Eigen  3.3.0
 
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AltiVec/Complex.h
1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.fr>
5// Copyright (C) 2010-2016 Konstantinos Margaritis <markos@freevec.org>
6//
7// This Source Code Form is subject to the terms of the Mozilla
8// Public License v. 2.0. If a copy of the MPL was not distributed
9// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
10
11#ifndef EIGEN_COMPLEX32_ALTIVEC_H
12#define EIGEN_COMPLEX32_ALTIVEC_H
13
14namespace Eigen {
15
16namespace internal {
17
18static Packet4ui p4ui_CONJ_XOR = vec_mergeh((Packet4ui)p4i_ZERO, (Packet4ui)p4f_ZERO_);//{ 0x00000000, 0x80000000, 0x00000000, 0x80000000 };
19#ifdef __VSX__
20#if defined(_BIG_ENDIAN)
21static Packet2ul p2ul_CONJ_XOR1 = (Packet2ul) vec_sld((Packet4ui) p2d_ZERO_, (Packet4ui) p2l_ZERO, 8);//{ 0x8000000000000000, 0x0000000000000000 };
22static Packet2ul p2ul_CONJ_XOR2 = (Packet2ul) vec_sld((Packet4ui) p2l_ZERO, (Packet4ui) p2d_ZERO_, 8);//{ 0x8000000000000000, 0x0000000000000000 };
23#else
24static Packet2ul p2ul_CONJ_XOR1 = (Packet2ul) vec_sld((Packet4ui) p2l_ZERO, (Packet4ui) p2d_ZERO_, 8);//{ 0x8000000000000000, 0x0000000000000000 };
25static Packet2ul p2ul_CONJ_XOR2 = (Packet2ul) vec_sld((Packet4ui) p2d_ZERO_, (Packet4ui) p2l_ZERO, 8);//{ 0x8000000000000000, 0x0000000000000000 };
26#endif
27#endif
28
29//---------- float ----------
30struct Packet2cf
31{
32 EIGEN_STRONG_INLINE explicit Packet2cf() : v(p4f_ZERO) {}
33 EIGEN_STRONG_INLINE explicit Packet2cf(const Packet4f& a) : v(a) {}
34 Packet4f v;
35};
36
37template<> struct packet_traits<std::complex<float> > : default_packet_traits
38{
39 typedef Packet2cf type;
40 typedef Packet2cf half;
41 enum {
42 Vectorizable = 1,
43 AlignedOnScalar = 1,
44 size = 2,
45 HasHalfPacket = 0,
46
47 HasAdd = 1,
48 HasSub = 1,
49 HasMul = 1,
50 HasDiv = 1,
51 HasNegate = 1,
52 HasAbs = 0,
53 HasAbs2 = 0,
54 HasMin = 0,
55 HasMax = 0,
56#ifdef __VSX__
57 HasBlend = 1,
58#endif
59 HasSetLinear = 0
60 };
61};
62
63template<> struct unpacket_traits<Packet2cf> { typedef std::complex<float> type; enum {size=2, alignment=Aligned16}; typedef Packet2cf half; };
64
65template<> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<float>& from)
66{
67 Packet2cf res;
68 if((ptrdiff_t(&from) % 16) == 0)
69 res.v = pload<Packet4f>((const float *)&from);
70 else
71 res.v = ploadu<Packet4f>((const float *)&from);
72 res.v = vec_perm(res.v, res.v, p16uc_PSET64_HI);
73 return res;
74}
75
76template<> EIGEN_STRONG_INLINE Packet2cf pload<Packet2cf>(const std::complex<float>* from) { return Packet2cf(pload<Packet4f>((const float *) from)); }
77template<> EIGEN_STRONG_INLINE Packet2cf ploadu<Packet2cf>(const std::complex<float>* from) { return Packet2cf(ploadu<Packet4f>((const float*) from)); }
78template<> EIGEN_STRONG_INLINE Packet2cf ploaddup<Packet2cf>(const std::complex<float>* from) { return pset1<Packet2cf>(*from); }
79
80template<> EIGEN_STRONG_INLINE void pstore <std::complex<float> >(std::complex<float> * to, const Packet2cf& from) { pstore((float*)to, from.v); }
81template<> EIGEN_STRONG_INLINE void pstoreu<std::complex<float> >(std::complex<float> * to, const Packet2cf& from) { pstoreu((float*)to, from.v); }
82
83template<> EIGEN_DEVICE_FUNC inline Packet2cf pgather<std::complex<float>, Packet2cf>(const std::complex<float>* from, Index stride)
84{
85 std::complex<float> EIGEN_ALIGN16 af[2];
86 af[0] = from[0*stride];
87 af[1] = from[1*stride];
88 return pload<Packet2cf>(af);
89}
90template<> EIGEN_DEVICE_FUNC inline void pscatter<std::complex<float>, Packet2cf>(std::complex<float>* to, const Packet2cf& from, Index stride)
91{
92 std::complex<float> EIGEN_ALIGN16 af[2];
93 pstore<std::complex<float> >((std::complex<float> *) af, from);
94 to[0*stride] = af[0];
95 to[1*stride] = af[1];
96}
97
98template<> EIGEN_STRONG_INLINE Packet2cf padd<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(a.v + b.v); }
99template<> EIGEN_STRONG_INLINE Packet2cf psub<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(a.v - b.v); }
100template<> EIGEN_STRONG_INLINE Packet2cf pnegate(const Packet2cf& a) { return Packet2cf(pnegate(a.v)); }
101template<> EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a) { return Packet2cf(pxor<Packet4f>(a.v, reinterpret_cast<Packet4f>(p4ui_CONJ_XOR))); }
102
103template<> EIGEN_STRONG_INLINE Packet2cf pmul<Packet2cf>(const Packet2cf& a, const Packet2cf& b)
104{
105 Packet4f v1, v2;
106
107 // Permute and multiply the real parts of a and b
108 v1 = vec_perm(a.v, a.v, p16uc_PSET32_WODD);
109 // Get the imaginary parts of a
110 v2 = vec_perm(a.v, a.v, p16uc_PSET32_WEVEN);
111 // multiply a_re * b
112 v1 = vec_madd(v1, b.v, p4f_ZERO);
113 // multiply a_im * b and get the conjugate result
114 v2 = vec_madd(v2, b.v, p4f_ZERO);
115 v2 = reinterpret_cast<Packet4f>(pxor(v2, reinterpret_cast<Packet4f>(p4ui_CONJ_XOR)));
116 // permute back to a proper order
117 v2 = vec_perm(v2, v2, p16uc_COMPLEX32_REV);
118
119 return Packet2cf(padd<Packet4f>(v1, v2));
120}
121
122template<> EIGEN_STRONG_INLINE Packet2cf pand <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(pand<Packet4f>(a.v, b.v)); }
123template<> EIGEN_STRONG_INLINE Packet2cf por <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(por<Packet4f>(a.v, b.v)); }
124template<> EIGEN_STRONG_INLINE Packet2cf pxor <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(pxor<Packet4f>(a.v, b.v)); }
125template<> EIGEN_STRONG_INLINE Packet2cf pandnot<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(pandnot<Packet4f>(a.v, b.v)); }
126
127template<> EIGEN_STRONG_INLINE void prefetch<std::complex<float> >(const std::complex<float> * addr) { EIGEN_PPC_PREFETCH(addr); }
128
129template<> EIGEN_STRONG_INLINE std::complex<float> pfirst<Packet2cf>(const Packet2cf& a)
130{
131 std::complex<float> EIGEN_ALIGN16 res[2];
132 pstore((float *)&res, a.v);
133
134 return res[0];
135}
136
137template<> EIGEN_STRONG_INLINE Packet2cf preverse(const Packet2cf& a)
138{
139 Packet4f rev_a;
140 rev_a = vec_perm(a.v, a.v, p16uc_COMPLEX32_REV2);
141 return Packet2cf(rev_a);
142}
143
144template<> EIGEN_STRONG_INLINE std::complex<float> predux<Packet2cf>(const Packet2cf& a)
145{
146 Packet4f b;
147 b = vec_sld(a.v, a.v, 8);
148 b = padd<Packet4f>(a.v, b);
149 return pfirst<Packet2cf>(Packet2cf(b));
150}
151
152template<> EIGEN_STRONG_INLINE Packet2cf preduxp<Packet2cf>(const Packet2cf* vecs)
153{
154 Packet4f b1, b2;
155#ifdef _BIG_ENDIAN
156 b1 = vec_sld(vecs[0].v, vecs[1].v, 8);
157 b2 = vec_sld(vecs[1].v, vecs[0].v, 8);
158#else
159 b1 = vec_sld(vecs[1].v, vecs[0].v, 8);
160 b2 = vec_sld(vecs[0].v, vecs[1].v, 8);
161#endif
162 b2 = vec_sld(b2, b2, 8);
163 b2 = padd<Packet4f>(b1, b2);
164
165 return Packet2cf(b2);
166}
167
168template<> EIGEN_STRONG_INLINE std::complex<float> predux_mul<Packet2cf>(const Packet2cf& a)
169{
170 Packet4f b;
171 Packet2cf prod;
172 b = vec_sld(a.v, a.v, 8);
173 prod = pmul<Packet2cf>(a, Packet2cf(b));
174
175 return pfirst<Packet2cf>(prod);
176}
177
178template<int Offset>
179struct palign_impl<Offset,Packet2cf>
180{
181 static EIGEN_STRONG_INLINE void run(Packet2cf& first, const Packet2cf& second)
182 {
183 if (Offset==1)
184 {
185#ifdef _BIG_ENDIAN
186 first.v = vec_sld(first.v, second.v, 8);
187#else
188 first.v = vec_sld(second.v, first.v, 8);
189#endif
190 }
191 }
192};
193
194template<> struct conj_helper<Packet2cf, Packet2cf, false,true>
195{
196 EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const
197 { return padd(pmul(x,y),c); }
198
199 EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const
200 {
201 return internal::pmul(a, pconj(b));
202 }
203};
204
205template<> struct conj_helper<Packet2cf, Packet2cf, true,false>
206{
207 EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const
208 { return padd(pmul(x,y),c); }
209
210 EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const
211 {
212 return internal::pmul(pconj(a), b);
213 }
214};
215
216template<> struct conj_helper<Packet2cf, Packet2cf, true,true>
217{
218 EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const
219 { return padd(pmul(x,y),c); }
220
221 EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const
222 {
223 return pconj(internal::pmul(a, b));
224 }
225};
226
227template<> struct conj_helper<Packet4f, Packet2cf, false,false>
228{
229 EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet4f& x, const Packet2cf& y, const Packet2cf& c) const
230 { return padd(c, pmul(x,y)); }
231
232 EIGEN_STRONG_INLINE Packet2cf pmul(const Packet4f& x, const Packet2cf& y) const
233 { return Packet2cf(internal::pmul<Packet4f>(x, y.v)); }
234};
235
236template<> struct conj_helper<Packet2cf, Packet4f, false,false>
237{
238 EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet4f& y, const Packet2cf& c) const
239 { return padd(c, pmul(x,y)); }
240
241 EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& x, const Packet4f& y) const
242 { return Packet2cf(internal::pmul<Packet4f>(x.v, y)); }
243};
244
245template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b)
246{
247 // TODO optimize it for AltiVec
248 Packet2cf res = conj_helper<Packet2cf,Packet2cf,false,true>().pmul(a, b);
249 Packet4f s = pmul<Packet4f>(b.v, b.v);
250 return Packet2cf(pdiv(res.v, padd<Packet4f>(s, vec_perm(s, s, p16uc_COMPLEX32_REV))));
251}
252
253template<> EIGEN_STRONG_INLINE Packet2cf pcplxflip<Packet2cf>(const Packet2cf& x)
254{
255 return Packet2cf(vec_perm(x.v, x.v, p16uc_COMPLEX32_REV));
256}
257
258EIGEN_STRONG_INLINE void ptranspose(PacketBlock<Packet2cf,2>& kernel)
259{
260 Packet4f tmp = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_HI);
261 kernel.packet[1].v = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_LO);
262 kernel.packet[0].v = tmp;
263}
264
265#ifdef __VSX__
266template<> EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, const Packet2cf& thenPacket, const Packet2cf& elsePacket) {
267 Packet2cf result;
268 result.v = reinterpret_cast<Packet4f>(pblend<Packet2d>(ifPacket, reinterpret_cast<Packet2d>(thenPacket.v), reinterpret_cast<Packet2d>(elsePacket.v)));
269 return result;
270}
271#endif
272
273//---------- double ----------
274#ifdef __VSX__
275struct Packet1cd
276{
277 EIGEN_STRONG_INLINE Packet1cd() {}
278 EIGEN_STRONG_INLINE explicit Packet1cd(const Packet2d& a) : v(a) {}
279 Packet2d v;
280};
281
282template<> struct packet_traits<std::complex<double> > : default_packet_traits
283{
284 typedef Packet1cd type;
285 typedef Packet1cd half;
286 enum {
287 Vectorizable = 1,
288 AlignedOnScalar = 0,
289 size = 1,
290 HasHalfPacket = 0,
291
292 HasAdd = 1,
293 HasSub = 1,
294 HasMul = 1,
295 HasDiv = 1,
296 HasNegate = 1,
297 HasAbs = 0,
298 HasAbs2 = 0,
299 HasMin = 0,
300 HasMax = 0,
301 HasSetLinear = 0
302 };
303};
304
305template<> struct unpacket_traits<Packet1cd> { typedef std::complex<double> type; enum {size=1, alignment=Aligned16}; typedef Packet1cd half; };
306
307template<> EIGEN_STRONG_INLINE Packet1cd pload <Packet1cd>(const std::complex<double>* from) { return Packet1cd(pload<Packet2d>((const double*)from)); }
308template<> EIGEN_STRONG_INLINE Packet1cd ploadu<Packet1cd>(const std::complex<double>* from) { return Packet1cd(ploadu<Packet2d>((const double*)from)); }
309template<> EIGEN_STRONG_INLINE void pstore <std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { pstore((double*)to, from.v); }
310template<> EIGEN_STRONG_INLINE void pstoreu<std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { pstoreu((double*)to, from.v); }
311
312template<> EIGEN_STRONG_INLINE Packet1cd pset1<Packet1cd>(const std::complex<double>& from)
313{ /* here we really have to use unaligned loads :( */ return ploadu<Packet1cd>(&from); }
314
315template<> EIGEN_DEVICE_FUNC inline Packet1cd pgather<std::complex<double>, Packet1cd>(const std::complex<double>* from, Index stride)
316{
317 std::complex<double> EIGEN_ALIGN16 af[2];
318 af[0] = from[0*stride];
319 af[1] = from[1*stride];
320 return pload<Packet1cd>(af);
321}
322template<> EIGEN_DEVICE_FUNC inline void pscatter<std::complex<double>, Packet1cd>(std::complex<double>* to, const Packet1cd& from, Index stride)
323{
324 std::complex<double> EIGEN_ALIGN16 af[2];
325 pstore<std::complex<double> >(af, from);
326 to[0*stride] = af[0];
327 to[1*stride] = af[1];
328}
329
330template<> EIGEN_STRONG_INLINE Packet1cd padd<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(a.v + b.v); }
331template<> EIGEN_STRONG_INLINE Packet1cd psub<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(a.v - b.v); }
332template<> EIGEN_STRONG_INLINE Packet1cd pnegate(const Packet1cd& a) { return Packet1cd(pnegate(Packet2d(a.v))); }
333template<> EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a) { return Packet1cd(pxor(a.v, reinterpret_cast<Packet2d>(p2ul_CONJ_XOR2))); }
334
335template<> EIGEN_STRONG_INLINE Packet1cd pmul<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
336{
337 Packet2d a_re, a_im, v1, v2;
338
339 // Permute and multiply the real parts of a and b
340 a_re = vec_perm(a.v, a.v, p16uc_PSET64_HI);
341 // Get the imaginary parts of a
342 a_im = vec_perm(a.v, a.v, p16uc_PSET64_LO);
343 // multiply a_re * b
344 v1 = vec_madd(a_re, b.v, p2d_ZERO);
345 // multiply a_im * b and get the conjugate result
346 v2 = vec_madd(a_im, b.v, p2d_ZERO);
347 v2 = reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4ui>(v2), reinterpret_cast<Packet4ui>(v2), 8));
348 v2 = pxor(v2, reinterpret_cast<Packet2d>(p2ul_CONJ_XOR1));
349
350 return Packet1cd(padd<Packet2d>(v1, v2));
351}
352
353template<> EIGEN_STRONG_INLINE Packet1cd pand <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(pand(a.v,b.v)); }
354template<> EIGEN_STRONG_INLINE Packet1cd por <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(por(a.v,b.v)); }
355template<> EIGEN_STRONG_INLINE Packet1cd pxor <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(pxor(a.v,b.v)); }
356template<> EIGEN_STRONG_INLINE Packet1cd pandnot<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(pandnot(a.v, b.v)); }
357
358template<> EIGEN_STRONG_INLINE Packet1cd ploaddup<Packet1cd>(const std::complex<double>* from) { return pset1<Packet1cd>(*from); }
359
360template<> EIGEN_STRONG_INLINE void prefetch<std::complex<double> >(const std::complex<double> * addr) { EIGEN_PPC_PREFETCH(addr); }
361
362template<> EIGEN_STRONG_INLINE std::complex<double> pfirst<Packet1cd>(const Packet1cd& a)
363{
364 std::complex<double> EIGEN_ALIGN16 res[2];
365 pstore<std::complex<double> >(res, a);
366
367 return res[0];
368}
369
370template<> EIGEN_STRONG_INLINE Packet1cd preverse(const Packet1cd& a) { return a; }
371
372template<> EIGEN_STRONG_INLINE std::complex<double> predux<Packet1cd>(const Packet1cd& a) { return pfirst(a); }
373template<> EIGEN_STRONG_INLINE Packet1cd preduxp<Packet1cd>(const Packet1cd* vecs) { return vecs[0]; }
374
375template<> EIGEN_STRONG_INLINE std::complex<double> predux_mul<Packet1cd>(const Packet1cd& a) { return pfirst(a); }
376
377template<int Offset>
378struct palign_impl<Offset,Packet1cd>
379{
380 static EIGEN_STRONG_INLINE void run(Packet1cd& /*first*/, const Packet1cd& /*second*/)
381 {
382 // FIXME is it sure we never have to align a Packet1cd?
383 // Even though a std::complex<double> has 16 bytes, it is not necessarily aligned on a 16 bytes boundary...
384 }
385};
386
387template<> struct conj_helper<Packet1cd, Packet1cd, false,true>
388{
389 EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const
390 { return padd(pmul(x,y),c); }
391
392 EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const
393 {
394 return internal::pmul(a, pconj(b));
395 }
396};
397
398template<> struct conj_helper<Packet1cd, Packet1cd, true,false>
399{
400 EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const
401 { return padd(pmul(x,y),c); }
402
403 EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const
404 {
405 return internal::pmul(pconj(a), b);
406 }
407};
408
409template<> struct conj_helper<Packet1cd, Packet1cd, true,true>
410{
411 EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const
412 { return padd(pmul(x,y),c); }
413
414 EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const
415 {
416 return pconj(internal::pmul(a, b));
417 }
418};
419template<> struct conj_helper<Packet2d, Packet1cd, false,false>
420{
421 EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet2d& x, const Packet1cd& y, const Packet1cd& c) const
422 { return padd(c, pmul(x,y)); }
423
424 EIGEN_STRONG_INLINE Packet1cd pmul(const Packet2d& x, const Packet1cd& y) const
425 { return Packet1cd(internal::pmul<Packet2d>(x, y.v)); }
426};
427
428template<> struct conj_helper<Packet1cd, Packet2d, false,false>
429{
430 EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet2d& y, const Packet1cd& c) const
431 { return padd(c, pmul(x,y)); }
432
433 EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& x, const Packet2d& y) const
434 { return Packet1cd(internal::pmul<Packet2d>(x.v, y)); }
435};
436
437template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
438{
439 // TODO optimize it for AltiVec
440 Packet1cd res = conj_helper<Packet1cd,Packet1cd,false,true>().pmul(a,b);
441 Packet2d s = pmul<Packet2d>(b.v, b.v);
442 return Packet1cd(pdiv(res.v, padd<Packet2d>(s, vec_perm(s, s, p16uc_REVERSE64))));
443}
444
445EIGEN_STRONG_INLINE Packet1cd pcplxflip/*<Packet1cd>*/(const Packet1cd& x)
446{
447 return Packet1cd(preverse(Packet2d(x.v)));
448}
449
450EIGEN_STRONG_INLINE void ptranspose(PacketBlock<Packet1cd,2>& kernel)
451{
452 Packet2d tmp = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_HI);
453 kernel.packet[1].v = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_LO);
454 kernel.packet[0].v = tmp;
455}
456#endif // __VSX__
457} // end namespace internal
458
459} // end namespace Eigen
460
461#endif // EIGEN_COMPLEX32_ALTIVEC_H
@ Aligned16
Definition: Constants.h:230
Namespace containing all symbols from the Eigen library.
Definition: Core:287
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: Meta.h:33