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Fix a warning about unused variables #53

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Fix a warning about unused variables #53

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7 changes: 7 additions & 0 deletions src/comm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -169,13 +169,16 @@ static void comm_init_check_(struct comm *c, MPI_Fint ce, uint np,
}
#define comm_init_check(c,ce,np) comm_init_check_(c,ce,np,__FILE__,__LINE__)

#define GS_UNUSED(x) (void)(x)

static void comm_dup_(struct comm *d, const struct comm *s,
const char *file, unsigned line)
{
d->id = s->id, d->np = s->np;
#ifdef GSLIB_USE_MPI
MPI_Comm_dup(s->c,&d->c);
GS_UNUSED(file);
GS_UNUSED(line);
#else
if(s->np!=1) fail(1,file,line,"%s not compiled with -DMPI\n",file);
#endif
Expand All @@ -189,12 +192,16 @@ static void comm_split_(const struct comm *s, int bin, int key, struct comm *d,
MPI_Comm_split(s->c, bin, key, &nc);
comm_init(d, nc);
MPI_Comm_free(&nc);
GS_UNUSED(file);
GS_UNUSED(line);
#else
if(s->np!=1) fail(1,file,line,"%s not compiled with -DMPI\n",file);
#endif
}
#define comm_split(s, bin, key, d) comm_split_(s, bin, key, d, __FILE__, __LINE__)

#undef GS_UNUSED

static void comm_free(struct comm *c)
{
#ifdef GSLIB_USE_MPI
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