26 lines
455 B
C
26 lines
455 B
C
#include <stdio.h>
|
|
|
|
int power(int m, int n);
|
|
|
|
/* test power function */
|
|
main()
|
|
{
|
|
int i;
|
|
|
|
for (i =0; i < 10; ++i)
|
|
printf("%d %d %d\n", i, power(2,i), power(-3,i));
|
|
return 0;
|
|
}
|
|
|
|
/* power: raise base to n-th power; n >= 0; version 2 */
|
|
/* arguments passed into funcs are copies of the value and
|
|
are not altering the passed in var; "by value" */
|
|
int power(int base, int n)
|
|
{
|
|
int p;
|
|
|
|
for (p = 1; n > 0; --n)
|
|
p = p * base;
|
|
return p;
|
|
}
|