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SWIFT
SWIFTsim
Commits
8200f3d1
Commit
8200f3d1
authored
Dec 14, 2016
by
James Willis
Browse files
Remove ci location from both ci and cj particle positions to move them to the local ci frame.
parent
430c4276
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/cache.h
View file @
8200f3d1
...
...
@@ -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
]
-
c
j
->
loc
[
0
];
cj_cache
->
y
[
i
]
=
cj
->
parts
[
i
].
x
[
1
]
-
c
j
->
loc
[
1
];
cj_cache
->
z
[
i
]
=
cj
->
parts
[
i
].
x
[
2
]
-
c
j
->
loc
[
2
];
cj_cache
->
x
[
i
]
=
cj
->
parts
[
i
].
x
[
0
]
-
c
i
->
loc
[
0
];
cj_cache
->
y
[
i
]
=
cj
->
parts
[
i
].
x
[
1
]
-
c
i
->
loc
[
1
];
cj_cache
->
z
[
i
]
=
cj
->
parts
[
i
].
x
[
2
]
-
c
i
->
loc
[
2
];
cj_cache
->
h
[
i
]
=
cj
->
parts
[
i
].
h
;
cj_cache
->
m
[
i
]
=
cj
->
parts
[
i
].
mass
;
...
...
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