Function nativeDivide

test/features/add-custom-native-function.js:13–36

(mode, fn)

}`;

function nativeDivide(mode, fn) {
  const gpu = new GPU({ mode });

  gpu.addNativeFunction('divide', fn, { returnType: 'Number' });

  const f = gpu.createKernel(function(a, b) {
    return divide(a[this.thread.x], b[this.thread.x]);
  }, {
    output : [6]
  });

  assert.ok(f !== null, 'function generated test');

  const a = [1, 4, 3, 5, 6, 3];
  const b = [4, 2, 6, 1, 2, 3];

  const res = f(a,b);
  const exp = [0.25, 2, 0.5, 5, 3, 1];

  for(let i = 0; i < exp.length; ++i) {
    assert.equal(res[i], exp[i], 'Result arr idx: '+i);
  }
  gpu.destroy();
}

test('nativeDivide auto', () => {
  nativeDivide(null, glslDivide);