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diff --git a/doc/I14_PreprocessorDirectives.dox b/doc/I14_PreprocessorDirectives.dox new file mode 100644 index 000000000..3fd811cc7 --- /dev/null +++ b/doc/I14_PreprocessorDirectives.dox @@ -0,0 +1,16 @@ +namespace Eigen { + +/** \page TopicPreprocessorDirectives Preprocessor directives + +You can control some aspects of Eigen by defining the following preprocessor tokens them before including any of Eigen's headers. + - \b #EIGEN_NO_DEBUG disables Eigen assertions. Like NDEBUG but only affects Eigen's assertions. + - \b EIGEN_DONT_VECTORIZE disables explicit vectorization when defined. + - \b EIGEN_UNROLLING_LIMIT defines the maximal instruction counts to enable meta unrolling of loops. Set it to zero to disable unrolling. The default is 100. + - \b EIGEN_DEFAULT_TO_ROW_MAJOR the default storage order for matrices becomes row-major instead of column-major. + - \b EIGEN_TUNE_FOR_CPU_CACHE_SIZE represents the maximal size in Bytes of L2 blocks. Since several blocks have to stay concurently in L2 cache, this value should correspond to at most 1/4 of the size of L2 cache. + - \b EIGEN_NO_STATIC_ASSERT replaces compile time static assertions by runtime assertions + - \b EIGEN_MATRIXBASE_PLUGIN see \ref ExtendingMatrixBase + +*/ + +}
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