Commit 8200f3d1 authored by James Willis's avatar James Willis
Browse files

Remove ci location from both ci and cj particle positions to move them to the local ci frame.

parent 430c4276
......@@ -64,6 +64,8 @@ struct cache {
int count;
};
struct cache cj_cache;
/* Secondary cache struct to hold a list of interactions between two
* particles.*/
struct c2_cache {
......@@ -170,7 +172,7 @@ __attribute__((always_inline)) INLINE void cache_read_particles(
__attribute__((always_inline)) INLINE void cache_read_two_cells(
const struct cell *const ci, const struct cell *const cj, struct cache *const ci_cache, struct cache *const cj_cache, const double *const shift) {
/* Shift the particles positions to a local frame so single precision can be
/* Shift the particles positions to a local frame (ci frame) so single precision can be
* used instead of double precision. Also shift the cell ci, particles positions due to BCs but leave cell cj. */
for (int i = 0; i < ci->count; i++) {
ci_cache->x[i] = ci->parts[i].x[0] - ci->loc[0] - shift[0];
......@@ -185,9 +187,9 @@ __attribute__((always_inline)) INLINE void cache_read_two_cells(
}
for (int i = 0; i < cj->count; i++) {
cj_cache->x[i] = cj->parts[i].x[0] - cj->loc[0];
cj_cache->y[i] = cj->parts[i].x[1] - cj->loc[1];
cj_cache->z[i] = cj->parts[i].x[2] - cj->loc[2];
cj_cache->x[i] = cj->parts[i].x[0] - ci->loc[0];
cj_cache->y[i] = cj->parts[i].x[1] - ci->loc[1];
cj_cache->z[i] = cj->parts[i].x[2] - ci->loc[2];
cj_cache->h[i] = cj->parts[i].h;
cj_cache->m[i] = cj->parts[i].mass;
......
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