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* Fix a compilation issue with large fixed-size matrices: the unrollers were always instanciated.

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* the unrolling limits are configurable at compile time.
This commit is contained in:
Gael Guennebaud
2008-03-05 13:18:19 +00:00
parent 861c6f4c9b
commit 8e0d548039
9 changed files with 76 additions and 45 deletions
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13
Eigen/src/Core/Dot.h
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@@ -5,12 +5,12 @@
//
// 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
// 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
// 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
@@ -18,7 +18,7 @@
// 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
// 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/>.
@@ -60,7 +60,7 @@ struct DotUnroller<Index, 0, Derived1, Derived2>
/** \returns the dot product of *this with other.
*
* \only_for_vectors
*
*
* \note If the scalar type is complex numbers, then this function returns the hermitian
* (sesquilinear) dot product, linear in the first variable and anti-linear in the
* second variable.
@@ -77,8 +77,9 @@ Scalar MatrixBase<Scalar, Derived>::dot(const MatrixBase<Scalar, OtherDerived>&
Scalar res;
if(EIGEN_UNROLLED_LOOPS
&& Traits::SizeAtCompileTime != Dynamic
&& Traits::SizeAtCompileTime <= 16)
DotUnroller<Traits::SizeAtCompileTime-1, Traits::SizeAtCompileTime,
&& Traits::SizeAtCompileTime <= EIGEN_UNROLLING_LIMIT_PRODUCT)
DotUnroller<Traits::SizeAtCompileTime-1,
Traits::SizeAtCompileTime <= EIGEN_UNROLLING_LIMIT_PRODUCT ? Traits::SizeAtCompileTime : Dynamic,
Derived, MatrixBase<Scalar, OtherDerived> >
::run(*static_cast<const Derived*>(this), other, res);
else