Some Useful Functions (misc)

The following functions and macros are defined in <LEDA/basic.h>.

int	read_int(string s)	prints s and reads an integer from cin.
double	read_real(string s)	prints s and reads a real number from cin.
string	read_string(string s)	prints s and reads a line from cin.
char	read_char(string s)	prints s and reads a character from cin.
int	Yes(string s)	returns (read_char(s) == `y').
float	used_time()	returns the currently used cpu time in seconds.
float	used_time(float& T)	returns the cpu time used by the program from time T up to this moment and assigns the current time to T.
void	print_statistics()	prints a summary of the currently used memory.
void	leda_wait(float sec)	suspends execution for sec seconds.
T	leda_min(T a, T b)	returns the minimum of a and b.
T	leda_max(T a, T b)	returns the maximum of a and b.
void	leda_swap(T& a, T& b)	swaps values of a and b.