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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef Sk2x_DEFINED
#define Sk2x_DEFINED
#include "SkTypes.h"
#include "SkNx.h"
#define SK2X_PREAMBLE 1
#if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD)
#include "../opts/Sk2x_sse.h"
#elif defined(SK_ARM_HAS_NEON) && !defined(SKNX_NO_SIMD)
#include "../opts/Sk2x_neon.h"
#else
#include "../opts/Sk2x_none.h"
#endif
#undef SK2X_PREAMBLE
template <typename T> class Sk2x;
typedef Sk2x<float> Sk2f;
typedef Sk2x<double> Sk2d;
#if SK_SCALAR_IS_FLOAT
typedef Sk2f Sk2s;
#elif SK_SCALAR_IS_DOUBLE
typedef Sk2d Sk2s;
#endif
// This API is meant to be manageably small, not comprehensive.
// Please talk to mtklein if you find yourself wanting more.
template <typename T> class Sk2x {
public:
Sk2x(); // Uninitialized; use Sk2x(0) for zero.
explicit Sk2x(T); // Same as Sk2x(T,T);
Sk2x(T, T);
Sk2x(const Sk2x& o) { *this = o; }
Sk2x& operator=(const Sk2x&);
// These assume no particular alignment.
static Sk2x Load(const T[2]);
void store(T[2]) const;
Sk2x add(const Sk2x&) const;
Sk2x subtract(const Sk2x&) const;
Sk2x multiply(const Sk2x&) const;
Sk2x divide(const Sk2x&) const;
Sk2x operator +(const Sk2x& o) const { return this->add(o); }
Sk2x operator -(const Sk2x& o) const { return this->subtract(o); }
Sk2x operator *(const Sk2x& o) const { return this->multiply(o); }
Sk2x operator /(const Sk2x& o) const { return this->divide(o); }
Sk2x& operator +=(const Sk2x& o) { return (*this = *this + o); }
Sk2x& operator -=(const Sk2x& o) { return (*this = *this - o); }
Sk2x& operator *=(const Sk2x& o) { return (*this = *this * o); }
Sk2x& operator /=(const Sk2x& o) { return (*this = *this / o); }
Sk2x negate() const { return Sk2x((T)0) - *this; }
Sk2x operator -() const { return this->negate(); }
Sk2x rsqrt() const; // Approximate 1/this->sqrt().
Sk2x sqrt() const; // this->multiply(this->rsqrt()) may be faster, but less precise.
static Sk2x Min(const Sk2x&, const Sk2x&);
static Sk2x Max(const Sk2x&, const Sk2x&);
private:
#define SK2X_PRIVATE 1
#if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD)
#include "../opts/Sk2x_sse.h"
#elif defined(SK_ARM_HAS_NEON) && !defined(SKNX_NO_SIMD)
#include "../opts/Sk2x_neon.h"
#else
#include "../opts/Sk2x_none.h"
#endif
#undef SK2X_PRIVATE
};
#if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD)
#include "../opts/Sk2x_sse.h"
#elif defined(SK_ARM_HAS_NEON) && !defined(SKNX_NO_SIMD)
#include "../opts/Sk2x_neon.h"
#else
#include "../opts/Sk2x_none.h"
#endif
#endif//Sk2x_DEFINED
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