Allow float_cmp since we use it to check if floating point values changed from the last value assigned, not compare two different floating point values; downgrade not_unsafe_ptr_arg_deref to warning

azure-pipelines.yml

@@ -6,7 +6,7 @@ jobs:
          displayName: "Install build dependencies"
          condition: eq(variables['Agent.OS'], 'Linux')
      minrust: 1.44.1
-     clippy: -A clippy::not_unsafe_ptr_arg_deref -A clippy::float_cmp
+     clippy:
 
 resources:
   repositories:

src/main.rs

@@ -13,8 +13,10 @@
 // limitations under the License.
 
 #![recursion_limit = "300"]
-#![allow(clippy::too_many_arguments)]
-#![allow(clippy::many_single_char_names)]
+#![allow(clippy::too_many_arguments)] // match standard gl functions with many arguments
+#![allow(clippy::many_single_char_names)] // short variable names provide concise clarity
+#![warn(clippy::not_unsafe_ptr_arg_deref)] // TODO: fix unsafe warnings
+#![allow(clippy::float_cmp)] // float comparison used to check if changed
 
 use log::{error, info, warn};
 use std::time::{Duration, Instant};