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SWIFT
SWIFTsim
Commits
88cc703a
Commit
88cc703a
authored
Dec 01, 2017
by
Peter W. Draper
Committed by
Matthieu Schaller
Dec 02, 2017
Browse files
Protect against zero range of the repartitioning weights
parent
9396e6cc
Changes
1
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Inline
Side-by-side
src/partition.c
View file @
88cc703a
...
...
@@ -706,7 +706,10 @@ static void repart_edge_metis(int partweights, int bothweights, int timebins,
/* Make range the same in both weights systems. */
if
((
wmaxv
-
wminv
)
>
(
wmaxe
-
wmine
))
{
double
wscale
=
(
wmaxv
-
wminv
)
/
(
wmaxe
-
wmine
);
double
wscale
=
1
.
0
;
if
((
wmaxe
-
wmine
)
>
0
.
0
)
{
wscale
=
(
wmaxv
-
wminv
)
/
(
wmaxe
-
wmine
);
}
for
(
int
k
=
0
;
k
<
26
*
nr_cells
;
k
++
)
{
weights_e
[
k
]
=
(
weights_e
[
k
]
-
wmine
)
*
wscale
+
wminv
;
}
...
...
@@ -714,7 +717,10 @@ static void repart_edge_metis(int partweights, int bothweights, int timebins,
wmaxe
=
wmaxv
;
}
else
{
double
wscale
=
(
wmaxe
-
wmine
)
/
(
wmaxv
-
wminv
);
double
wscale
=
1
.
0
;
if
((
wmaxv
-
wminv
)
>
0
.
0
)
{
wscale
=
(
wmaxe
-
wmine
)
/
(
wmaxv
-
wminv
);
}
for
(
int
k
=
0
;
k
<
nr_cells
;
k
++
)
{
weights_v
[
k
]
=
(
weights_v
[
k
]
-
wminv
)
*
wscale
+
wmine
;
}
...
...
@@ -723,14 +729,20 @@ static void repart_edge_metis(int partweights, int bothweights, int timebins,
}
/* Scale to the METIS range. */
double
wscale
=
(
metis_maxweight
-
1
.
0
)
/
(
wmaxv
-
wminv
);
double
wscale
=
1
.
0
;
if
((
wmaxv
-
wminv
)
>
0
.
0
)
{
wscale
=
(
metis_maxweight
-
1
.
0
)
/
(
wmaxv
-
wminv
);
}
for
(
int
k
=
0
;
k
<
nr_cells
;
k
++
)
{
weights_v
[
k
]
=
(
weights_v
[
k
]
-
wminv
)
*
wscale
+
1
.
0
;
}
}
/* Scale to the METIS range. */
double
wscale
=
(
metis_maxweight
-
1
.
0
)
/
(
wmaxe
-
wmine
);
double
wscale
=
1
.
0
;
if
((
wmaxe
-
wmine
)
>
0
.
0
)
{
wscale
=
(
metis_maxweight
-
1
.
0
)
/
(
wmaxe
-
wmine
);
}
for
(
int
k
=
0
;
k
<
26
*
nr_cells
;
k
++
)
{
weights_e
[
k
]
=
(
weights_e
[
k
]
-
wmine
)
*
wscale
+
1
.
0
;
}
...
...
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