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-rw-r--r--doc/snippets/compile_snippet.cpp.in5
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/snippets/compile_snippet.cpp.in b/doc/snippets/compile_snippet.cpp.in
index fdae39bcf..d63f371a3 100644
--- a/doc/snippets/compile_snippet.cpp.in
+++ b/doc/snippets/compile_snippet.cpp.in
@@ -1,5 +1,8 @@
-#include <Eigen/Eigen>
+static bool eigen_did_assert = false;
+#define eigen_assert(X) if(!eigen_did_assert && !(X)){ std::cout << "### Assertion raised in " << __FILE__ << ":" << __LINE__ << ":\n" #X << "\n### The following would happen without assertions:\n"; eigen_did_assert = true;}
+
#include <iostream>
+#include <Eigen/Eigen>
#ifndef M_PI
#define M_PI 3.1415926535897932384626433832795