C++
h2o
randfiles.tar_.gzRandom.h
#ifndef _RANDOM_H_ #define _RANDOM_H_ // File: Random.h // Version: 1.4 // class declaration class Random { public: Random(int low, int high); //constructor int get(void) const; private: int low; int diff; static void seed(void); static int seedcount; }; #endif
Random.cpp
Random.cpp
// File: Random.cpp
// Version: 1.4
#include
<
iostream
>
#include
<
cstdlib
>
#include
<
cstddef
>
#include
<
ctime
>
#include
"Random.h"
// class definition
int
Random
::
seedcount
=
0
;
void
Random
::
seed
(
void
)
{
if
(
seedcount
)
return
;
//we only want to seed once
seedcount
=
1
;
srand
((
int
)
time
(
0
));
//seeds the random number generator
}
Random
::
Random
(
int
l
,
int
h
)
:
low
(
l
),
diff
(
abs
(
h
-
l
)
+
1
)
{
seed
();
}
int
Random
::
get
(
void
)
const
{
return
int
((
float
)
rand
()
/
RAND_MAX
*
diff
+
low
);
}
