LibTest/typed_data/Float64x2/scale_A01_t02.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion Float64x2 scale(double s)
/// Returns a copy of this each lane being scaled by s. Equivalent to
/// [this] * new Float64x2.splat(s).
/// @description Checks that scale is equivalent to
/// [this] * new Float64x2.splat(s).
/// @author ngl@unipro.ru


import "dart:typed_data";
import "../../../Utils/expect.dart";

check(obj, s) {
  var res = obj.scale(s);
  var res2 = obj * new Float64x2.splat(s);
  Expect.equals(res2.x, res.x);
  Expect.equals(res2.y, res.y);
}

main() {
  check(new Float64x2(.0, .0), 5.0);
  check(new Float64x2(-5.0, .0), 6.0);
  check(new Float64x2(1.0, 1.0), 3.14);
  check(new Float64x2(-5.0, 1.0001), 2.23);
  check(new Float64x2(10.0, -.05), 4.0);
  check(new Float64x2(0.23e-40, -0.0), 11.0);
}