| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| // It is important _not_ to put header guards here. |
| // This file will be intentionally included three times. |
| |
| #include "SkTypes.h" // Keep this before any #ifdef for skbug.com/3362 |
| |
| #if defined(SK2X_PREAMBLE) |
| #include "SkFloatingPoint.h" |
| #include <math.h> |
| |
| #elif defined(SK2X_PRIVATE) |
| T fVec[2]; |
| |
| #else |
| |
| #define M(...) template <typename T> __VA_ARGS__ Sk2x<T>:: |
| |
| M() Sk2x() {} |
| M() Sk2x(T val) { fVec[0] = fVec[1] = val; } |
| M() Sk2x(T a, T b) { fVec[0] = a; fVec[1] = b; } |
| |
| M(Sk2x<T>&) operator=(const Sk2x<T>& o) { |
| fVec[0] = o.fVec[0]; |
| fVec[1] = o.fVec[1]; |
| return *this; |
| } |
| |
| M(Sk2x<T>) Load(const T vals[2]) { return Sk2x<T>(vals[0], vals[1]); } |
| M(void) store(T vals[2]) const { vals[0] = fVec[0]; vals[1] = fVec[1]; } |
| |
| M(Sk2x<T>) add(const Sk2x<T>& o) const { |
| return Sk2x<T>(fVec[0] + o.fVec[0], fVec[1] + o.fVec[1]); |
| } |
| M(Sk2x<T>) subtract(const Sk2x<T>& o) const { |
| return Sk2x<T>(fVec[0] - o.fVec[0], fVec[1] - o.fVec[1]); |
| } |
| M(Sk2x<T>) multiply(const Sk2x<T>& o) const { |
| return Sk2x<T>(fVec[0] * o.fVec[0], fVec[1] * o.fVec[1]); |
| } |
| M(Sk2x<T>) divide(const Sk2x<T>& o) const { |
| return Sk2x<T>(fVec[0] / o.fVec[0], fVec[1] / o.fVec[1]); |
| } |
| |
| M(Sk2x<T>) Min(const Sk2x<T>& a, const Sk2x<T>& b) { |
| return Sk2x<T>(SkTMin(a.fVec[0], b.fVec[0]), SkTMin(a.fVec[1], b.fVec[1])); |
| } |
| M(Sk2x<T>) Max(const Sk2x<T>& a, const Sk2x<T>& b) { |
| return Sk2x<T>(SkTMax(a.fVec[0], b.fVec[0]), SkTMax(a.fVec[1], b.fVec[1])); |
| } |
| |
| M(Sk2x<T>) invert() const { return Sk2x<T>((T)1.0 / fVec[0], (T)1.0 / fVec[1]); } |
| M(Sk2x<T>) approxInvert() const { return this->invert(); } |
| |
| #undef M |
| |
| #define M template <> inline |
| |
| M Sk2f Sk2f::rsqrt() const { return Sk2f(sk_float_rsqrt(fVec[0]), sk_float_rsqrt(fVec[1])); } |
| M Sk2f Sk2f:: sqrt() const { return Sk2f( sqrtf(fVec[0]), sqrtf(fVec[1])); } |
| |
| M Sk2d Sk2d::rsqrt() const { return Sk2d(1.0/::sqrt(fVec[0]), 1.0/::sqrt(fVec[1])); } |
| M Sk2d Sk2d:: sqrt() const { return Sk2d( ::sqrt(fVec[0]), ::sqrt(fVec[1])); } |
| |
| #undef M |
| |
| #endif |