Wpt
QuadtreeNode::urand_pick()
{
Wvec vec1 = _v2 - _v1;
Wvec vec2 = _v3 - _v1;
double d1 = dorand(), d2 = dorand();
Wpt pt = _v1 + d1 * vec1 + d2 * vec2;
if (!contains(pt, 0.1))
pt = (_v2 + _v3) + (-pt);
return pt;
}
void prngpal(uint32_t uiCommand, tzi_encode_buffer_t *psInBuf, tzi_encode_buffer_t *psOutBuf, tz_return_t *puiRv)
{
int len = 10;
uint8_t *bytes[10];
*puiRv = TZ_SUCCESS;
fprintf(stderr, "test, %d\n", 5);
test();
dohmac();
dorand();
if (svc_utpm_rand_block(bytes, len) != 0) {
*puiRv = TZ_ERROR_GENERIC;
}
append_stderr(psOutBuf);
return;
}
inline
int
pick (ARRAY<QuadtreeNode*>& l)
{
int ret = -1;
double total_w = 0.0;
for (int i = 0; i < l.num(); i++) {
total_w += l[i]->get_weight();
}
double r = dorand() * total_w;
total_w = 0.0;
for (int i = 0; i < l.num(); i++) {
total_w += l[i]->get_weight();
if (total_w >= r) {
ret = i;
break;
}
}
return ret;
}
