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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef Sk2x_DEFINED | 8 #ifndef Sk2x_DEFINED |
9 #define Sk2x_DEFINED | 9 #define Sk2x_DEFINED |
10 | 10 |
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51 Sk2x multiply(const Sk2x&) const; | 51 Sk2x multiply(const Sk2x&) const; |
52 | 52 |
53 Sk2x operator +(const Sk2x& o) const { return this->add(o); } | 53 Sk2x operator +(const Sk2x& o) const { return this->add(o); } |
54 Sk2x operator -(const Sk2x& o) const { return this->subtract(o); } | 54 Sk2x operator -(const Sk2x& o) const { return this->subtract(o); } |
55 Sk2x operator *(const Sk2x& o) const { return this->multiply(o); } | 55 Sk2x operator *(const Sk2x& o) const { return this->multiply(o); } |
56 | 56 |
57 Sk2x& operator +=(const Sk2x& o) { return (*this = *this + o); } | 57 Sk2x& operator +=(const Sk2x& o) { return (*this = *this + o); } |
58 Sk2x& operator -=(const Sk2x& o) { return (*this = *this - o); } | 58 Sk2x& operator -=(const Sk2x& o) { return (*this = *this - o); } |
59 Sk2x& operator *=(const Sk2x& o) { return (*this = *this * o); } | 59 Sk2x& operator *=(const Sk2x& o) { return (*this = *this * o); } |
60 | 60 |
61 Sk2x negate() const { return Sk2x(0) - *this; } | 61 Sk2x negate() const { return Sk2x((T)0) - *this; } |
62 Sk2x operator -() const { return this->negate(); } | 62 Sk2x operator -() const { return this->negate(); } |
63 | 63 |
64 Sk2x rsqrt() const; // Approximate 1/this->sqrt(). | 64 Sk2x rsqrt() const; // Approximate 1/this->sqrt(). |
65 Sk2x sqrt() const; // this->multiply(this->rsqrt()) may be faster, but le
ss precise. | 65 Sk2x sqrt() const; // this->multiply(this->rsqrt()) may be faster, but le
ss precise. |
66 | 66 |
67 static Sk2x Min(const Sk2x&, const Sk2x&); | 67 static Sk2x Min(const Sk2x&, const Sk2x&); |
68 static Sk2x Max(const Sk2x&, const Sk2x&); | 68 static Sk2x Max(const Sk2x&, const Sk2x&); |
69 | 69 |
70 private: | 70 private: |
71 #define SK2X_PRIVATE 1 | 71 #define SK2X_PRIVATE 1 |
72 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) | 72 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) |
73 #include "../opts/Sk2x_sse.h" | 73 #include "../opts/Sk2x_sse.h" |
74 #elif defined(__ARM_NEON__) && !defined(SKNX_NO_SIMD) | 74 #elif defined(__ARM_NEON__) && !defined(SKNX_NO_SIMD) |
75 #include "../opts/Sk2x_neon.h" | 75 #include "../opts/Sk2x_neon.h" |
76 #else | 76 #else |
77 #include "../opts/Sk2x_none.h" | 77 #include "../opts/Sk2x_none.h" |
78 #endif | 78 #endif |
79 #undef SK2X_PRIVATE | 79 #undef SK2X_PRIVATE |
80 }; | 80 }; |
81 | 81 |
82 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) | 82 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) |
83 #include "../opts/Sk2x_sse.h" | 83 #include "../opts/Sk2x_sse.h" |
84 #elif defined(__ARM_NEON__) && !defined(SKNX_NO_SIMD) | 84 #elif defined(__ARM_NEON__) && !defined(SKNX_NO_SIMD) |
85 #include "../opts/Sk2x_neon.h" | 85 #include "../opts/Sk2x_neon.h" |
86 #else | 86 #else |
87 #include "../opts/Sk2x_none.h" | 87 #include "../opts/Sk2x_none.h" |
88 #endif | 88 #endif |
89 | 89 |
90 #endif//Sk2x_DEFINED | 90 #endif//Sk2x_DEFINED |
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