consistent terms and precision

WICG · Feb 1, 2024 · dd9a502 · dd9a502
1 parent b89fd4d
commit dd9a502
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Showing 3 changed files with 13 additions and 11 deletions.
diff --git a/ts/src/flexible-event/main.ts b/ts/src/flexible-event/main.ts
@@ -117,16 +117,18 @@ config.peek((config) => {
 
   console.log(`Number of possible different output states: ${out.numStates}`)
   console.log(`Information gain: ${out.infoGain.toFixed(2)} bits`)
-  console.log(`Flip percent: ${(100 * out.flipProb).toFixed(5)}%`)
+  console.log(`Randomized trigger rate: ${out.flipProb.toFixed(7)}`)
 
   if (out.excessive) {
     const e = out.excessive
     console.log(
       `WARNING: info gain > ${infoGainMax.toFixed(2)} for ${
         options.source_type
-      } sources. Would require a ${(100 * e.newFlipProb).toFixed(
-        5
-      )}% flip chance (effective epsilon = ${e.newEps.toFixed(3)}) to resolve.`
+      } sources. Would require a ${e.newFlipProb.toFixed(
+        7
+      )} randomized trigger rate (effective epsilon = ${e.newEps.toFixed(
+        3
+      )}) to resolve.`
     )
   }
 })
diff --git a/ts/src/header-validator/source.test.ts b/ts/src/header-validator/source.test.ts
@@ -1235,7 +1235,7 @@ const testCases: TestCase[] = [
     expectedErrors: [
       {
         path: [],
-        msg: 'information gain: 1.585 exceeds max event-level channel capacity per event source (0.000)',
+        msg: 'information gain: 1.58 exceeds max event-level channel capacity per event source (0.00)',
       },
     ],
     expectedNotes: [
@@ -1245,7 +1245,7 @@ const testCases: TestCase[] = [
       },
       {
         path: [],
-        msg: 'randomized response rate: 0.00025%',
+        msg: 'randomized response rate: 0.0000025',
       },
     ],
   },
@@ -1264,7 +1264,7 @@ const testCases: TestCase[] = [
     expectedErrors: [
       {
         path: [],
-        msg: 'information gain: 11.462 exceeds max event-level channel capacity per navigation source (0.000)',
+        msg: 'information gain: 11.46 exceeds max event-level channel capacity per navigation source (0.00)',
       },
     ],
     expectedNotes: [
@@ -1274,7 +1274,7 @@ const testCases: TestCase[] = [
       },
       {
         path: [],
-        msg: 'randomized response rate: 0.24263%',
+        msg: 'randomized response rate: 0.0024263',
       },
     ],
   },

diff --git a/ts/src/header-validator/validate-json.ts b/ts/src/header-validator/validate-json.ts
@@ -839,21 +839,21 @@ function channelCapacity(ctx: SourceContext, s: Source): void {
   )
 
   const max = ctx.vsv.maxEventLevelChannelCapacityPerSource[ctx.sourceType]
-  const infoGainMsg = `information gain: ${out.infoGain.toFixed(3)}`
+  const infoGainMsg = `information gain: ${out.infoGain.toFixed(2)}`
 
   if (out.infoGain > max) {
     ctx.error(
       `${infoGainMsg} exceeds max event-level channel capacity per ${
         ctx.sourceType
-      } source (${max.toFixed(3)})`
+      } source (${max.toFixed(2)})`
     )
   } else if (ctx.noteInfoGain) {
     ctx.note(infoGainMsg)
   }
 
   if (ctx.noteInfoGain) {
     ctx.note(`number of possible output states: ${out.numStates}`)
-    ctx.note(`randomized response rate: ${(100 * out.flipProb).toFixed(5)}%`)
+    ctx.note(`randomized response rate: ${out.flipProb.toFixed(7)}`)
   }
 }