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1 /* | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 // Use of this source code is governed by a BSD-style license that can be |
3 * Copyright (C) 2011 Google Inc. All rights reserved. | 3 // found in the LICENSE file. |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
25 */ | |
26 | 4 |
27 #ifndef Float64Array_h | 5 #include "platform/wtf/typed_arrays/Float64Array.h" |
28 #define Float64Array_h | |
29 | 6 |
30 #include "wtf/MathExtras.h" | 7 // The contents of this header was moved to platform/wtf as part of |
31 #include "wtf/typed_arrays/TypedArrayBase.h" | 8 // WTF migration project. See the following post for details: |
32 | 9 // https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gY
CAAJ |
33 namespace WTF { | |
34 | |
35 class Float64Array final : public TypedArrayBase<double> { | |
36 public: | |
37 static inline PassRefPtr<Float64Array> create(unsigned length); | |
38 static inline PassRefPtr<Float64Array> create(const double* array, | |
39 unsigned length); | |
40 static inline PassRefPtr<Float64Array> create(PassRefPtr<ArrayBuffer>, | |
41 unsigned byteOffset, | |
42 unsigned length); | |
43 | |
44 // Should only be used when it is known the entire array will be filled. Do | |
45 // not return these results directly to JavaScript without filling first. | |
46 static inline PassRefPtr<Float64Array> createUninitialized(unsigned length); | |
47 | |
48 using TypedArrayBase<double>::set; | |
49 | |
50 void set(unsigned index, double value) { | |
51 if (index >= TypedArrayBase<double>::m_length) | |
52 return; | |
53 TypedArrayBase<double>::data()[index] = static_cast<double>(value); | |
54 } | |
55 | |
56 ViewType type() const override { return TypeFloat64; } | |
57 | |
58 private: | |
59 inline Float64Array(PassRefPtr<ArrayBuffer>, | |
60 unsigned byteOffset, | |
61 unsigned length); | |
62 // Make constructor visible to superclass. | |
63 friend class TypedArrayBase<double>; | |
64 }; | |
65 | |
66 PassRefPtr<Float64Array> Float64Array::create(unsigned length) { | |
67 return TypedArrayBase<double>::create<Float64Array>(length); | |
68 } | |
69 | |
70 PassRefPtr<Float64Array> Float64Array::create(const double* array, | |
71 unsigned length) { | |
72 return TypedArrayBase<double>::create<Float64Array>(array, length); | |
73 } | |
74 | |
75 PassRefPtr<Float64Array> Float64Array::create(PassRefPtr<ArrayBuffer> buffer, | |
76 unsigned byteOffset, | |
77 unsigned length) { | |
78 return TypedArrayBase<double>::create<Float64Array>(std::move(buffer), | |
79 byteOffset, length); | |
80 } | |
81 | |
82 Float64Array::Float64Array(PassRefPtr<ArrayBuffer> buffer, | |
83 unsigned byteOffset, | |
84 unsigned length) | |
85 : TypedArrayBase<double>(std::move(buffer), byteOffset, length) {} | |
86 | |
87 } // namespace WTF | |
88 | |
89 using WTF::Float64Array; | |
90 | |
91 #endif // Float64Array_h | |
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