asiva@google.com
4c069867e4
- Change all uses of it Review URL: https://codereview.chromium.org//11745022 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16623 260f80e4-7a28-3924-810f-c04153c831b5
32 lines
959 B
C++
32 lines
959 B
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/bootstrap_natives.h"
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#include "vm/object.h"
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namespace dart {
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DEFINE_NATIVE_ENTRY(Identical_comparison, 2) {
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GET_NATIVE_ARGUMENT(Instance, a, arguments->NativeArgAt(0));
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GET_NATIVE_ARGUMENT(Instance, b, arguments->NativeArgAt(1));
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if (a.raw() == b.raw()) return Bool::True().raw();
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if (a.IsInteger() && b.IsInteger()) {
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return Bool::Get(a.Equals(b));
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}
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if (a.IsDouble() && b.IsDouble()) {
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if (a.Equals(b)) return Bool::True().raw();
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// Check for NaN.
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const Double& a_double = Double::Cast(a);
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const Double& b_double = Double::Cast(b);
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if (isnan(a_double.value()) && isnan(b_double.value())) {
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return Bool::True().raw();
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}
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}
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return Bool::False().raw();
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}
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} // namespace dart
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