/*
* Copyright (C) 2010, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
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* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#ifndef VectorMath_h
#define VectorMath_h
#include "platform/PlatformExport.h"
// Defines the interface for several vector math functions whose implementation will ideally be optimized.
namespace WebCore {
namespace VectorMath {
// Vector scalar multiply and then add.
PLATFORM_EXPORT void vsma(const float* sourceP, int sourceStride, const float* scale, float* destP, int destStride, size_t framesToProcess);
PLATFORM_EXPORT void vsmul(const float* sourceP, int sourceStride, const float* scale, float* destP, int destStride, size_t framesToProcess);
PLATFORM_EXPORT void vadd(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProcess);
// Finds the maximum magnitude of a float vector.
PLATFORM_EXPORT void vmaxmgv(const float* sourceP, int sourceStride, float* maxP, size_t framesToProcess);
// Sums the squares of a float vector's elements.
PLATFORM_EXPORT void vsvesq(const float* sourceP, int sourceStride, float* sumP, size_t framesToProcess);
// For an element-by-element multiply of two float vectors.
PLATFORM_EXPORT void vmul(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProcess);
// Multiplies two complex vectors.
PLATFORM_EXPORT void zvmul(const float* real1P, const float* imag1P, const float* real2P, const float* imag2P, float* realDestP, float* imagDestP, size_t framesToProcess);
// Copies elements while clipping values to the threshold inputs.
PLATFORM_EXPORT void vclip(const float* sourceP, int sourceStride, const float* lowThresholdP, const float* highThresholdP, float* destP, int destStride, size_t framesToProcess);
} // namespace VectorMath
} // namespace WebCore
#endif // VectorMath_h