DisableFPE.h

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#if !defined(_WIN32) && !defined(__APPLE__)
#include <cfenv>
 
class DisableFPE
{
public:
    DisableFPE()
    {
        fegetenv(&fe_env);     // Store floating-point exception handling.
        fesetenv(FE_DFL_ENV);  // Set default environment effectively disabling
                               // exceptions.
    }
    DisableFPE() {…}
 
    ~DisableFPE()
    {
        fesetenv(&fe_env);  // Restore floating-point exception handling.
    }
    ~DisableFPE() {…}
 
private:
    fenv_t fe_env;
};
class DisableFPE {…};
 
#else
 
// No-op for Windows and Apple
class DisableFPE
{
};
 
#endif