tscommons-core - npm Package Compare versions

Comparing version 1.27.0 to 1.28.0

dist/helpers/commons-number.d.ts

@@ -26,2 +26,3 @@ export declare abstract class CommonsNumber {
     static sampleIndices(length: number, samples: number, blockSize: number, allowUnderflow?: boolean): number[];
+    static roughFactor(items: number, factor: number): number[];
 }

dist/helpers/commons-number.js

@@ -252,4 +252,51 @@ "use strict";
     }
+    static roughFactor(items, factor) {
+        if (factor === 0)
+            throw new Error('Cannot factor into zero');
+        if (items < factor)
+            return [items];
+        const div = Math.round(items / factor);
+        const center = div * factor;
+        const results = [];
+        for (let i = div; i-- > 0;)
+            results.push(factor);
+        if (items === center)
+            return results;
+        let ttl = items; // just to protect against infinite loops
+        if (items < center) {
+            // subtract from the rightmost back
+            let index = results.length - 1;
+            while (ttl-- > 0) {
+                let sum = 0;
+                for (const r of results)
+                    sum += r;
+                if (sum === items)
+                    break;
+                results[index]--;
+                index--;
+                if (index < 0)
+                    index = results.length - 1;
+            }
+        }
+        else {
+            // add from the leftmost forward
+            let index = 0;
+            while (ttl-- > 0) {
+                let sum = 0;
+                for (const r of results)
+                    sum += r;
+                if (sum === items)
+                    break;
+                results[index]++;
+                index++;
+                if (index === results.length)
+                    index = 0;
+            }
+        }
+        if (ttl < 0)
+            throw new Error('TTL expired during attempt roughtFactor');
+        return results;
+    }
 }
 exports.CommonsNumber = CommonsNumber;
 //# sourceMappingURL=commons-number.js.map

package.json

 {
 	"name": "tscommons-core",
-	"version": "1.27.0",
+	"version": "1.28.0",
 	"description": "",
@@ -5,0 +5,0 @@ "scripts": {

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276403

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3661

increased by1.33%

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