Leonardo
7b349ea426
Changes on assert.h, foreach.h, test.h and timer.h Updated benchmarks, examples and tests Updated tests/Makefile for future Added list.c test Added CMC namespace to CONCATC and CONCATH on macro_collections.h
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/**
|
|
* iterator.c
|
|
*
|
|
* Creation Date: 23/05/2019
|
|
*
|
|
* Authors:
|
|
* Leonardo Vencovsky (https://github.com/LeoVen)
|
|
*
|
|
* Foreach macro example
|
|
*/
|
|
#include "cmc/hashmap.h"
|
|
#include "utl/foreach.h"
|
|
#include <stdio.h>
|
|
|
|
// Int hash function
|
|
size_t inthash(int t)
|
|
{
|
|
size_t a = t;
|
|
a += ~(a << 15);
|
|
a ^= (a >> 10);
|
|
a += (a << 3);
|
|
a ^= (a >> 6);
|
|
a += ~(a << 11);
|
|
a ^= (a >> 16);
|
|
return a;
|
|
}
|
|
|
|
// Int compare function
|
|
int intcmp(int a, int b)
|
|
{
|
|
return (a > b) - (a < b);
|
|
}
|
|
|
|
// Generate all the code for the hashmap
|
|
HASHMAP_GENERATE(hm, hashmap, /* FMOD */, int, double)
|
|
|
|
int main(void)
|
|
{
|
|
// Create a new hashmap with custom hash function
|
|
// The comparison function is only required to know if the key looked for was found
|
|
hashmap *map = hm_new(1000, 0.6, intcmp, inthash);
|
|
|
|
// Add keys mapped to a value
|
|
for (int i = 0; i < 5000; i++)
|
|
{
|
|
hm_insert(map, i, (double)i / 1000.0);
|
|
}
|
|
|
|
// Iterate over the HashMap without the FOR_EACH macro
|
|
for (hashmap_iter iter = map->it_start(map); !hm_iter_end(&iter); hm_iter_next(&iter))
|
|
{
|
|
printf("MAP[%4d] = %.3lf\n", hm_iter_key(&iter), hm_iter_value(&iter));
|
|
}
|
|
|
|
// Iterate over the HashMap using FOR_EACH macro
|
|
FOR_EACH(hm, hashmap, map, {
|
|
// Inside, the variable 'iter' will be available and from it you can access
|
|
// the key, value or index.
|
|
printf("MAP[%4d] = %.3lf\n", hm_iter_key(&iter), hm_iter_value(&iter));
|
|
});
|
|
|
|
hm_free(map);
|
|
|
|
return 0;
|
|
}
|