chore: saturating div , update ema dense

Author: Samuel Dare

pallets/subtensor/src/epoch.rs

@@ -832,8 +832,8 @@ impl<T: Config> Pallet<T> {
         consensus_high: I32F32,
         consensus_low: I32F32,
     ) -> (I32F32, I32F32) {
-        log::info!("alpha_high: {:?}", alpha_high);
-        log::info!("alpha_low: {:?}", alpha_low);
+        log::trace!("alpha_high: {:?}", alpha_high);
+        log::trace!("alpha_low: {:?}", alpha_low);
         log::trace!("consensus_high: {:?}", consensus_high);
         log::trace!("consensus_low: {:?}", consensus_low);
         // Check for division by zero
@@ -846,9 +846,9 @@ impl<T: Config> Pallet<T> {
         // Calculate the slope 'a' of the logistic function.
         // a = (ln((1 / alpha_high - 1)) - ln((1 / alpha_low - 1))) / (consensus_low - consensus_high)
         let a =
-            (safe_ln((I32F32::from_num(1.0) / alpha_high).saturating_sub(I32F32::from_num(1.0)))
+            (safe_ln((I32F32::from_num(1.0).saturating_div( alpha_high)).saturating_sub(I32F32::from_num(1.0)))
                 .saturating_sub(safe_ln(
-                    (I32F32::from_num(1.0) / alpha_low).saturating_sub(I32F32::from_num(1.0)),
+                    (I32F32::from_num(1.0).saturating_div( alpha_low)).saturating_sub(I32F32::from_num(1.0)),
                 )))
             .saturating_div(consensus_low.saturating_sub(consensus_high));
         log::trace!("a: {:?}", a);
@@ -1073,10 +1073,6 @@ impl<T: Config> Pallet<T> {
             // Calculate the 75th percentile (high) and 25th percentile (low) of the consensus values.
             let consensus_high = quantile(&consensus, 0.75);
             let consensus_low = quantile(&consensus, 0.25);
-            // consensus_low < 0 ||
-            // consensus_high <= consensus_low ||
-            // alpha_low < 0 ||
-            // alpha_high <= alpha_low
             // Further check if the high and low consensus values meet the required conditions.
             if (consensus_high > consensus_low) || consensus_high != 0 || consensus_low < 0 {
                 // if (consensus_high > consensus_low) || consensus_high != 0) || consensus_low != 0 {
@@ -1149,7 +1145,7 @@ impl<T: Config> Pallet<T> {
             let consensus_low = quantile(&consensus, 0.25);
 
             // Further check if the high and low consensus values meet the required conditions.
-            if (consensus_high > consensus_low) && consensus_high != 0 && consensus_low != 0 {
+            if (consensus_high > consensus_low) || consensus_high != 0 || consensus_low < 0 {
                 log::trace!("Using Liquid Alpha");
 
                 // Get the high and low alpha values for the network.