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Side by Side Diff: Source/WTF/wtf/Float64Array.h

Issue 14238015: Move Source/WTF/wtf to Source/wtf (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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1 /*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 * Copyright (C) 2011 Google Inc. All rights reserved.
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
27 #ifndef Float64Array_h
28 #define Float64Array_h
29
30 #include <wtf/TypedArrayBase.h>
31 #include <wtf/MathExtras.h>
32
33 namespace WTF {
34
35 class Float64Array : public TypedArrayBase<double> {
36 public:
37 static inline PassRefPtr<Float64Array> create(unsigned length);
38 static inline PassRefPtr<Float64Array> create(const double* array, unsigned length);
39 static inline PassRefPtr<Float64Array> create(PassRefPtr<ArrayBuffer>, unsig ned byteOffset, unsigned length);
40
41 // Should only be used when it is known the entire array will be filled. Do
42 // not return these results directly to JavaScript without filling first.
43 static inline PassRefPtr<Float64Array> createUninitialized(unsigned length);
44
45 using TypedArrayBase<double>::set;
46
47 void set(unsigned index, double value)
48 {
49 if (index >= TypedArrayBase<double>::m_length)
50 return;
51 TypedArrayBase<double>::data()[index] = static_cast<double>(value);
52 }
53
54 inline PassRefPtr<Float64Array> subarray(int start) const;
55 inline PassRefPtr<Float64Array> subarray(int start, int end) const;
56
57 virtual ViewType getType() const
58 {
59 return TypeFloat64;
60 }
61
62 private:
63 inline Float64Array(PassRefPtr<ArrayBuffer>,
64 unsigned byteOffset,
65 unsigned length);
66 // Make constructor visible to superclass.
67 friend class TypedArrayBase<double>;
68 };
69
70 PassRefPtr<Float64Array> Float64Array::create(unsigned length)
71 {
72 return TypedArrayBase<double>::create<Float64Array>(length);
73 }
74
75 PassRefPtr<Float64Array> Float64Array::create(const double* array, unsigned leng th)
76 {
77 return TypedArrayBase<double>::create<Float64Array>(array, length);
78 }
79
80 PassRefPtr<Float64Array> Float64Array::create(PassRefPtr<ArrayBuffer> buffer, un signed byteOffset, unsigned length)
81 {
82 return TypedArrayBase<double>::create<Float64Array>(buffer, byteOffset, leng th);
83 }
84
85 PassRefPtr<Float64Array> Float64Array::createUninitialized(unsigned length)
86 {
87 return TypedArrayBase<double>::createUninitialized<Float64Array>(length);
88 }
89
90 Float64Array::Float64Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
91 : TypedArrayBase<double>(buffer, byteOffset, length)
92 {
93 }
94
95 PassRefPtr<Float64Array> Float64Array::subarray(int start) const
96 {
97 return subarray(start, length());
98 }
99
100 PassRefPtr<Float64Array> Float64Array::subarray(int start, int end) const
101 {
102 return subarrayImpl<Float64Array>(start, end);
103 }
104
105 } // namespace WTF
106
107 using WTF::Float64Array;
108
109 #endif // Float64Array_h
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