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Diffstat (limited to 'src/backend/access/gist/gistbuild.c')
-rw-r--r--src/backend/access/gist/gistbuild.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/access/gist/gistbuild.c b/src/backend/access/gist/gistbuild.c
index 83192385106..58f1ef221e1 100644
--- a/src/backend/access/gist/gistbuild.c
+++ b/src/backend/access/gist/gistbuild.c
@@ -14,6 +14,8 @@
*/
#include "postgres.h"
+#include <math.h>
+
#include "access/genam.h"
#include "access/gist_private.h"
#include "catalog/index.h"
@@ -420,7 +422,7 @@ calculatePagesPerBuffer(GISTBuildState *buildstate, int levelStep)
*/
pagesPerBuffer = 2 * pow(avgIndexTuplesPerPage, levelStep);
- return round(pagesPerBuffer);
+ return (int) rint(pagesPerBuffer);
}
/*