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cwise-compiler

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cwise-compiler

cwise's internal compiler

  • 0.1.0
  • Source
  • npm
  • Socket score

Version published
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438K
increased by2.12%
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What is cwise-compiler?

The cwise-compiler npm package is a tool for compiling high-performance, multidimensional array operations in JavaScript. It allows users to define custom operations on arrays that are optimized for performance, making it suitable for scientific computing, image processing, and other tasks that require efficient manipulation of large datasets.

What are cwise-compiler's main functionalities?

Element-wise Operations

This feature allows you to perform element-wise operations on arrays. In the example, the `add` function adds a scalar value to each element of the input array `b` and stores the result in array `a`.

const cwise = require('cwise-compiler');

const add = cwise({
  args: ['array', 'array', 'scalar'],
  body: function(a, b, c) {
    a = b + c;
  }
});

const a = [1, 2, 3];
const b = [4, 5, 6];
add(a, b, 10);
console.log(a); // Output: [14, 15, 16]

Custom Reduction Operations

This feature allows you to define custom reduction operations. In the example, the `sum` function calculates the sum of all elements in the input array `a`.

const cwise = require('cwise-compiler');

const sum = cwise({
  args: ['array'],
  pre: function() {
    this.sum = 0;
  },
  body: function(a) {
    this.sum += a;
  },
  post: function() {
    return this.sum;
  }
});

const a = [1, 2, 3, 4];
const result = sum(a);
console.log(result); // Output: 10

Conditional Operations

This feature allows you to perform conditional operations on arrays. In the example, the `threshold` function sets elements of the input array `a` to 0 if they are less than the scalar threshold value `t`.

const cwise = require('cwise-compiler');

const threshold = cwise({
  args: ['array', 'scalar'],
  body: function(a, t) {
    if (a < t) {
      a = 0;
    }
  }
});

const a = [1, 5, 3, 7];
threshold(a, 4);
console.log(a); // Output: [0, 5, 0, 7]

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Package last updated on 18 Jul 2013

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