2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2009 Google Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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27 #ifndef Float32Array_h
28 #define Float32Array_h
30 #include "TypedArrayBase.h"
31 #include <wtf/MathExtras.h>
35 class Float32Array : public TypedArrayBase<float> {
37 static PassRefPtr<Float32Array> create(unsigned length);
38 static PassRefPtr<Float32Array> create(const float* array, unsigned length);
39 static PassRefPtr<Float32Array> create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length);
41 // Can’t use "using" here due to a bug in the RVCT compiler.
42 void set(TypedArrayBase<float>* array, unsigned offset, ExceptionCode& ec) { return TypedArrayBase<float>::set(array, offset, ec); }
44 void set(unsigned index, double value)
46 if (index >= TypedArrayBase<float>::m_length)
48 TypedArrayBase<float>::data()[index] = static_cast<float>(value);
51 // Invoked by the indexed getter. Does not perform range checks; caller
52 // is responsible for doing so and returning undefined as necessary.
53 float item(unsigned index) const
55 ASSERT(index < TypedArrayBase<float>::m_length);
56 float result = TypedArrayBase<float>::data()[index];
60 PassRefPtr<Float32Array> subarray(int start) const;
61 PassRefPtr<Float32Array> subarray(int start, int end) const;
64 Float32Array(PassRefPtr<ArrayBuffer> buffer,
67 // Make constructor visible to superclass.
68 friend class TypedArrayBase<float>;
70 // Overridden from ArrayBufferView.
71 virtual bool isFloatArray() const { return true; }
74 } // namespace WebCore
76 #endif // Float32Array_h