1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include <stddef.h>
#include "ts.h"
bool ts_test_trend_intensity_index( void )
{
uint_t k = 3;
fp_t const o[] = { 10, 11, 12, 11, 12, 10, 11, 13, 12, 14 };
fp_t const h[] = { 12, 13, 14, 12, 14, 11, 12, 15, 14, 16 };
fp_t const l[] = { 8, 9, 10, 9, 10, 9, 10, 11, 10, 12 };
fp_t const c[] = { 11, 12, 10, 11, 11, 10, 12, 14, 13, 15 };
fp_t const v[] = { 100, 200, 300, 400, 500, 300, 200, 400, 300, 500 };
fp_t const * const x[] = { o, h, l, c, v };
fp_t signed_sum = 0;
fp_t vol_sum = 0;
for( uint_t i = 1; i <= k; ++i )
{
signed_sum += ( c[i] > c[i - 1] ) ? v[i] : -v[i];
vol_sum += v[i];
}
fp_t e[10] = { 0 };
e[0] = ( vol_sum != 0 ) ? signed_sum / vol_sum : 0;
for( uint_t i = k + 1; i < 10; ++i )
{
fp_t cur_signed = ( c[i] > c[i - 1] ) ? v[i] : -v[i];
fp_t old_signed = ( c[i - k] > c[i - k - 1] ) ? v[i - k] : -v[i - k];
signed_sum += cur_signed - old_signed;
vol_sum += v[i] - v[i - k];
e[i - (k - 1)] = ( vol_sum != 0 ) ? signed_sum / vol_sum : 0;
}
fp_t const * const e_arr[1] = { e };
uint_t c_val = k;
return ts_test(ts_trend_intensity_index, ts_trend_intensity_index_offset, x, e_arr, 10, (ts_constant_t *)&c_val, &ts_trend_intensity_index_p);
}
|