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-rw-r--r--manual/search.texi7
1 files changed, 5 insertions, 2 deletions
diff --git a/manual/search.texi b/manual/search.texi
index b43153a44b..f561ef9e34 100644
--- a/manual/search.texi
+++ b/manual/search.texi
@@ -39,9 +39,12 @@ numbers of type @code{double}:
@smallexample
int
-compare_doubles (const double *a, const double *b)
+compare_doubles (const void *a, const void *b)
@{
- return (int) (*a - *b);
+ const double *da = (const double *) a;
+ const double *db = (const double *) b;
+
+ return (*da > *db) - (*da < *db);
@}
@end smallexample