reactos/include/ddk/fltsafe.h

   1
   2 struct FLOATSAFE
   3 {
   4    KFLOATING_SAVE FloatSave;
   5    NTSTATUS ntStatus;
   6
   7    FLOATSAFE::FLOATSAFE(void)
   8    {
   9      ntStatus = KeSaveFloatingPointState(&FloatSave);
  10    }
  11
  12    FLOATSAFE::~FLOATSAFE(void)
  13    {
  14      if (NT_SUCCESS(ntStatus))
  15      {
  16         KeRestoreFloatingPointState(&FloatSave);
  17      }
  18    }
  19 };