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-rw-r--r--unsupported/Eigen/MatrixFunctions1
1 files changed, 1 insertions, 0 deletions
diff --git a/unsupported/Eigen/MatrixFunctions b/unsupported/Eigen/MatrixFunctions
index 43955d352..15bf1a5e0 100644
--- a/unsupported/Eigen/MatrixFunctions
+++ b/unsupported/Eigen/MatrixFunctions
@@ -25,6 +25,7 @@
#ifndef EIGEN_MATRIX_FUNCTIONS
#define EIGEN_MATRIX_FUNCTIONS
+#include <cfloat>
#include <list>
#include <functional>
#include <iterator>