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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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