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Added some explicit casts in get_neighbor (MPI) to fix warnings raised when compiling with older gcc

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This commit is contained in:
jpekkila
2019-11-20 10:18:10 +02:00
parent d3260edd2a
commit 0b0ccd697a
1 changed files with 3 additions and 3 deletions
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6
src/core/device.cu
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@@ -799,7 +799,7 @@ mod(const int a, const int b)
return r < 0 ? r + b : r;
}
static int
static inline int
get_neighbor(const int3 offset)
{
// The number of nodes is n^3 = m = num_processes
@@ -810,8 +810,8 @@ get_neighbor(const int3 offset)
MPI_Comm_rank(MPI_COMM_WORLD, &pid);
MPI_Comm_size(MPI_COMM_WORLD, &num_processes);
const int n = floor(cbrt(num_processes));
ERRCHK_ALWAYS(ceil(cbrt(num_processes)) == n);
const int n = (int)floor(cbrt((float)num_processes));
ERRCHK_ALWAYS(ceil(cbrt((float)num_processes)) == n);
ERRCHK_ALWAYS(n * n * n == num_processes);
return mod(pid + offset.x, n) + offset.y * n + offset.z * n * n;