10 #ifndef EIGEN_PACKET_MATH_ZVECTOR_H 11 #define EIGEN_PACKET_MATH_ZVECTOR_H 19 #ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 20 #define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 4 23 #ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD 24 #define EIGEN_HAS_SINGLE_INSTRUCTION_MADD 27 #ifndef EIGEN_HAS_SINGLE_INSTRUCTION_CJMADD 28 #define EIGEN_HAS_SINGLE_INSTRUCTION_CJMADD 32 #ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 33 #define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 32 36 typedef __vector
int Packet4i;
37 typedef __vector
unsigned int Packet4ui;
38 typedef __vector __bool
int Packet4bi;
39 typedef __vector
short int Packet8i;
40 typedef __vector
unsigned char Packet16uc;
41 typedef __vector
double Packet2d;
42 typedef __vector
unsigned long long Packet2ul;
43 typedef __vector
long long Packet2l;
61 #define _EIGEN_DECLARE_CONST_FAST_Packet4i(NAME,X) \ 62 Packet4i p4i_##NAME = reinterpret_cast<Packet4i>(vec_splat_s32(X)) 64 #define _EIGEN_DECLARE_CONST_FAST_Packet2d(NAME,X) \ 65 Packet2d p2d_##NAME = reinterpret_cast<Packet2d>(vec_splat_s64(X)) 67 #define _EIGEN_DECLARE_CONST_FAST_Packet2l(NAME,X) \ 68 Packet2l p2l_##NAME = reinterpret_cast<Packet2l>(vec_splat_s64(X)) 70 #define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \ 71 Packet4i p4i_##NAME = pset1<Packet4i>(X) 73 #define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \ 74 Packet2d p2d_##NAME = pset1<Packet2d>(X) 76 #define _EIGEN_DECLARE_CONST_Packet2l(NAME,X) \ 77 Packet2l p2l_##NAME = pset1<Packet2l>(X) 81 static _EIGEN_DECLARE_CONST_FAST_Packet4i(ONE, 1);
83 static _EIGEN_DECLARE_CONST_FAST_Packet2d(ZERO, 0);
84 static _EIGEN_DECLARE_CONST_FAST_Packet2l(ZERO, 0);
85 static _EIGEN_DECLARE_CONST_FAST_Packet2l(ONE, 1);
87 static Packet2d p2d_ONE = { 1.0, 1.0 };
88 static Packet2d p2d_ZERO_ = { -0.0, -0.0 };
90 static Packet4i p4i_COUNTDOWN = { 0, 1, 2, 3 };
91 static Packet2d p2d_COUNTDOWN =
reinterpret_cast<Packet2d
>(vec_sld(reinterpret_cast<Packet16uc>(p2d_ZERO), reinterpret_cast<Packet16uc>(p2d_ONE), 8));
93 static Packet16uc p16uc_PSET64_HI = { 0,1,2,3, 4,5,6,7, 0,1,2,3, 4,5,6,7 };
94 static Packet16uc p16uc_DUPLICATE32_HI = { 0,1,2,3, 0,1,2,3, 4,5,6,7, 4,5,6,7 };
97 #define _EIGEN_MASK_ALIGNMENT 0xfffffffffffffff0 99 #define _EIGEN_ALIGNED_PTR(x) ((ptrdiff_t)(x) & _EIGEN_MASK_ALIGNMENT) 104 static Packet16uc p16uc_FORWARD = { 0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15 };
105 static Packet16uc p16uc_REVERSE32 = { 12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3 };
106 static Packet16uc p16uc_REVERSE64 = { 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
108 static Packet16uc p16uc_PSET32_WODD = vec_sld((Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 0), (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 2), 8);
109 static Packet16uc p16uc_PSET32_WEVEN = vec_sld(p16uc_DUPLICATE32_HI, (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 3), 8);
113 static Packet16uc p16uc_PSET64_LO = (Packet16uc) vec_mergel((Packet4ui)p16uc_PSET32_WODD, (Packet4ui)p16uc_PSET32_WEVEN);
116 static Packet16uc p16uc_TRANSPOSE64_HI = { 0,1,2,3, 4,5,6,7, 16,17,18,19, 20,21,22,23};
117 static Packet16uc p16uc_TRANSPOSE64_LO = { 8,9,10,11, 12,13,14,15, 24,25,26,27, 28,29,30,31};
124 #if EIGEN_HAS_BUILTIN(__builtin_prefetch) || EIGEN_COMP_GNUC 125 #define EIGEN_ZVECTOR_PREFETCH(ADDR) __builtin_prefetch(ADDR); 127 #define EIGEN_ZVECTOR_PREFETCH(ADDR) asm( " pfd [%[addr]]\n" :: [addr] "r" (ADDR) : "cc" ); 130 template<>
struct packet_traits<int> : default_packet_traits
132 typedef Packet4i type;
133 typedef Packet4i half;
150 template<>
struct packet_traits<double> : default_packet_traits
152 typedef Packet2d type;
153 typedef Packet2d half;
182 template<>
struct unpacket_traits<Packet4i> {
typedef int type;
enum {size=4, alignment=
Aligned16};
typedef Packet4i half; };
183 template<>
struct unpacket_traits<Packet2d> {
typedef double type;
enum {size=2, alignment=
Aligned16};
typedef Packet2d half; };
185 inline std::ostream & operator <<(std::ostream & s,
const Packet4i & v)
189 s << vt.i[0] <<
", " << vt.i[1] <<
", " << vt.i[2] <<
", " << vt.i[3];
193 inline std::ostream & operator <<(std::ostream & s,
const Packet4ui & v)
197 s << vt.ui[0] <<
", " << vt.ui[1] <<
", " << vt.ui[2] <<
", " << vt.ui[3];
201 inline std::ostream & operator <<(std::ostream & s,
const Packet2l & v)
205 s << vt.l[0] <<
", " << vt.l[1];
209 inline std::ostream & operator <<(std::ostream & s,
const Packet2ul & v)
213 s << vt.ul[0] <<
", " << vt.ul[1] ;
217 inline std::ostream & operator <<(std::ostream & s,
const Packet2d & v)
221 s << vt.d[0] <<
", " << vt.d[1];
226 struct palign_impl<Offset,Packet4i>
228 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
230 switch (Offset % 4) {
232 first = vec_sld(first, second, 4);
break;
234 first = vec_sld(first, second, 8);
break;
236 first = vec_sld(first, second, 12);
break;
242 struct palign_impl<Offset,Packet2d>
244 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
247 first =
reinterpret_cast<Packet2d
>(vec_sld(reinterpret_cast<Packet4i>(first), reinterpret_cast<Packet4i>(second), 8));
251 template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(
const int* from)
254 EIGEN_DEBUG_ALIGNED_LOAD
256 vfrom = (Packet *) from;
260 template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(
const double* from)
263 EIGEN_DEBUG_ALIGNED_LOAD
265 vfrom = (Packet *) from;
269 template<> EIGEN_STRONG_INLINE
void pstore<int>(
int* to,
const Packet4i& from)
272 EIGEN_DEBUG_ALIGNED_STORE
278 template<> EIGEN_STRONG_INLINE
void pstore<double>(
double* to,
const Packet2d& from)
281 EIGEN_DEBUG_ALIGNED_STORE
287 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from)
289 return vec_splats(from);
292 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
293 return vec_splats(from);
296 template<> EIGEN_STRONG_INLINE
void 297 pbroadcast4<Packet4i>(
const int *a,
298 Packet4i& a0, Packet4i& a1, Packet4i& a2, Packet4i& a3)
300 a3 = pload<Packet4i>(a);
301 a0 = vec_splat(a3, 0);
302 a1 = vec_splat(a3, 1);
303 a2 = vec_splat(a3, 2);
304 a3 = vec_splat(a3, 3);
307 template<> EIGEN_STRONG_INLINE
void 308 pbroadcast4<Packet2d>(
const double *a,
309 Packet2d& a0, Packet2d& a1, Packet2d& a2, Packet2d& a3)
311 a1 = pload<Packet2d>(a);
312 a0 = vec_splat(a1, 0);
313 a1 = vec_splat(a1, 1);
314 a3 = pload<Packet2d>(a+2);
315 a2 = vec_splat(a3, 0);
316 a3 = vec_splat(a3, 1);
319 template<> EIGEN_DEVICE_FUNC
inline Packet4i pgather<int, Packet4i>(
const int* from,
Index stride)
321 int EIGEN_ALIGN16 ai[4];
322 ai[0] = from[0*stride];
323 ai[1] = from[1*stride];
324 ai[2] = from[2*stride];
325 ai[3] = from[3*stride];
326 return pload<Packet4i>(ai);
329 template<> EIGEN_DEVICE_FUNC
inline Packet2d pgather<double, Packet2d>(
const double* from,
Index stride)
331 double EIGEN_ALIGN16 af[2];
332 af[0] = from[0*stride];
333 af[1] = from[1*stride];
334 return pload<Packet2d>(af);
337 template<> EIGEN_DEVICE_FUNC
inline void pscatter<int, Packet4i>(
int* to,
const Packet4i& from,
Index stride)
339 int EIGEN_ALIGN16 ai[4];
340 pstore<int>((
int *)ai, from);
341 to[0*stride] = ai[0];
342 to[1*stride] = ai[1];
343 to[2*stride] = ai[2];
344 to[3*stride] = ai[3];
347 template<> EIGEN_DEVICE_FUNC
inline void pscatter<double, Packet2d>(
double* to,
const Packet2d& from,
Index stride)
349 double EIGEN_ALIGN16 af[2];
350 pstore<double>(af, from);
351 to[0*stride] = af[0];
352 to[1*stride] = af[1];
355 template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return (a + b); }
356 template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return (a + b); }
358 template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return (a - b); }
359 template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return (a - b); }
361 template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return (a * b); }
362 template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return (a * b); }
364 template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return (a / b); }
365 template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return (a / b); }
367 template<> EIGEN_STRONG_INLINE Packet4i pnegate(
const Packet4i& a) {
return (-a); }
368 template<> EIGEN_STRONG_INLINE Packet2d pnegate(
const Packet2d& a) {
return (-a); }
370 template<> EIGEN_STRONG_INLINE Packet4i pconj(
const Packet4i& a) {
return a; }
371 template<> EIGEN_STRONG_INLINE Packet2d pconj(
const Packet2d& a) {
return a; }
373 template<> EIGEN_STRONG_INLINE Packet4i pmadd(
const Packet4i& a,
const Packet4i& b,
const Packet4i& c) {
return padd<Packet4i>(pmul<Packet4i>(a, b), c); }
374 template<> EIGEN_STRONG_INLINE Packet2d pmadd(
const Packet2d& a,
const Packet2d& b,
const Packet2d& c) {
return vec_madd(a, b, c); }
376 template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(
const int& a) {
return padd<Packet4i>(pset1<Packet4i>(a), p4i_COUNTDOWN); }
377 template<> EIGEN_STRONG_INLINE Packet2d plset<Packet2d>(
const double& a) {
return padd<Packet2d>(pset1<Packet2d>(a), p2d_COUNTDOWN); }
379 template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return vec_min(a, b); }
380 template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return vec_min(a, b); }
382 template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return vec_max(a, b); }
383 template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return vec_max(a, b); }
385 template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return vec_and(a, b); }
386 template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return vec_and(a, b); }
388 template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return vec_or(a, b); }
389 template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return vec_or(a, b); }
391 template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return vec_xor(a, b); }
392 template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return vec_xor(a, b); }
394 template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return pand<Packet4i>(a, vec_nor(b, b)); }
395 template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return vec_and(a, vec_nor(b, b)); }
397 template<> EIGEN_STRONG_INLINE Packet2d pround<Packet2d>(
const Packet2d& a) {
return vec_round(a); }
398 template<> EIGEN_STRONG_INLINE Packet2d pceil<Packet2d>(
const Packet2d& a) {
return vec_ceil(a); }
399 template<> EIGEN_STRONG_INLINE Packet2d pfloor<Packet2d>(
const Packet2d& a) {
return vec_floor(a); }
401 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(
const int* from) {
return pload<Packet4i>(from); }
402 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(
const double* from) {
return pload<Packet2d>(from); }
405 template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(
const int* from)
407 Packet4i p = pload<Packet4i>(from);
408 return vec_perm(p, p, p16uc_DUPLICATE32_HI);
411 template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(
const double* from)
413 Packet2d p = pload<Packet2d>(from);
414 return vec_perm(p, p, p16uc_PSET64_HI);
417 template<> EIGEN_STRONG_INLINE
void pstoreu<int>(
int* to,
const Packet4i& from) { pstore<int>(to, from); }
418 template<> EIGEN_STRONG_INLINE
void pstoreu<double>(
double* to,
const Packet2d& from) { pstore<double>(to, from); }
420 template<> EIGEN_STRONG_INLINE
void prefetch<int>(
const int* addr) { EIGEN_ZVECTOR_PREFETCH(addr); }
421 template<> EIGEN_STRONG_INLINE
void prefetch<double>(
const double* addr) { EIGEN_ZVECTOR_PREFETCH(addr); }
423 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int EIGEN_ALIGN16 x[4]; pstore(x, a);
return x[0]; }
424 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
double EIGEN_ALIGN16 x[2]; pstore(x, a);
return x[0]; }
426 template<> EIGEN_STRONG_INLINE Packet4i preverse(
const Packet4i& a)
428 return reinterpret_cast<Packet4i
>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE32));
431 template<> EIGEN_STRONG_INLINE Packet2d preverse(
const Packet2d& a)
433 return reinterpret_cast<Packet2d
>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE64));
436 template<> EIGEN_STRONG_INLINE Packet4i pabs(
const Packet4i& a) {
return vec_abs(a); }
437 template<> EIGEN_STRONG_INLINE Packet2d pabs(
const Packet2d& a) {
return vec_abs(a); }
439 template<> EIGEN_STRONG_INLINE
int predux<Packet4i>(
const Packet4i& a)
442 b = vec_sld(a, a, 8);
443 sum = padd<Packet4i>(a, b);
444 b = vec_sld(sum, sum, 4);
445 sum = padd<Packet4i>(sum, b);
449 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a)
452 b =
reinterpret_cast<Packet2d
>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8));
453 sum = padd<Packet2d>(a, b);
457 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(
const Packet4i* vecs)
459 Packet4i v[4], sum[4];
464 v[0] = vec_mergeh(vecs[0], vecs[2]);
465 v[1] = vec_mergel(vecs[0], vecs[2]);
466 v[2] = vec_mergeh(vecs[1], vecs[3]);
467 v[3] = vec_mergel(vecs[1], vecs[3]);
469 sum[0] = vec_mergeh(v[0], v[2]);
470 sum[1] = vec_mergel(v[0], v[2]);
471 sum[2] = vec_mergeh(v[1], v[3]);
472 sum[3] = vec_mergel(v[1], v[3]);
476 sum[0] = padd<Packet4i>(sum[0], sum[1]);
478 sum[1] = padd<Packet4i>(sum[2], sum[3]);
480 sum[0] = padd<Packet4i>(sum[0], sum[1]);
485 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
488 v[0] = padd<Packet2d>(vecs[0],
reinterpret_cast<Packet2d
>(vec_sld(reinterpret_cast<Packet4ui>(vecs[0]), reinterpret_cast<Packet4ui>(vecs[0]), 8)));
489 v[1] = padd<Packet2d>(vecs[1],
reinterpret_cast<Packet2d
>(vec_sld(reinterpret_cast<Packet4ui>(vecs[1]), reinterpret_cast<Packet4ui>(vecs[1]), 8)));
491 sum =
reinterpret_cast<Packet2d
>(vec_sld(reinterpret_cast<Packet4ui>(v[0]), reinterpret_cast<Packet4ui>(v[1]), 8));
498 template<> EIGEN_STRONG_INLINE
int predux_mul<Packet4i>(
const Packet4i& a)
500 EIGEN_ALIGN16
int aux[4];
502 return aux[0] * aux[1] * aux[2] * aux[3];
505 template<> EIGEN_STRONG_INLINE
double predux_mul<Packet2d>(
const Packet2d& a)
507 return pfirst(pmul(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8))));
511 template<> EIGEN_STRONG_INLINE
int predux_min<Packet4i>(
const Packet4i& a)
514 b = pmin<Packet4i>(a, vec_sld(a, a, 8));
515 res = pmin<Packet4i>(b, vec_sld(b, b, 4));
519 template<> EIGEN_STRONG_INLINE
double predux_min<Packet2d>(
const Packet2d& a)
521 return pfirst(pmin<Packet2d>(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8))));
525 template<> EIGEN_STRONG_INLINE
int predux_max<Packet4i>(
const Packet4i& a)
528 b = pmax<Packet4i>(a, vec_sld(a, a, 8));
529 res = pmax<Packet4i>(b, vec_sld(b, b, 4));
534 template<> EIGEN_STRONG_INLINE
double predux_max<Packet2d>(
const Packet2d& a)
536 return pfirst(pmax<Packet2d>(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8))));
539 EIGEN_DEVICE_FUNC
inline void 540 ptranspose(PacketBlock<Packet4i,4>& kernel) {
541 Packet4i t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
542 Packet4i t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
543 Packet4i t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
544 Packet4i t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
545 kernel.packet[0] = vec_mergeh(t0, t2);
546 kernel.packet[1] = vec_mergel(t0, t2);
547 kernel.packet[2] = vec_mergeh(t1, t3);
548 kernel.packet[3] = vec_mergel(t1, t3);
551 EIGEN_DEVICE_FUNC
inline void 552 ptranspose(PacketBlock<Packet2d,2>& kernel) {
553 Packet2d t0 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_HI);
554 Packet2d t1 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_LO);
555 kernel.packet[0] = t0;
556 kernel.packet[1] = t1;
559 template<> EIGEN_STRONG_INLINE Packet4i pblend(
const Selector<4>& ifPacket,
const Packet4i& thenPacket,
const Packet4i& elsePacket) {
560 Packet4ui select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3] };
561 Packet4ui mask = vec_cmpeq(select, reinterpret_cast<Packet4ui>(p4i_ONE));
562 return vec_sel(elsePacket, thenPacket, mask);
565 template<> EIGEN_STRONG_INLINE Packet2d pblend(
const Selector<2>& ifPacket,
const Packet2d& thenPacket,
const Packet2d& elsePacket) {
566 Packet2ul select = { ifPacket.select[0], ifPacket.select[1] };
567 Packet2ul mask = vec_cmpeq(select, reinterpret_cast<Packet2ul>(p2l_ONE));
568 return vec_sel(elsePacket, thenPacket, mask);
575 #endif // EIGEN_PACKET_MATH_ZVECTOR_H Definition: Constants.h:230
Namespace containing all symbols from the Eigen library.
Definition: Core:271
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: XprHelper.h:35
Definition: Eigen_Colamd.h:50