Member Functions

void restore(); 
 
void round_down(); 
void round_up(); 
void round_tonearest(); 
void round_towardzero();

The following functions manipulate the floating point rounding mode.

restore(): Restores the rounding mode to the initial mode set in the constructor.
round_down(): Set rounding mode to round down.
round_up(): Set rounding mode to round up.
round_tonearest(): Set rounding mode to nearest.
round_towardzero(): Set rounding mode towards zero.