test code for Floating point arithmetic debugging

DGtal-team · Oct 16, 2018 · 716d6d6 · 716d6d6
1 parent 04377a4
commit 716d6d6
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diff --git a/src/DGtal/base/Common.cpp b/src/DGtal/base/Common.cpp
@@ -44,6 +44,17 @@
 **/
 namespace DGtal
 {
+
+#ifndef NDEBUG
+#ifdef __GNUG__
+  void beforeMain (void) __attribute__((constructor));
+  void beforeMain (void)
+  {
+      feenableexcept ( FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW );
+  }
+#endif
+#endif
+
   TraceWriterTerm traceWriterTerm(std::cerr);
   Trace trace(traceWriterTerm);
 }

diff --git a/src/DGtal/base/Common.h b/src/DGtal/base/Common.h
@@ -60,6 +60,11 @@
 #include <boost/concept_archetype.hpp>
 #include <boost/static_assert.hpp>
 
+#ifndef NDEBUG
+#include <fenv.h>
+#endif
+
+
 #ifdef _MSC_VER
 #define NOMINMAX
 #include <windows.h>