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Side by Side Diff: third_party/WebKit/Source/wtf/typed_arrays/Float32Array.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) 2009 Apple Inc. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be
3 * Copyright (C) 2009 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 Float32Array_h 5 #include "platform/wtf/typed_arrays/Float32Array.h"
28 #define Float32Array_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 Float32Array final : public TypedArrayBase<float> {
36 public:
37 static inline PassRefPtr<Float32Array> create(unsigned length);
38 static inline PassRefPtr<Float32Array> create(const float* array,
39 unsigned length);
40 static inline PassRefPtr<Float32Array> create(PassRefPtr<ArrayBuffer>,
41 unsigned byteOffset,
42 unsigned length);
43
44 static inline PassRefPtr<Float32Array> createOrNull(unsigned length);
45
46 using TypedArrayBase<float>::set;
47
48 void set(unsigned index, double value) {
49 if (index >= TypedArrayBase<float>::m_length)
50 return;
51 TypedArrayBase<float>::data()[index] = static_cast<float>(value);
52 }
53
54 ViewType type() const override { return TypeFloat32; }
55
56 private:
57 inline Float32Array(PassRefPtr<ArrayBuffer>,
58 unsigned byteOffset,
59 unsigned length);
60 // Make constructor visible to superclass.
61 friend class TypedArrayBase<float>;
62 };
63
64 PassRefPtr<Float32Array> Float32Array::create(unsigned length) {
65 return TypedArrayBase<float>::create<Float32Array>(length);
66 }
67
68 PassRefPtr<Float32Array> Float32Array::create(const float* array,
69 unsigned length) {
70 return TypedArrayBase<float>::create<Float32Array>(array, length);
71 }
72
73 PassRefPtr<Float32Array> Float32Array::create(PassRefPtr<ArrayBuffer> buffer,
74 unsigned byteOffset,
75 unsigned length) {
76 return TypedArrayBase<float>::create<Float32Array>(std::move(buffer),
77 byteOffset, length);
78 }
79
80 PassRefPtr<Float32Array> Float32Array::createOrNull(unsigned length) {
81 return TypedArrayBase<float>::createOrNull<Float32Array>(length);
82 }
83
84 Float32Array::Float32Array(PassRefPtr<ArrayBuffer> buffer,
85 unsigned byteOffset,
86 unsigned length)
87 : TypedArrayBase<float>(std::move(buffer), byteOffset, length) {}
88
89 } // namespace WTF
90
91 using WTF::Float32Array;
92
93 #endif // Float32Array_h
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