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-rw-r--r--contrib/btree_gist/btree_float4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/btree_gist/btree_float4.c b/contrib/btree_gist/btree_float4.c
index 3cbd9a06dcc..84ca5eee501 100644
--- a/contrib/btree_gist/btree_float4.c
+++ b/contrib/btree_gist/btree_float4.c
@@ -102,7 +102,7 @@ float4_dist(PG_FUNCTION_ARGS)
if (unlikely(isinf(r)) && !isinf(a) && !isinf(b))
float_overflow_error();
- PG_RETURN_FLOAT4(Abs(r));
+ PG_RETURN_FLOAT4(fabsf(r));
}