1#if (NTDDI_VERSION >= NTDDI_WINXP)
 2struct FLOATSAFE {
 3  KFLOATING_SAVE FloatSave;
 4  NTSTATUS ntStatus;
 5  FLOATSAFE::FLOATSAFE(void) {
 6    ntStatus = KeSaveFloatingPointState(&FloatSave);
 7  }
 8  FLOATSAFE::~FLOATSAFE(void) {
 9    if (NT_SUCCESS(ntStatus)) {
10      KeRestoreFloatingPointState(&FloatSave);
11    }
12  }
13};
14#endif