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Add possibility to overwrite EIGEN_STRONG_INLINE.

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Gael Guennebaud 2017-12-14 14:47:38 +01:00
parent 9c3aed9d48
commit 546ab97d76
2 changed files with 6 additions and 0 deletions
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2
Eigen/src/Core/util/Macros.h
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@ -514,11 +514,13 @@
// EIGEN_STRONG_INLINE is a stronger version of the inline, using __forceinline on MSVC, // EIGEN_STRONG_INLINE is a stronger version of the inline, using __forceinline on MSVC,
// but it still doesn't use GCC's always_inline. This is useful in (common) situations where MSVC needs forceinline // but it still doesn't use GCC's always_inline. This is useful in (common) situations where MSVC needs forceinline
// but GCC is still doing fine with just inline. // but GCC is still doing fine with just inline.
#ifndef EIGEN_STRONG_INLINE
#if EIGEN_COMP_MSVC || EIGEN_COMP_ICC #if EIGEN_COMP_MSVC || EIGEN_COMP_ICC
#define EIGEN_STRONG_INLINE __forceinline #define EIGEN_STRONG_INLINE __forceinline
#else #else
#define EIGEN_STRONG_INLINE inline #define EIGEN_STRONG_INLINE inline
#endif #endif
#endif
// EIGEN_ALWAYS_INLINE is the stronget, it has the effect of making the function inline and adding every possible // EIGEN_ALWAYS_INLINE is the stronget, it has the effect of making the function inline and adding every possible
// attribute to maximize inlining. This should only be used when really necessary: in particular, // attribute to maximize inlining. This should only be used when really necessary: in particular,

4
doc/PreprocessorDirectives.dox
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@ -122,6 +122,10 @@ run time. However, these assertions do cost time and can thus be turned off.
this threshold raises a compile time assertion. Use 0 to set no limit. Default is 128 KB. this threshold raises a compile time assertion. Use 0 to set no limit. Default is 128 KB.
- \b \c EIGEN_NO_CUDA - disables CUDA support when defined. Might be useful in .cu files for which Eigen is used on the host only, - \b \c EIGEN_NO_CUDA - disables CUDA support when defined. Might be useful in .cu files for which Eigen is used on the host only,
and never called from device code. and never called from device code.
- \b \c EIGEN_STRONG_INLINE - This macro is used to qualify critical functions and methods that we expect the compiler to inline.
By default it is defined to \c __forceinline for MSVC and ICC, and to \c inline for other compilers. A tipical usage is to
define it to \c inline for MSVC users wanting faster compilation times, at the risk of performance degradations in some rare
cases for which MSVC inliner fails to do a good job.
- \c EIGEN_DONT_ALIGN - Deprecated, it is a synonym for \c EIGEN_MAX_ALIGN_BYTES=0. It disables alignment completely. %Eigen will not try to align its objects and does not expect that any objects passed to it are aligned. This will turn off vectorization if \b EIGEN_UNALIGNED_VECTORIZE=1. Not defined by default. - \c EIGEN_DONT_ALIGN - Deprecated, it is a synonym for \c EIGEN_MAX_ALIGN_BYTES=0. It disables alignment completely. %Eigen will not try to align its objects and does not expect that any objects passed to it are aligned. This will turn off vectorization if \b EIGEN_UNALIGNED_VECTORIZE=1. Not defined by default.