Update to nvc++ 24.11 and compile as c++23 (#153)

.github/workflows/ci-checks.yml

@@ -94,7 +94,7 @@ jobs:
                         {name: gcc, ver: 12},
                         {name: gcc, ver: 13},
                         {name: gcc, ver: 14},
-                        {name: nvc++, ver: '24.9'},
+                        {name: nvc++, ver: '24.11'},
                     ]
             fail-fast: false
 

.vscode/settings.json

@@ -1,18 +1,22 @@
 {
     "[cpp]": {
-        "editor.tabSize": 2,
         "editor.codeActionsOnSave": {
             "source.fixAll": "always"
         },
-        "editor.formatOnSave": true
+        "editor.defaultFormatter": "llvm-vs-code-extensions.vscode-clangd",
+        "editor.formatOnSave": true,
+        "editor.semanticHighlighting.enabled": true,
+        "editor.suggest.insertMode": "replace",
+        "editor.tabSize": 2,
+        "editor.wordBasedSuggestions": "off"
     },
     "[yaml]": {
         "editor.tabSize": 4
     },
+    "editor.formatOnSave": true,
+    "editor.formatOnType": true,
     "files.eol": "\n",
-    "files.trimFinalNewlines": true,
     "files.insertFinalNewline": true,
-    "files.trimTrailingWhitespace": true,
-    "editor.formatOnType": true,
-    "editor.formatOnSave": true
+    "files.trimFinalNewlines": true,
+    "files.trimTrailingWhitespace": true
 }

Makefile

@@ -52,13 +52,12 @@ endif
 
 $(info detected compiler is $(COMPILER_NAME) major version $(COMPILER_VERSION_NUMBER_MAJOR))
 
-ifeq ($(COMPILER_NAME),NVHPC)
-	CXXFLAGS += -std=c++20
-else
-	CXXFLAGS += -std=c++23 -ftree-vectorize -Wunused-macros -Werror -Wno-error=unknown-pragmas -Wno-error=cast-function-type -MD -MP -ftrivial-auto-var-init=pattern
+CXXFLAGS += -std=c++23 -fstrict-aliasing
+
+ifneq ($(COMPILER_NAME),NVHPC)
+	CXXFLAGS += -ftree-vectorize -Wunused-macros -Werror -Wno-error=unknown-pragmas -Wno-error=cast-function-type -MD -MP -ftrivial-auto-var-init=pattern
 endif
 
-CXXFLAGS += -fstrict-aliasing
 # CXXFLAGS += -DUSE_SIMPSON_INTEGRATOR=true
 
 # profile-guided optimisation