clang-tidy enable performance-type-promotion-in-math-fn

.clang-tidy

@@ -164,7 +164,7 @@ Checks:          'clang-diagnostic-*,clang-analyzer-*,-*,
 		performance-for-range-copy,
 		performance-implicit-cast-in-loop,
 		## TODO: fix code and enable # performance-inefficient-string-concatenation,
-		## TODO: fix code and enable # performance-type-promotion-in-math-fn,
+		performance-type-promotion-in-math-fn,
 		performance-unnecessary-copy-initialization,
 		performance-unnecessary-value-param,
 		#readability-avoid-const-params-in-decls,