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SWIFT
SWIFTsim
Commits
dc8ac647
Commit
dc8ac647
authored
Jul 13, 2017
by
Matthieu Schaller
Browse files
Improve error message displayed when too few cells are available for the top-level FFT grid.
parent
2731fd75
Changes
1
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src/space.c
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dc8ac647
...
...
@@ -314,21 +314,21 @@ void space_regrid(struct space *s, int verbose) {
"small,
\n
"
" - the (minimal) time-step is too large leading to particles with "
"predicted smoothing lengths too large for the box size,
\n
"
" - particle with velocities so large that they move by more than two "
" - particle
s
with velocities so large that they move by more than two "
"box sizes per time-step.
\n
"
);
/* Check if we have enough cells for gravity. */
/* Check if we have enough cells for
periodic
gravity. */
if
(
s
->
gravity
&&
s
->
periodic
&&
(
cdim
[
0
]
<
8
||
cdim
[
1
]
<
8
||
cdim
[
2
]
<
8
))
error
(
"Must have at least 8 cells in each spatial dimension when
gravity
"
"is switched on.
\n
This error is often caused by any of the "
"Must have at least 8 cells in each spatial dimension when
periodic
"
"
gravity
is switched on.
\n
This error is often caused by any of the "
"followings:
\n
"
" - too few particles to generate a sensible grid,
\n
"
" - the initial value of 'Scheduler:max_top_level_cells' is too "
"small,
\n
"
" - the (minimal) time-step is too large leading to particles with "
"predicted smoothing lengths too large for the box size,
\n
"
" - particle with velocities so large that they move by more than two "
" - particle
s
with velocities so large that they move by more than two "
"box sizes per time-step.
\n
"
);
/* In MPI-Land, changing the top-level cell size requires that the
...
...
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