math.nim: Use `func` everywhere (#16285)

* math.nim: procs with {.noSideEffect} -> funcs

* math.nim: procs without {.noSideEffect.} -> funcs

* math.nim: proc -> func in links

* math.nim: proc -> func in doc comments

* test: add `math` to strictFuncs test

1 files changed, 9 insertions, 1 deletions

diff --git a/tests/effects/tstrict_funcs.nim b/tests/effects/tstrict_funcs.nim
index 715278f51..532c6e75e 100644
--- a/tests/effects/tstrict_funcs.nim
+++ b/tests/effects/tstrict_funcs.nim
@@ -2,7 +2,15 @@ discard """
   cmd: "nim c --experimental:strictFuncs --experimental:views $file"
 """
 
-import tables, streams, nre, parsecsv, uri, httpcore, strutils
+import tables, streams, parsecsv
+# We import the below modules to check that they compile with `strictFuncs`.
+# They are otherwise unused in this file.
+import
+  httpcore,
+  math,
+  nre,
+  strutils,
+  uri
 
 type
   Contig2Reads = TableRef[string, seq[string]]