diff options
author | Gael Guennebaud <g.gael@free.fr> | 2012-10-30 16:27:52 +0100 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2012-10-30 16:27:52 +0100 |
commit | aa858cb43adf0ca33f8a2abd7ba5a0c1d86e8c06 (patch) | |
tree | 34d7111e1170f9283ba6da8377d703f8531ea6ab | |
parent | 90fcaf11cf2e2928527fdc9df0a49389000ce603 (diff) |
add first_multiple helper function
-rw-r--r-- | Eigen/src/Core/util/Memory.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h index 69148703e..b03bc3701 100644 --- a/Eigen/src/Core/util/Memory.h +++ b/Eigen/src/Core/util/Memory.h @@ -470,6 +470,13 @@ static inline Index first_aligned(const Scalar* array, Index size) } } +/** \internal Returns the smallest integer multiple of \a base and greater or equal to \a size + */ +template<typename Index> +inline static Index first_multiple(Index size, Index base) +{ + return ((size+base-1)/base)*base; +} // std::copy is much slower than memcpy, so let's introduce a smart_copy which // use memcpy on trivial types, i.e., on types that does not require an initialization ctor. |