Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #include <stdio.h>
- #include <stdlib.h>
- #include <stdint.h>
- #include <stddef.h>
- #include <string.h>
- #include <time.h>
- #define _MIN_ -10
- #define _MAX_ 50
- #define _RANGE_ _MAX_-_MIN_
- int8_t min = _MIN_;
- int8_t max = _MAX_;
- uint16_t rangeArray[_RANGE_];
- static int8_t randInRangeInt8(int8_t min, int8_t max)
- {
- int8_t res = min + rand() / (RAND_MAX / (max - min + 1) + 1);
- return res;
- }
- int main()
- {
- printf("Random in range test!\n");
- memset(rangeArray, 0, _RANGE_);
- srand(time(NULL));
- uint32_t t;
- for(t = 0; t < 5000; t++)
- {
- int8_t res = randInRangeInt8(min, max);
- if((res < min) || (res > max))
- {
- printf("ERROR!!!! res=%d, iterator t=%d\r\n", res, t);
- return -1;
- }
- else
- {
- if(rangeArray[res-_MIN_] < 65535)
- rangeArray[res-_MIN_]++;
- }
- }
- printf("\r\n\r\n");
- for(t = 0; t < _RANGE_; t++)
- {
- printf("[%.3d]:%.3d => ", t+_MIN_, rangeArray[t]);
- int val = rangeArray[t];
- while(val > 0)
- {
- printf("*");
- val--;
- }
- printf("\r\n");
- }
- return 0;
- }
Add Comment
Please, Sign In to add comment