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Side by Side Diff: third_party/WebKit/Source/wtf/typed_arrays/Float64Array.h

Issue 2768063003: Move files in wtf/ to platform/wtf/ (Part 11). (Closed)
Patch Set: Rebase. Created 3 years, 9 months ago
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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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