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diff --git a/extern/Eigen2/Eigen/src/Core/arch/AltiVec/PacketMath.h b/extern/Eigen2/Eigen/src/Core/arch/AltiVec/PacketMath.h
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index 4de3b5e2e0b..00000000000
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@@ -1,354 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra. Eigen itself is part of the KDE project.
-//
-// Copyright (C) 2008 Konstantinos Margaritis <markos@codex.gr>
-//
-// Eigen is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 3 of the License, or (at your option) any later version.
-//
-// Alternatively, you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of
-// the License, or (at your option) any later version.
-//
-// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
-// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License and a copy of the GNU General Public License along with
-// Eigen. If not, see <http://www.gnu.org/licenses/>.
-
-#ifndef EIGEN_PACKET_MATH_ALTIVEC_H
-#define EIGEN_PACKET_MATH_ALTIVEC_H
-
-#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD
-#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 4
-#endif
-
-typedef __vector float v4f;
-typedef __vector int v4i;
-typedef __vector unsigned int v4ui;
-typedef __vector __bool int v4bi;
-
-// We don't want to write the same code all the time, but we need to reuse the constants
-// and it doesn't really work to declare them global, so we define macros instead
-
-#define USE_CONST_v0i const v4i v0i = vec_splat_s32(0)
-#define USE_CONST_v1i const v4i v1i = vec_splat_s32(1)
-#define USE_CONST_v16i_ const v4i v16i_ = vec_splat_s32(-16)
-#define USE_CONST_v0f USE_CONST_v0i; const v4f v0f = (v4f) v0i
-#define USE_CONST_v1f USE_CONST_v1i; const v4f v1f = vec_ctf(v1i, 0)
-#define USE_CONST_v1i_ const v4ui v1i_ = vec_splat_u32(-1)
-#define USE_CONST_v0f_ USE_CONST_v1i_; const v4f v0f_ = (v4f) vec_sl(v1i_, v1i_)
-
-template<> struct ei_packet_traits<float> { typedef v4f type; enum {size=4}; };
-template<> struct ei_packet_traits<int> { typedef v4i type; enum {size=4}; };
-
-template<> struct ei_unpacket_traits<v4f> { typedef float type; enum {size=4}; };
-template<> struct ei_unpacket_traits<v4i> { typedef int type; enum {size=4}; };
-
-inline std::ostream & operator <<(std::ostream & s, const v4f & v)
-{
- union {
- v4f v;
- float n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-
-inline std::ostream & operator <<(std::ostream & s, const v4i & v)
-{
- union {
- v4i v;
- int n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-
-inline std::ostream & operator <<(std::ostream & s, const v4ui & v)
-{
- union {
- v4ui v;
- unsigned int n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-
-inline std::ostream & operator <<(std::ostream & s, const v4bi & v)
-{
- union {
- __vector __bool int v;
- unsigned int n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-
-template<> inline v4f ei_padd(const v4f& a, const v4f& b) { return vec_add(a,b); }
-template<> inline v4i ei_padd(const v4i& a, const v4i& b) { return vec_add(a,b); }
-
-template<> inline v4f ei_psub(const v4f& a, const v4f& b) { return vec_sub(a,b); }
-template<> inline v4i ei_psub(const v4i& a, const v4i& b) { return vec_sub(a,b); }
-
-template<> inline v4f ei_pmul(const v4f& a, const v4f& b) { USE_CONST_v0f; return vec_madd(a,b, v0f); }
-template<> inline v4i ei_pmul(const v4i& a, const v4i& b)
-{
- // Detailed in: http://freevec.org/content/32bit_signed_integer_multiplication_altivec
- //Set up constants, variables
- v4i a1, b1, bswap, low_prod, high_prod, prod, prod_, v1sel;
- USE_CONST_v0i;
- USE_CONST_v1i;
- USE_CONST_v16i_;
-
- // Get the absolute values
- a1 = vec_abs(a);
- b1 = vec_abs(b);
-
- // Get the signs using xor
- v4bi sgn = (v4bi) vec_cmplt(vec_xor(a, b), v0i);
-
- // Do the multiplication for the asbolute values.
- bswap = (v4i) vec_rl((v4ui) b1, (v4ui) v16i_ );
- low_prod = vec_mulo((__vector short)a1, (__vector short)b1);
- high_prod = vec_msum((__vector short)a1, (__vector short)bswap, v0i);
- high_prod = (v4i) vec_sl((v4ui) high_prod, (v4ui) v16i_);
- prod = vec_add( low_prod, high_prod );
-
- // NOR the product and select only the negative elements according to the sign mask
- prod_ = vec_nor(prod, prod);
- prod_ = vec_sel(v0i, prod_, sgn);
-
- // Add 1 to the result to get the negative numbers
- v1sel = vec_sel(v0i, v1i, sgn);
- prod_ = vec_add(prod_, v1sel);
-
- // Merge the results back to the final vector.
- prod = vec_sel(prod, prod_, sgn);
-
- return prod;
-}
-
-template<> inline v4f ei_pdiv(const v4f& a, const v4f& b) {
- v4f t, y_0, y_1, res;
- USE_CONST_v0f;
- USE_CONST_v1f;
-
- // Altivec does not offer a divide instruction, we have to do a reciprocal approximation
- y_0 = vec_re(b);
-
- // Do one Newton-Raphson iteration to get the needed accuracy
- t = vec_nmsub(y_0, b, v1f);
- y_1 = vec_madd(y_0, t, y_0);
-
- res = vec_madd(a, y_1, v0f);
- return res;
-}
-
-template<> inline v4f ei_pmadd(const v4f& a, const v4f& b, const v4f& c) { return vec_madd(a, b, c); }
-
-template<> inline v4f ei_pmin(const v4f& a, const v4f& b) { return vec_min(a,b); }
-template<> inline v4i ei_pmin(const v4i& a, const v4i& b) { return vec_min(a,b); }
-
-template<> inline v4f ei_pmax(const v4f& a, const v4f& b) { return vec_max(a,b); }
-template<> inline v4i ei_pmax(const v4i& a, const v4i& b) { return vec_max(a,b); }
-
-template<> inline v4f ei_pload(const float* from) { return vec_ld(0, from); }
-template<> inline v4i ei_pload(const int* from) { return vec_ld(0, from); }
-
-template<> inline v4f ei_ploadu(const float* from)
-{
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- __vector unsigned char MSQ, LSQ;
- __vector unsigned char mask;
- MSQ = vec_ld(0, (unsigned char *)from); // most significant quadword
- LSQ = vec_ld(15, (unsigned char *)from); // least significant quadword
- mask = vec_lvsl(0, from); // create the permute mask
- return (v4f) vec_perm(MSQ, LSQ, mask); // align the data
-}
-
-template<> inline v4i ei_ploadu(const int* from)
-{
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- __vector unsigned char MSQ, LSQ;
- __vector unsigned char mask;
- MSQ = vec_ld(0, (unsigned char *)from); // most significant quadword
- LSQ = vec_ld(15, (unsigned char *)from); // least significant quadword
- mask = vec_lvsl(0, from); // create the permute mask
- return (v4i) vec_perm(MSQ, LSQ, mask); // align the data
-}
-
-template<> inline v4f ei_pset1(const float& from)
-{
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- float __attribute__(aligned(16)) af[4];
- af[0] = from;
- v4f vc = vec_ld(0, af);
- vc = vec_splat(vc, 0);
- return vc;
-}
-
-template<> inline v4i ei_pset1(const int& from)
-{
- int __attribute__(aligned(16)) ai[4];
- ai[0] = from;
- v4i vc = vec_ld(0, ai);
- vc = vec_splat(vc, 0);
- return vc;
-}
-
-template<> inline void ei_pstore(float* to, const v4f& from) { vec_st(from, 0, to); }
-template<> inline void ei_pstore(int* to, const v4i& from) { vec_st(from, 0, to); }
-
-template<> inline void ei_pstoreu(float* to, const v4f& from)
-{
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- // Warning: not thread safe!
- __vector unsigned char MSQ, LSQ, edges;
- __vector unsigned char edgeAlign, align;
-
- MSQ = vec_ld(0, (unsigned char *)to); // most significant quadword
- LSQ = vec_ld(15, (unsigned char *)to); // least significant quadword
- edgeAlign = vec_lvsl(0, to); // permute map to extract edges
- edges=vec_perm(LSQ,MSQ,edgeAlign); // extract the edges
- align = vec_lvsr( 0, to ); // permute map to misalign data
- MSQ = vec_perm(edges,(__vector unsigned char)from,align); // misalign the data (MSQ)
- LSQ = vec_perm((__vector unsigned char)from,edges,align); // misalign the data (LSQ)
- vec_st( LSQ, 15, (unsigned char *)to ); // Store the LSQ part first
- vec_st( MSQ, 0, (unsigned char *)to ); // Store the MSQ part
-}
-
-template<> inline void ei_pstoreu(int* to , const v4i& from )
-{
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- // Warning: not thread safe!
- __vector unsigned char MSQ, LSQ, edges;
- __vector unsigned char edgeAlign, align;
-
- MSQ = vec_ld(0, (unsigned char *)to); // most significant quadword
- LSQ = vec_ld(15, (unsigned char *)to); // least significant quadword
- edgeAlign = vec_lvsl(0, to); // permute map to extract edges
- edges=vec_perm(LSQ,MSQ,edgeAlign); // extract the edges
- align = vec_lvsr( 0, to ); // permute map to misalign data
- MSQ = vec_perm(edges,(__vector unsigned char)from,align); // misalign the data (MSQ)
- LSQ = vec_perm((__vector unsigned char)from,edges,align); // misalign the data (LSQ)
- vec_st( LSQ, 15, (unsigned char *)to ); // Store the LSQ part first
- vec_st( MSQ, 0, (unsigned char *)to ); // Store the MSQ part
-}
-
-template<> inline float ei_pfirst(const v4f& a)
-{
- float __attribute__(aligned(16)) af[4];
- vec_st(a, 0, af);
- return af[0];
-}
-
-template<> inline int ei_pfirst(const v4i& a)
-{
- int __attribute__(aligned(16)) ai[4];
- vec_st(a, 0, ai);
- return ai[0];
-}
-
-inline v4f ei_preduxp(const v4f* vecs)
-{
- v4f v[4], sum[4];
-
- // It's easier and faster to transpose then add as columns
- // Check: http://www.freevec.org/function/matrix_4x4_transpose_floats for explanation
- // Do the transpose, first set of moves
- v[0] = vec_mergeh(vecs[0], vecs[2]);
- v[1] = vec_mergel(vecs[0], vecs[2]);
- v[2] = vec_mergeh(vecs[1], vecs[3]);
- v[3] = vec_mergel(vecs[1], vecs[3]);
- // Get the resulting vectors
- sum[0] = vec_mergeh(v[0], v[2]);
- sum[1] = vec_mergel(v[0], v[2]);
- sum[2] = vec_mergeh(v[1], v[3]);
- sum[3] = vec_mergel(v[1], v[3]);
-
- // Now do the summation:
- // Lines 0+1
- sum[0] = vec_add(sum[0], sum[1]);
- // Lines 2+3
- sum[1] = vec_add(sum[2], sum[3]);
- // Add the results
- sum[0] = vec_add(sum[0], sum[1]);
- return sum[0];
-}
-
-inline float ei_predux(const v4f& a)
-{
- v4f b, sum;
- b = (v4f)vec_sld(a, a, 8);
- sum = vec_add(a, b);
- b = (v4f)vec_sld(sum, sum, 4);
- sum = vec_add(sum, b);
- return ei_pfirst(sum);
-}
-
-inline v4i ei_preduxp(const v4i* vecs)
-{
- v4i v[4], sum[4];
-
- // It's easier and faster to transpose then add as columns
- // Check: http://www.freevec.org/function/matrix_4x4_transpose_floats for explanation
- // Do the transpose, first set of moves
- v[0] = vec_mergeh(vecs[0], vecs[2]);
- v[1] = vec_mergel(vecs[0], vecs[2]);
- v[2] = vec_mergeh(vecs[1], vecs[3]);
- v[3] = vec_mergel(vecs[1], vecs[3]);
- // Get the resulting vectors
- sum[0] = vec_mergeh(v[0], v[2]);
- sum[1] = vec_mergel(v[0], v[2]);
- sum[2] = vec_mergeh(v[1], v[3]);
- sum[3] = vec_mergel(v[1], v[3]);
-
- // Now do the summation:
- // Lines 0+1
- sum[0] = vec_add(sum[0], sum[1]);
- // Lines 2+3
- sum[1] = vec_add(sum[2], sum[3]);
- // Add the results
- sum[0] = vec_add(sum[0], sum[1]);
- return sum[0];
-}
-
-inline int ei_predux(const v4i& a)
-{
- USE_CONST_v0i;
- v4i sum;
- sum = vec_sums(a, v0i);
- sum = vec_sld(sum, v0i, 12);
- return ei_pfirst(sum);
-}
-
-template<int Offset>
-struct ei_palign_impl<Offset, v4f>
-{
- inline static void run(v4f& first, const v4f& second)
- {
- first = vec_sld(first, second, Offset*4);
- }
-};
-
-template<int Offset>
-struct ei_palign_impl<Offset, v4i>
-{
- inline static void run(v4i& first, const v4i& second)
- {
- first = vec_sld(first, second, Offset*4);
- }
-};
-
-#endif // EIGEN_PACKET_MATH_ALTIVEC_H
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