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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/MathExtras.h" | |
| 31 #include "wtf/TypedArrayBase.h" | |
| 32 | |
| 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, 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 ViewType type() const override | |
| 55 { | |
| 56 return TypeFloat64; | |
| 57 } | |
| 58 | |
| 59 private: | |
| 60 inline Float64Array(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned l
ength); | |
| 61 // Make constructor visible to superclass. | |
| 62 friend class TypedArrayBase<double>; | |
| 63 }; | |
| 64 | |
| 65 PassRefPtr<Float64Array> Float64Array::create(unsigned length) | |
| 66 { | |
| 67 return TypedArrayBase<double>::create<Float64Array>(length); | |
| 68 } | |
| 69 | |
| 70 PassRefPtr<Float64Array> Float64Array::create(const double* array, unsigned leng
th) | |
| 71 { | |
| 72 return TypedArrayBase<double>::create<Float64Array>(array, length); | |
| 73 } | |
| 74 | |
| 75 PassRefPtr<Float64Array> Float64Array::create(PassRefPtr<ArrayBuffer> buffer, un
signed byteOffset, unsigned length) | |
| 76 { | |
| 77 return TypedArrayBase<double>::create<Float64Array>(buffer, byteOffset, leng
th); | |
| 78 } | |
| 79 | |
| 80 Float64Array::Float64Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset,
unsigned length) | |
| 81 : TypedArrayBase<double>(buffer, byteOffset, length) | |
| 82 { | |
| 83 } | |
| 84 | |
| 85 } // namespace WTF | |
| 86 | |
| 87 using WTF::Float64Array; | |
| 88 | |
| 89 #endif // Float64Array_h | |
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