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-rw-r--r--Eigen/Core4
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/Core b/Eigen/Core
index 1c709cad3..f85b22db7 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -337,12 +337,16 @@ inline static const char *SimdInstructionSetsInUse(void) {
#error Eigen2-support is only available up to version 3.2. Please go to "http://eigen.tuxfamily.org/index.php?title=Eigen2" for further information
#endif
+namespace Eigen {
+
// we use size_t frequently and we'll never remember to prepend it with std:: everytime just to
// ensure QNX/QCC support
using std::size_t;
// gcc 4.6.0 wants std:: for ptrdiff_t
using std::ptrdiff_t;
+}
+
/** \defgroup Core_Module Core module
* This is the main module of Eigen providing dense matrix and vector support
* (both fixed and dynamic size) with all the features corresponding to a BLAS library