X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcircular-buffer.ts;h=55f5f9bfc22e48f6f6e42da61c252ec124ac0bca;hb=eadb37e247acfa716cad2a1e211c947513c251bf;hp=2975ef7797389b2cb370c0184de493c81fe85ed7;hpb=12c589b6bbb06466d2168e4867ff51c4b45d3bd3;p=poolifier.git

diff --git a/src/circular-buffer.ts b/src/circular-buffer.ts
index 2975ef77..55f5f9bf 100644
--- a/src/circular-buffer.ts
+++ b/src/circular-buffer.ts
@@ -4,17 +4,15 @@
 export const defaultBufferSize = 2048
 
 /**
- * Circular buffer.
+ * Circular buffer designed for positive numbers.
  *
- * @typeParam T - Type of buffer data.
  * @internal
  */
-export class CircularBuffer<T> {
+export class CircularBuffer {
   private readIdx: number
   private writeIdx: number
-  private items: Array<T | undefined>
+  private items: Float32Array
   private readonly maxArrayIdx: number
-  /* Buffer number of elements */
   public size: number
 
   /**
@@ -27,7 +25,7 @@ export class CircularBuffer<T> {
     this.writeIdx = 0
     this.maxArrayIdx = size - 1
     this.size = 0
-    this.items = new Array<T | undefined>(size)
+    this.items = new Float32Array(size).fill(-1)
   }
 
   /**
@@ -49,12 +47,12 @@ export class CircularBuffer<T> {
   }
 
   /**
-   * Puts data into buffer.
+   * Puts number into buffer.
    *
-   * @param data - Data to put into buffer.
+   * @param number - Number to put into buffer.
    */
-  public put (data: T): void {
-    this.items[this.writeIdx] = data
+  public put (number: number): void {
+    this.items[this.writeIdx] = number
     this.writeIdx = this.writeIdx === this.maxArrayIdx ? 0 : this.writeIdx + 1
     if (this.size < this.items.length) {
       ++this.size
@@ -62,28 +60,28 @@ export class CircularBuffer<T> {
   }
 
   /**
-   * Gets data from buffer.
+   * Gets number from buffer.
    *
-   * @returns Data from buffer.
+   * @returns Number from buffer.
    */
-  public get (): T | undefined {
-    const data = this.items[this.readIdx]
-    if (data == null) {
+  public get (): number | undefined {
+    const number = this.items[this.readIdx]
+    if (number === -1) {
       return
     }
-    this.items[this.readIdx] = undefined
+    this.items[this.readIdx] = -1
     this.readIdx = this.readIdx === this.maxArrayIdx ? 0 : this.readIdx + 1
     --this.size
-    return data
+    return number
   }
 
   /**
-   * Returns buffer as array.
+   * Returns buffer as numbers' array.
    *
-   * @returns Array of buffer data.
+   * @returns Numbers' array.
    */
-  public toArray (): T[] {
-    return this.items.filter(item => item != null) as T[]
+  public toArray (): number[] {
+    return Array.from(this.items.filter(item => item !== -1))
   }
 
   private checkSize (size: number): void {