LibTest/typed_data/Float64x2/operator_unary_minus_A01_t01.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.

// @dart = 2.9

/// @assertion Float64x2 operator unary-()
/// Negate operator.
/// @description Checks that every lane of the new [Float64x2] equals the
/// negate value of the corresponding lane of [this].
/// @author ngl@unipro.ru


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

check(x1, y1) {
  var op1 = new Float64x2(x1, y1);
  var res = -op1;
  Expect.equals(-x1, res.x);
  Expect.equals(-y1, res.y);
}

main() {
  check(.0, .1);
  check(1.23e18, -3.94e20);
  check(-1e-15, 0.23e-20);
  check(32.81e30, 1.907e2);
}