20 #define AI SK_ALWAYS_INLINE  macro
31     AI SkNx() = default;
32     AI SkNx(const Half& lo, const Half& hi) : fLo(lo), fHi(hi) {}  in SkNx()
34     AI SkNx(T v) : fLo(v), fHi(v) {}  in SkNx()
36     AI SkNx(T a, T b)           : fLo(a)  , fHi(b)   { static_assert(N==2, ""); }  in SkNx()
37     AI SkNx(T a, T b, T c, T d) : fLo(a,b), fHi(c,d) { static_assert(N==4, ""); }  in SkNx()
38     AI SkNx(T a, T b, T c, T d,  T e, T f, T g, T h) : fLo(a,b,c,d), fHi(e,f,g,h) {  in SkNx()
41     AI SkNx(T a, T b, T c, T d,  T e, T f, T g, T h,  in SkNx()
47     AI T operator[](int k) const {
52     AI static SkNx Load(const void* vptr) {  in Load()
56     AI void store(void* vptr) const {  in store()
62     AI static void Load4(const void* vptr, SkNx* a, SkNx* b, SkNx* c, SkNx* d) {  in Load4()
73     AI static void Load3(const void* vptr, SkNx* a, SkNx* b, SkNx* c) {  in Load3()
83     AI static void Load2(const void* vptr, SkNx* a, SkNx* b) {  in Load2()
92     AI static void Store4(void* vptr, const SkNx& a, const SkNx& b, const SkNx& c, const SkNx& d) {  in Store4()
97     AI static void Store3(void* vptr, const SkNx& a, const SkNx& b, const SkNx& c) {  in Store3()
102     AI static void Store2(void* vptr, const SkNx& a, const SkNx& b) {  in Store2()
108     AI T min() const { return SkTMin(fLo.min(), fHi.min()); }  in min()
109     AI T max() const { return SkTMax(fLo.max(), fHi.max()); }  in max()
110     AI bool anyTrue() const { return fLo.anyTrue() || fHi.anyTrue(); }  in anyTrue()
111     AI bool allTrue() const { return fLo.allTrue() && fHi.allTrue(); }  in allTrue()
113     AI SkNx    abs() const { return { fLo.   abs(), fHi.   abs() }; }  in abs()
114     AI SkNx   sqrt() const { return { fLo.  sqrt(), fHi.  sqrt() }; }  in sqrt()
115     AI SkNx  rsqrt() const { return { fLo. rsqrt(), fHi. rsqrt() }; }  in rsqrt()
116     AI SkNx  floor() const { return { fLo. floor(), fHi. floor() }; }  in floor()
117     AI SkNx invert() const { return { fLo.invert(), fHi.invert() }; }  in invert()
119     AI SkNx operator!() const { return { !fLo, !fHi }; }
120     AI SkNx operator-() const { return { -fLo, -fHi }; }
121     AI SkNx operator~() const { return { ~fLo, ~fHi }; }
123     AI SkNx operator<<(int bits) const { return { fLo << bits, fHi << bits }; }
124     AI SkNx operator>>(int bits) const { return { fLo >> bits, fHi >> bits }; }
126     AI SkNx operator+(const SkNx& y) const { return { fLo + y.fLo, fHi + y.fHi }; }
127     AI SkNx operator-(const SkNx& y) const { return { fLo - y.fLo, fHi - y.fHi }; }
128     AI SkNx operator*(const SkNx& y) const { return { fLo * y.fLo, fHi * y.fHi }; }
129     AI SkNx operator/(const SkNx& y) const { return { fLo / y.fLo, fHi / y.fHi }; }
131     AI SkNx operator&(const SkNx& y) const { return { fLo & y.fLo, fHi & y.fHi }; }
132     AI SkNx operator|(const SkNx& y) const { return { fLo | y.fLo, fHi | y.fHi }; }
133     AI SkNx operator^(const SkNx& y) const { return { fLo ^ y.fLo, fHi ^ y.fHi }; }
135     AI SkNx operator==(const SkNx& y) const { return { fLo == y.fLo, fHi == y.fHi }; }
136     AI SkNx operator!=(const SkNx& y) const { return { fLo != y.fLo, fHi != y.fHi }; }
137     AI SkNx operator<=(const SkNx& y) const { return { fLo <= y.fLo, fHi <= y.fHi }; }
138     AI SkNx operator>=(const SkNx& y) const { return { fLo >= y.fLo, fHi >= y.fHi }; }
139     AI SkNx operator< (const SkNx& y) const { return { fLo <  y.fLo, fHi <  y.fHi }; }
140     AI SkNx operator> (const SkNx& y) const { return { fLo >  y.fLo, fHi >  y.fHi }; }
142     AI SkNx saturatedAdd(const SkNx& y) const {  in saturatedAdd()
146     AI SkNx mulHi(const SkNx& m) const {  in mulHi()
149     AI SkNx thenElse(const SkNx& t, const SkNx& e) const {  in thenElse()
152     AI static SkNx Min(const SkNx& x, const SkNx& y) {  in Min()
155     AI static SkNx Max(const SkNx& x, const SkNx& y) {  in Max()
165     AI SkNx() = default;
166     AI SkNx(T v) : fVal(v) {}
169     AI T operator[](int SkDEBUGCODE(k)) const {
174     AI static SkNx Load(const void* ptr) {
179     AI void store(void* ptr) const { memcpy(ptr, &fVal, sizeof(T)); }
181     AI static void Load4(const void* vptr, SkNx* a, SkNx* b, SkNx* c, SkNx* d) {
188     AI static void Load3(const void* vptr, SkNx* a, SkNx* b, SkNx* c) {
194     AI static void Load2(const void* vptr, SkNx* a, SkNx* b) {
199     AI static void Store4(void* vptr, const SkNx& a, const SkNx& b, const SkNx& c, const SkNx& d) {
206     AI static void Store3(void* vptr, const SkNx& a, const SkNx& b, const SkNx& c) {
212     AI static void Store2(void* vptr, const SkNx& a, const SkNx& b) {
218     AI T min() const { return fVal; }
219     AI T max() const { return fVal; }
220     AI bool anyTrue() const { return fVal != 0; }
221     AI bool allTrue() const { return fVal != 0; }
223     AI SkNx    abs() const { return Abs(fVal); }
224     AI SkNx   sqrt() const { return Sqrt(fVal); }
225     AI SkNx  rsqrt() const { return T(1) / this->sqrt(); }
226     AI SkNx  floor() const { return Floor(fVal); }
227     AI SkNx invert() const { return T(1) / *this; }
229     AI SkNx operator!() const { return !fVal; }
230     AI SkNx operator-() const { return -fVal; }
231     AI SkNx operator~() const { return FromBits(~ToBits(fVal)); }
233     AI SkNx operator<<(int bits) const { return fVal << bits; }
234     AI SkNx operator>>(int bits) const { return fVal >> bits; }
236     AI SkNx operator+(const SkNx& y) const { return fVal + y.fVal; }
237     AI SkNx operator-(const SkNx& y) const { return fVal - y.fVal; }
238     AI SkNx operator*(const SkNx& y) const { return fVal * y.fVal; }
239     AI SkNx operator/(const SkNx& y) const { return fVal / y.fVal; }
241     AI SkNx operator&(const SkNx& y) const { return FromBits(ToBits(fVal) & ToBits(y.fVal)); }
242     AI SkNx operator|(const SkNx& y) const { return FromBits(ToBits(fVal) | ToBits(y.fVal)); }
243     AI SkNx operator^(const SkNx& y) const { return FromBits(ToBits(fVal) ^ ToBits(y.fVal)); }
245     AI SkNx operator==(const SkNx& y) const { return FromBits(fVal == y.fVal ? ~0 : 0); }
246     AI SkNx operator!=(const SkNx& y) const { return FromBits(fVal != y.fVal ? ~0 : 0); }
247     AI SkNx operator<=(const SkNx& y) const { return FromBits(fVal <= y.fVal ? ~0 : 0); }
248     AI SkNx operator>=(const SkNx& y) const { return FromBits(fVal >= y.fVal ? ~0 : 0); }
249     AI SkNx operator< (const SkNx& y) const { return FromBits(fVal <  y.fVal ? ~0 : 0); }
250     AI SkNx operator> (const SkNx& y) const { return FromBits(fVal >  y.fVal ? ~0 : 0); }
252     AI static SkNx Min(const SkNx& x, const SkNx& y) { return x.fVal < y.fVal ? x : y; }
253     AI static SkNx Max(const SkNx& x, const SkNx& y) { return x.fVal > y.fVal ? x : y; }
255     AI SkNx saturatedAdd(const SkNx& y) const {
261     AI SkNx mulHi(const SkNx& m) const {
267     AI SkNx thenElse(const SkNx& t, const SkNx& e) const { return fVal != 0 ? t : e; }
271     AI static int     Abs(int val) { return  val < 0 ? -val : val; }
273     AI static float   Abs(float val) { return  ::fabsf(val); }
274     AI static float  Sqrt(float val) { return  ::sqrtf(val); }
275     AI static float Floor(float val) { return ::floorf(val); }
277     AI static double   Abs(double val) { return  ::fabs(val); }
278     AI static double  Sqrt(double val) { return  ::sqrt(val); }
279     AI static double Floor(double val) { return ::floor(val); }
283     AI static U ToBits(U v) { return v; }
284     AI static int32_t ToBits(float  v) { int32_t bits; memcpy(&bits, &v, sizeof(v)); return bits; }
285     AI static int64_t ToBits(double v) { int64_t bits; memcpy(&bits, &v, sizeof(v)); return bits; }
288     AI static T FromBits(Bits bits) {
299 #define V template <int N, typename T> AI static SkNx<N,T>
350 AI static void SkNx_split(const SkNx<N,T>& v, SkNx<N/2,T>* lo, SkNx<N/2,T>* hi) {
357 AI static SkNx<N*2,T> SkNx_join(const SkNx<N,T>& lo, const SkNx<N,T>& hi) {
368 AI static SkNx<sizeof...(Ix),T> SkNx_shuffle(const SkNx<N,T>& v) {
374 AI static SkNx<N,Dst> SkNx_cast(const SkNx<N,Src>& v) {
378 AI static SkNx<1,Dst> SkNx_cast(const SkNx<1,Src>& v) {
383 AI static SkNx<N,T> SkNx_fma(const SkNx<N,T>& f, const SkNx<N,T>& m, const SkNx<N,T>& a) {
418 AI static Sk4i Sk4f_round(const Sk4f& x) {
427 AI static void Sk4f_ToBytes(uint8_t p[16],
432 #undef AI