VTK/Examples/Cxx/SimpleOperations/FloatingPointExceptions

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This example makes the illegal division by zero produce an error: 

Error: Floating point exception detected. Signal 8

rather than simply store "inf" in y.

FloatingPointExceptions.cxx

#include <vtkFloatingPointExceptions.h>
 
int main(int, char *[])
{
  // Disabled by default with gcc or visual studio.
  // Enabled by default by Borland CC.
  vtkFloatingPointExceptions::Enable(); 
 
  double x = 0.0;
  double y = 1.0/x; // floating-point exception
 
  std::cout << "x: " << x << " y: " << y << std::endl;
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
 
PROJECT(WidthHeight)
 
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
 
if (APPLE)
  add_executable(WidthHeight MACOSX_BUNDLE WidthHeight.cxx)
else()
  add_executable(WidthHeight WidthHeight.cxx)
endif()
 
if(VTK_LIBRARIES)
  target_link_libraries(WidthHeight ${VTK_LIBRARIES})
else()
  target_link_libraries(WidthHeight vtkHybrid vtkCommon)
endif()
Retrieved from "http://www.vtk.org/Wiki/VTK/Examples/Cxx/SimpleOperations/FloatingPointExceptions"
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