
diff --git a/bspline-fortran.md b/ford.md
similarity index 93%
rename from bspline-fortran.md
rename to ford.md
index 04020e14..54cb2c35 100644
--- a/bspline-fortran.md
+++ b/ford.md
@@ -1,5 +1,5 @@
 project: bspline-fortran
-project_dir: ./src
+src_dir: ./src
 output_dir: ./doc
 media_dir: ./media
 project_github: https://github.com/jacobwilliams/bspline-fortran
@@ -15,9 +15,6 @@ display: public
          private
 source: true
 graph: true
-exclude: pyplot_module.f90
-         test.f90
-exclude_dir: ./src/tests
 extra_mods: pyplot_module:https://github.com/jacobwilliams/pyplot-fortran
 
 ### Brief description
diff --git a/src/bspline_sub_module.f90 b/src/bspline_sub_module.f90
index 37ff1620..af30a852 100644
--- a/src/bspline_sub_module.f90
+++ b/src/bspline_sub_module.f90
@@ -2633,8 +2633,10 @@ pure subroutine dbtpcf(x,n,fcn,ldf,nf,t,k,bcoef,work,iflag)
     real(wp),dimension(:),intent(in)      :: t
     real(wp),dimension(nf,n),intent(out)  :: bcoef
     real(wp),dimension(*),intent(out)     :: work   !! work array of size >= `2*k*(n+1)`
-    integer(ip),intent(out)               :: iflag  !!   0: no errors
-                                                    !! 301: n should be >0
+    integer(ip),intent(out)               :: iflag  !! status flag:
+                                                    !!
+                                                    !! * 0: no errors
+                                                    !! * 301: n should be >0
 
     integer(ip) :: i, j, m1, m2, iq, iw