gnu: eigen: Update to 3.3.4.

* gnu/packages/patches/eigen-arm-neon-fixes.patch: New patch.
* gnu/packages/algebra.scm (eigen): Update to 3.3.4.
[source]: Use patch.  Disable svd-preallocation test for BDCSVD.
[arguments]: Set "EIGEN_SEED" environment variable in check phase.
* gnu/local.mk (dist_patch_DATA): Add patch.

1 files changed, 245 insertions, 0 deletions

diff --git a/gnu/packages/patches/eigen-arm-neon-fixes.patch b/gnu/packages/patches/eigen-arm-neon-fixes.patch
new file mode 100644
index 0000000000..0838f30463
--- /dev/null
+++ b/gnu/packages/patches/eigen-arm-neon-fixes.patch
@@ -0,0 +1,245 @@
+# HG changeset patch
+# User Gael Guennebaud <g.gael@free.fr>
+# Date 1497514590 -7200
+# Node ID d781c1de98342c5ca29c2fe719d8d3c96a35dcd4
+# Parent  48cd83b2b459aa9f3f5dca135d38760fe0b02a2f
+Bug 1436: fix compilation of Jacobi rotations with ARM NEON, some specializations of internal::conj_helper were missing.
+
+diff --git a/Eigen/Core b/Eigen/Core
+--- a/Eigen/Core
++++ b/Eigen/Core
+@@ -371,6 +371,7 @@
+ #include "src/Core/MathFunctions.h"
+ #include "src/Core/GenericPacketMath.h"
+ #include "src/Core/MathFunctionsImpl.h"
++#include "src/Core/arch/Default/ConjHelper.h"
+ 
+ #if defined EIGEN_VECTORIZE_AVX512
+   #include "src/Core/arch/SSE/PacketMath.h"
+diff --git a/Eigen/src/Core/arch/AVX/Complex.h b/Eigen/src/Core/arch/AVX/Complex.h
+--- a/Eigen/src/Core/arch/AVX/Complex.h
++++ b/Eigen/src/Core/arch/AVX/Complex.h
+@@ -204,23 +204,7 @@
+   }
+ };
+ 
+-template<> struct conj_helper<Packet8f, Packet4cf, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet4cf pmadd(const Packet8f& x, const Packet4cf& y, const Packet4cf& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet4cf pmul(const Packet8f& x, const Packet4cf& y) const
+-  { return Packet4cf(Eigen::internal::pmul(x, y.v)); }
+-};
+-
+-template<> struct conj_helper<Packet4cf, Packet8f, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet4cf pmadd(const Packet4cf& x, const Packet8f& y, const Packet4cf& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet4cf pmul(const Packet4cf& x, const Packet8f& y) const
+-  { return Packet4cf(Eigen::internal::pmul(x.v, y)); }
+-};
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet4cf,Packet8f)
+ 
+ template<> EIGEN_STRONG_INLINE Packet4cf pdiv<Packet4cf>(const Packet4cf& a, const Packet4cf& b)
+ {
+@@ -400,23 +384,7 @@
+   }
+ };
+ 
+-template<> struct conj_helper<Packet4d, Packet2cd, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet2cd pmadd(const Packet4d& x, const Packet2cd& y, const Packet2cd& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet2cd pmul(const Packet4d& x, const Packet2cd& y) const
+-  { return Packet2cd(Eigen::internal::pmul(x, y.v)); }
+-};
+-
+-template<> struct conj_helper<Packet2cd, Packet4d, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet2cd pmadd(const Packet2cd& x, const Packet4d& y, const Packet2cd& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet2cd pmul(const Packet2cd& x, const Packet4d& y) const
+-  { return Packet2cd(Eigen::internal::pmul(x.v, y)); }
+-};
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cd,Packet4d)
+ 
+ template<> EIGEN_STRONG_INLINE Packet2cd pdiv<Packet2cd>(const Packet2cd& a, const Packet2cd& b)
+ {
+diff --git a/Eigen/src/Core/arch/AltiVec/Complex.h b/Eigen/src/Core/arch/AltiVec/Complex.h
+--- a/Eigen/src/Core/arch/AltiVec/Complex.h
++++ b/Eigen/src/Core/arch/AltiVec/Complex.h
+@@ -224,23 +224,7 @@
+   }
+ };
+ 
+-template<> struct conj_helper<Packet4f, Packet2cf, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet4f& x, const Packet2cf& y, const Packet2cf& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet2cf pmul(const Packet4f& x, const Packet2cf& y) const
+-  { return Packet2cf(internal::pmul<Packet4f>(x, y.v)); }
+-};
+-
+-template<> struct conj_helper<Packet2cf, Packet4f, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet4f& y, const Packet2cf& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& x, const Packet4f& y) const
+-  { return Packet2cf(internal::pmul<Packet4f>(x.v, y)); }
+-};
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cf,Packet4f)
+ 
+ template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b)
+ {
+@@ -416,23 +400,8 @@
+     return pconj(internal::pmul(a, b));
+   }
+ };
+-template<> struct conj_helper<Packet2d, Packet1cd, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet2d& x, const Packet1cd& y, const Packet1cd& c) const
+-  { return padd(c, pmul(x,y)); }
+ 
+-  EIGEN_STRONG_INLINE Packet1cd pmul(const Packet2d& x, const Packet1cd& y) const
+-  { return Packet1cd(internal::pmul<Packet2d>(x, y.v)); }
+-};
+-
+-template<> struct conj_helper<Packet1cd, Packet2d, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet2d& y, const Packet1cd& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& x, const Packet2d& y) const
+-  { return Packet1cd(internal::pmul<Packet2d>(x.v, y)); }
+-};
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet1cd,Packet2d)
+ 
+ template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
+ {
+diff --git a/Eigen/src/Core/arch/Default/ConjHelper.h b/Eigen/src/Core/arch/Default/ConjHelper.h
+new file mode 100644
+--- /dev/null
++++ b/Eigen/src/Core/arch/Default/ConjHelper.h
+@@ -0,0 +1,29 @@
++
++// This file is part of Eigen, a lightweight C++ template library
++// for linear algebra.
++//
++// Copyright (C) 2017 Gael Guennebaud <gael.guennebaud@inria.fr>
++//
++// This Source Code Form is subject to the terms of the Mozilla
++// Public License v. 2.0. If a copy of the MPL was not distributed
++// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
++
++#ifndef EIGEN_ARCH_CONJ_HELPER_H
++#define EIGEN_ARCH_CONJ_HELPER_H
++
++#define EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(PACKET_CPLX, PACKET_REAL)                                                          \
++  template<> struct conj_helper<PACKET_REAL, PACKET_CPLX, false,false> {                                          \
++    EIGEN_STRONG_INLINE PACKET_CPLX pmadd(const PACKET_REAL& x, const PACKET_CPLX& y, const PACKET_CPLX& c) const \
++    { return padd(c, pmul(x,y)); }                                                                                \
++    EIGEN_STRONG_INLINE PACKET_CPLX pmul(const PACKET_REAL& x, const PACKET_CPLX& y) const                        \
++    { return PACKET_CPLX(Eigen::internal::pmul<PACKET_REAL>(x, y.v)); }                                           \
++  };                                                                                                              \
++                                                                                                                  \
++  template<> struct conj_helper<PACKET_CPLX, PACKET_REAL, false,false> {                                          \
++    EIGEN_STRONG_INLINE PACKET_CPLX pmadd(const PACKET_CPLX& x, const PACKET_REAL& y, const PACKET_CPLX& c) const \
++    { return padd(c, pmul(x,y)); }                                                                                \
++    EIGEN_STRONG_INLINE PACKET_CPLX pmul(const PACKET_CPLX& x, const PACKET_REAL& y) const                        \
++    { return PACKET_CPLX(Eigen::internal::pmul<PACKET_REAL>(x.v, y)); }                                           \
++  };
++
++#endif // EIGEN_ARCH_CONJ_HELPER_H
+diff --git a/Eigen/src/Core/arch/NEON/Complex.h b/Eigen/src/Core/arch/NEON/Complex.h
+--- a/Eigen/src/Core/arch/NEON/Complex.h
++++ b/Eigen/src/Core/arch/NEON/Complex.h
+@@ -265,6 +265,8 @@
+   }
+ };
+ 
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cf,Packet4f)
++
+ template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b)
+ {
+   // TODO optimize it for NEON
+@@ -456,6 +458,8 @@
+   }
+ };
+ 
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet1cd,Packet2d)
++
+ template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
+ {
+   // TODO optimize it for NEON
+diff --git a/Eigen/src/Core/arch/SSE/Complex.h b/Eigen/src/Core/arch/SSE/Complex.h
+--- a/Eigen/src/Core/arch/SSE/Complex.h
++++ b/Eigen/src/Core/arch/SSE/Complex.h
+@@ -229,23 +229,7 @@
+   }
+ };
+ 
+-template<> struct conj_helper<Packet4f, Packet2cf, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet4f& x, const Packet2cf& y, const Packet2cf& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet2cf pmul(const Packet4f& x, const Packet2cf& y) const
+-  { return Packet2cf(Eigen::internal::pmul<Packet4f>(x, y.v)); }
+-};
+-
+-template<> struct conj_helper<Packet2cf, Packet4f, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet4f& y, const Packet2cf& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& x, const Packet4f& y) const
+-  { return Packet2cf(Eigen::internal::pmul<Packet4f>(x.v, y)); }
+-};
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cf,Packet4f)
+ 
+ template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b)
+ {
+@@ -430,23 +414,7 @@
+   }
+ };
+ 
+-template<> struct conj_helper<Packet2d, Packet1cd, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet2d& x, const Packet1cd& y, const Packet1cd& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet1cd pmul(const Packet2d& x, const Packet1cd& y) const
+-  { return Packet1cd(Eigen::internal::pmul<Packet2d>(x, y.v)); }
+-};
+-
+-template<> struct conj_helper<Packet1cd, Packet2d, false,false>
+-{
+-  EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet2d& y, const Packet1cd& c) const
+-  { return padd(c, pmul(x,y)); }
+-
+-  EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& x, const Packet2d& y) const
+-  { return Packet1cd(Eigen::internal::pmul<Packet2d>(x.v, y)); }
+-};
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet1cd,Packet2d)
+ 
+ template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
+ {
+diff --git a/Eigen/src/Core/arch/ZVector/Complex.h b/Eigen/src/Core/arch/ZVector/Complex.h
+--- a/Eigen/src/Core/arch/ZVector/Complex.h
++++ b/Eigen/src/Core/arch/ZVector/Complex.h
+@@ -336,6 +336,9 @@
+   }
+ };
+ 
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cf,Packet4f)
++EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet1cd,Packet2d)
++
+ template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
+ {
+   // TODO optimize it for AltiVec