introduced and used bigint datatype

.github/FUNDING.yml

@@ -0,0 +1,13 @@
+# These are supported funding model platforms
+
+github: [gittiver] # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/cmake.yaml

@@ -1,4 +1,4 @@
-name: CMake
+name: Build and test (cmake based build)
 
 on:
   push:
@@ -42,11 +42,12 @@ jobs:
          fi
       shell: bash      
     - name: Configure CMake
-      run: cmake -B ${{github.workspace}}/build \
-                 -D CMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} 
+      run: cmake -B build
+      shell: bash      
     - name: Build
       # Build your program with the given configuration
-      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+      run: cmake --build build --config ${{env.BUILD_TYPE}}
+      shell: bash      
 
     - name: Test
       working-directory: ${{github.workspace}}/build

.github/workflows/doxygen-gh-pages.yml

@@ -1,4 +1,4 @@
-name: Doxygen Github Pages Deploy action
+name: Deploy Doxygen results to Github Pages
 
 on:
   push:

CMakeLists.txt

@@ -9,7 +9,7 @@ if(POLICY CMP0077)
 endif()
 
 if (MSVC)
-    add_compile_options(/W4 /WX)
+    add_compile_options(/W4)
 else()
     add_compile_options(-Wall -Wextra -pedantic)
 endif()